The University of Queensland

Molecular breeding for complex adaptive traits: how integrating crop ecophysiology and modelling can enhance efficiency

Hammer, Graeme, Messina, Charlie, van Oosterom, Erik, Chapman, Scott, Singh, Vijaya, Borrell, Andrew, Jordan, David and Cooper, Mark (2016). Molecular breeding for complex adaptive traits: how integrating crop ecophysiology and modelling can enhance efficiency. In Xinyou Yin and Paul C. Struik (Ed.), Crop systems biology: narrowing the gaps between crop modelling and genetics (pp. 147-162) Cham, Switzerland: Springer International Publishing. doi:10.1007/978-3-319-20562-5_7

Modelling crop improvement in a GXEXM framework via gene-trail-phenotype relationships

Messina, C., Hammer, G., Dong, Z., Podlich, D. and Cooper, M. (2009). Modelling crop improvement in a GXEXM framework via gene-trail-phenotype relationships. In Sadras, V.O. and Calderini, D. (Ed.), Crop physiology: Applications for Genetic Improvement and Agronomy (pp. 235-265) Netherlands: Elsevier.

An intergrated systems approach to crop improvement

Hammer, G. L. and Jordan, D. R. (2007). An intergrated systems approach to crop improvement. In J.H.J. Spiertz, P.C. Struik and H.H. van Laar (Ed.), Scale and complexity in plant systems research : Gene-plant-crop relations (pp. 45-61) The Netherlands: Springer.

Drought adaptation in sorghum

Borrell, Andrew, Jordan, David, Mullet, John, Henzell, Bob and Hammer, Graeme (2006). Drought adaptation in sorghum. In Jean-Marcel Ribot (Ed.), Drought adaptation in cereals (pp. 335-399) New York, U.S.A.: The Haworth Press.

Linking biophysical and genetic models to integrate physiology, molecular biology and plant breeding

Chapman, S.C., Hammer, G. L., Podlich, D. and Cooper, M. (2002). Linking biophysical and genetic models to integrate physiology, molecular biology and plant breeding. In M.S. Kang (Ed.), Quantitative Genetics, Genomics and Plant Breeding 1 ed. (pp. 167-187) Wallingford, UK: CAB International.

Effects of seasonal climate variability and the use of climate forecasts on wheat supply in the United States, Australia and Canada

Hill, H.S.J., Butler, D., Fuller, S.W., Hammer, G. L., Holzworth, D., Love, A. H. A., Meinke, H., Mjelde, J.W., Park, J. and Rosenthal, W. (2001). Effects of seasonal climate variability and the use of climate forecasts on wheat supply in the United States, Australia and Canada. In C. Rosenzweig, K. Boote, S. Hollinger and A. Iglesias and J. Phillips (Ed.), Impacts of El Nino and Climate Viariability on Agriculture (pp. 101-123) Madison, Wisconsin, USA: American Society of Agronomy.

Modelling plant breeding programs

Cooper, M., Podlich, D., Jensen, N., Chapman, S. C. and Hammer, G. L. (1999). Modelling plant breeding programs. In Trends in Agronomy (pp. 33-64) Trivandrum, India: Research Trends.

Predicting tillering of diverse sorghum germplasm across environments

Alam, Mohammad Mobashwer, van Oosterom, Erik J., Cruickshank, Alan W., Jordan, David R. and Hammer, Graeme L. (2017) Predicting tillering of diverse sorghum germplasm across environments. Crop Science, 57 1-10. doi:10.2135/cropsci2016.04.0262

Yield trends under varying environmental conditions for sorghum and wheat across Australia

Potgieter, Andries B., Lobell, David B., Hammer, Graeme L., Jordan, David R., Davis, Peter and Brider, Jason (2016) Yield trends under varying environmental conditions for sorghum and wheat across Australia. Agricultural and Forest Meteorology, 228-229 276-285. doi:10.1016/j.agrformet.2016.07.004

Connecting biochemical photosynthesis models with crop models to support crop improvement

Wu, Alex, Song, Youhong, Van Oosterom, Erik J. and Hammer, Graeme L. (2016) Connecting biochemical photosynthesis models with crop models to support crop improvement. Frontiers in Plant Science, 7 OCTOBER2016: . doi:10.3389/fpls.2016.01518

Hybrid variation for root system efficiency in maize: potential links to drought adaptation

van Oosterom, Erik J., Yang, Zongjian, Zhang, Fenglu, Deifel, Kurt S., Cooper, Mark, Carlos D. Messina and Hammer, Graeme L. (2016) Hybrid variation for root system efficiency in maize: potential links to drought adaptation. Functional Plant Biology, 43 6: 502-511. doi:10.1071/FP15308

Genotypic differences in effects of short episodes of high-temperature stress during reproductive development in sorghum

Singh, Vijaya, Nguyen, Chuc T., Yang, Zongjian, Chapman, Scott C., van Oosterom, Erik J. and Hammer, Graeme L. (2016) Genotypic differences in effects of short episodes of high-temperature stress during reproductive development in sorghum. Crop Science, 56 4: 1561-1572. doi:10.2135/cropsci2015.09.0545

Soil water capture trends over 50 years of single-cross maize (Zea mays L.) breeding in the US corn-belt

Reyes, Andres, Messina, Carlos D., Hammer, Graeme L., Liu, Lu, van Oosterom, Erik, Lafitte, Renee and Cooper, Mark (2015) Soil water capture trends over 50 years of single-cross maize (Zea mays L.) breeding in the US corn-belt. Journal of Experimental Botany, 66 22: 7339-7346. doi:10.1093/jxb/erv430

The shifting influence of drought and heat stress for crops in northeast Australia

Lobell, David B., Hammer, Graeme L., Chenu, Karine, Zheng, Bangyou, McLean, Greg and Chapman, Scott C. (2015) The shifting influence of drought and heat stress for crops in northeast Australia. Global Change Biology, 21 11: 4115-4127. doi:10.1111/gcb.13022

Limited-transpiration trait may increase maize drought tolerance in the US corn belt

Messina, Carlos D., Sinclair, Thomas R., Hammer, Graeme L., Curan, Dian, Thompson, Jason, Oler, Zac, Gho, Carla and Cooper, Mark (2015) Limited-transpiration trait may increase maize drought tolerance in the US corn belt. Agronomy Journal, 107 6: 1978-1986. doi:10.2134/agronj15.0016

Sorghum genotypes differ in high temperature responses for seed set

Singh, Vijaya, Nguyen, Chuc T., van Oosterom, Erik J., Chapman, Scott C., Jordan, David R. and Hammer, Graeme L. (2015) Sorghum genotypes differ in high temperature responses for seed set. Field Crops Research, 171 32-40. doi:10.1016/j.fcr.2014.11.003

Drought adaptation of stay-green cereals is associated with canopy development, leaf anatomy, root growth and water uptake

Borrell, Andrew K., Mullet, John E., George-Jaeggli, Barbara, van Oosterom, Erik J., Hammer, Graeme L., Klein, Patricia E. and Jordan, David R. (2014) Drought adaptation of stay-green cereals is associated with canopy development, leaf anatomy, root growth and water uptake. Journal of Experimental Botany, 65 21: 6261-6263. doi:10.1093/jxb/eru232

Predicting maize phenology: intercomparison of functions for developmental response to temperature

Kumudini, S., Andrade, F. H., Boote, K. J., Brown, G. A., Dzotsi, K. A., Edmeades, G. O., Gocken, T., Goodwin, M., Halter, A. L., Hammer, G. L., Hatfield, J. L., Jones, J. W., Kemanian, A. R., Kim, S.-H., Kiniry, J., Lizaso, J. I., Nendel, C., Nielsen, R. L., Parent, B., Stӧckle, C. O., Tardieu, F., Thomison, P. R., Timlin, D. J., Vyn, T. J., Wallach, D., Yang, H. S. and Tollenaar, M. (2014) Predicting maize phenology: intercomparison of functions for developmental response to temperature. Agronomy Journal, 106 6: 2087-2097. doi:10.2134/agronj14.0200

QTL analysis in multiple sorghum populations facilitates the dissection of the genetic and physiological control of tillering

Alam, M. M., Mace, E. S., van Oosterom, E. J., Cruickshank, A., Hunt, C. H., Hammer G.L. and Jordan, D. R. (2014) QTL analysis in multiple sorghum populations facilitates the dissection of the genetic and physiological control of tillering. Theoretical and Applied Genetics, 127 10: 2253-2266. doi:10.1007/s00122-014-2377-9

Robust features of future climate change impacts on sorghum yields in West Africa

Sultan, B., Guan, K., Kouressy, M., Biasutti, M., Piani, C., Hammer, G. L., McLean, G. and Lobell, D. B. (2014) Robust features of future climate change impacts on sorghum yields in West Africa. Environmental Research Letters, 9 10: 1-13. doi:10.1088/1748-9326/9/10/104006

APSIM - evolution towards a new generation of agricultural systems simulation

Holzworth, Dean P., Huth, Neil I., deVoil, Peter G., Zurcher, Eric J., Herrmann, Neville I., McLean, Greg, Chenu, Karine, van Oosterom, Erik J., Snow, Val, Murphy, Chris, Moore, Andrew D., Brown, Hamish, Whish, Jeremy P. M., Verrall, Shaun, Fainges, Justin, Bell, Lindsay W., Peake, Allan S., Poulton, Perry L., Hochman, Zvi, Thorburn, Peter J., Gaydon, Donald S., Dalgliesh, Neal P., Rodriguez, Daniel, Cox, Howard, Chapman, Scott, Doherty, Alastair, Teixeira, Edmar, Sharp, Joanna, Cichota, Rogerio, Vogeler, Iris, Li, Frank Y., Wang, Enli, Hammer, Graeme L., Robertson, Michael J., Dimes, John P., Whitbread, Anthony M., Hunt, James, van Rees, Harm, McClelland, Tim, Carberry, Peter S., Hargreaves, John N. G., MacLeod, Neil, McDonald, Cam, Harsdorf, Justin, Wedgwood, Sara and Keating, Brian A. (2014) APSIM - evolution towards a new generation of agricultural systems simulation. Environmental Modelling and Software, 62 327-350. doi:10.1016/j.envsoft.2014.07.009

Crop design for specific adaptation in variable dryland production environments

Hammer, Graeme L., McLean, Greg, Chapman, Scott, Zheng, Bangyou, Doherty, Al, Harrison, Matthew T., van Oosterom, Erik and Jordan, David (2014) Crop design for specific adaptation in variable dryland production environments. Crop and Pasture Science, 65 7: 614-626.

Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns

Borrell, Andrew K., van Oosterom, Erik J., Mullet, John E., George-Jaeggli, Barbara, Jordan, David R., Klein, Patricia E. and Hammer, Graeme L. (2014) Stay-green alleles individually enhance grain yield in sorghum under drought by modifying canopy development and water uptake patterns. New Phytologist, 203 3: 817-830. doi:10.1111/nph.12869

A physiological framework to explain genetic and environmental regulation of tillering in sorghum

Alam, Mohammad Mobashwer, Hammer, Graeme L., Van Oosterom, Erik J., Cruickshank, Alan W., Hunt, Colleen H. and Jordan, David R. (2014) A physiological framework to explain genetic and environmental regulation of tillering in sorghum. New Phytologist, 203 1: 155-167. doi:10.1111/nph.12767

Greater sensitivity to drought accompanies maize yield increase in the U.S. Midwest

Lobell, David B., Roberts, Michael J., Schlenker, Wolfram, Braun, Noah, Little, Bertis B., Rejesus, Roderick M. and Hammer, Graeme L. (2014) Greater sensitivity to drought accompanies maize yield increase in the U.S. Midwest. Science, 344 6183: 516-519. doi:10.1126/science.1251423

CORRESPONDENCE: Temperature and drought effects on maize yield Reply

Lobell, David B., Hammer, Graeme L., McLean, Greg, Messina, Carlos, Roberts, Michael J. and Schlenker, Wolfram (2014) CORRESPONDENCE: Temperature and drought effects on maize yield Reply. Nature Climate Change, 4 4: 234-234. doi:10.1038/nclimate2140

Characterizing drought stress and trait influence on maize yield under current and future conditions

Harrison, Matthew T., Tardieu, Francois, Dong, Zhanshan, Messina, Carlos D. and Hammer, Graeme L. (2014) Characterizing drought stress and trait influence on maize yield under current and future conditions. Global Change Biology, 20 3: 867-878. doi:10.1111/gcb.12381

Foreword to ‘Interdrought IV – Improving Crop Adaptation to Water-limited Environments’

Hammer, Graeme, Belford, Robert and Bell, Richard (2014) Foreword to ‘Interdrought IV – Improving Crop Adaptation to Water-limited Environments’. Crop and Pasture Science, 65 7: i-i. doi:10.1071/CPv65n7_FO

Molecular breeding for complex adaptive traits - can crop ecophysiology and modelling ease the pain?

Hammer, Graeme (2014) Molecular breeding for complex adaptive traits - can crop ecophysiology and modelling ease the pain?. International Sugar Journal, 116 1381: 64-68.

Sorghum dwarfing genes can affect radiation capture and radiation use efficiency

George-Jaeggli, B., Jordan, D. R., van Oosterom, E. J., Broad, I. J. and Hammer, G. L. (2013) Sorghum dwarfing genes can affect radiation capture and radiation use efficiency. Field Crops Research, 149 283-290. doi:10.1016/j.fcr.2013.05.005

Physiological determinants of high yielding ultra-narrow row cotton: Canopy development and radiation use efficiency

Brodrick, R., Bange, M. P., Milroy, S. P. and Hammer, G. L. (2013) Physiological determinants of high yielding ultra-narrow row cotton: Canopy development and radiation use efficiency. Field Crops Research, 148 86-94. doi:10.1016/j.fcr.2012.05.008

QTL for root angle and number in a population developed from bread wheats (Triticum aestivum) with contrasting adaptation to water-limited environments

Christopher, Jack, Christopher, Mandy, Jennings, Raeleen, Jones, Shirley, Fletcher, Susan, Borrell, Andrew, Manschadi, Ahmad M., Jordan, David, Mace, Emma and Hammer, Graeme (2013) QTL for root angle and number in a population developed from bread wheats (Triticum aestivum) with contrasting adaptation to water-limited environments. Theoretical and Applied Genetics, 126 6: 1563-1574. doi:10.1007/s00122-013-2074-0

The critical role of extreme heat for maize production in the United States

Lobell, David B., Hammer, Graeme L., McLean, Greg, Messina, Carlos, Roberts, Michael J. and Schlenker, Wolfram (2013) The critical role of extreme heat for maize production in the United States. Nature Climate Change, 3 5: 497-501. doi:10.1038/NCLIMATE1832

Modelling temperature, photoperiod and vernalization responses of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) to predict flowering time

Cave, Robyn L., Hammer, Graeme L., McLean, Greg, Birch, Colin J., Erwin, John E. and Johnston, Margaret E. (2013) Modelling temperature, photoperiod and vernalization responses of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae) to predict flowering time. Annals of Botany, 111 4: 629-639. doi:10.1093/aob/mct028

Genetic variability in high temperature effects on seed-set in sorghum

Nguyen, Chuc T., Singh, Vijaya, van Oosterom, Erik J., Chapman, Scott C., Jordan, David R. and Hammer, Graeme L. (2013) Genetic variability in high temperature effects on seed-set in sorghum. Functional Plant Biology, 40 5: 439-448. doi:10.1071/FP12264

Drought stress characterization of post-rainy season (rabi) sorghum in India

Kholova, Jana, McLean, Greg, Vadez, Vincent, Craufurd, Peter and Hammer, Graeme L. (2013) Drought stress characterization of post-rainy season (rabi) sorghum in India. Field Crops Research, 141 38-46. doi:10.1016/j.fcr.2012.10.020

Spatial impact of projected changes in rainfall and temperature on wheat yields in Australia

Potgieter, A., Meinke, H., Doherty, A., Sadras, V. O., Hammer, G., Crimp, S. and Rodriguez, D. (2013) Spatial impact of projected changes in rainfall and temperature on wheat yields in Australia. Climatic Change, 117 1-2: 163-179. doi:10.1007/s10584-012-0543-0

Designing crops for new challenges

Tardieu, Francois and Hammer, Graeme (2012) Designing crops for new challenges. European Journal of Agronomy, 42 1-2. doi:10.1016/j.eja.2012.05.006

Genetic control of nodal root angle in sorghum and its implications on water extraction

Singh, Vijaya, van Oosterom, Erik J., Jordan, David R. and Hammer, Graeme L. (2012) Genetic control of nodal root angle in sorghum and its implications on water extraction. European Journal of Agronomy, 42 3-10. doi:10.1016/j.eja.2012.04.006

Physiological determinants of high yielding ultra-narrow row cotton: biomass accumulation and partitioning

Brodrick, R., Bange, M. P., Milroy, S. P. and Hammer, G. L. (2012) Physiological determinants of high yielding ultra-narrow row cotton: biomass accumulation and partitioning. Field Crops Research, 134 122-129. doi:10.1016/j.fcr.2012.05.007

Temperature effect on transpiration response of maize plants to vapour pressure deficit

Yang, Zongjian, Sinclair, Thomas R., Zhu, Maggie, Messina, Carlos D., Cooper, Mark and Hammer, Graeme L. (2012) Temperature effect on transpiration response of maize plants to vapour pressure deficit. Environmental and Experimental Botany, 78 157-162. doi:10.1016/j.envexpbot.2011.12.034

QTL for nodal root angle in sorghum (Sorghum bicolor L. Moench) co-locate with QTL for traits associated with drought adaptation

Mace, E.S., Singh, V., Van Oosterom, E.J., Hammer, G.L., Hunt, C.H. and Jordan, D.R. (2012) QTL for nodal root angle in sorghum (Sorghum bicolor L. Moench) co-locate with QTL for traits associated with drought adaptation. Theoretical and Applied Genetics, 124 1: 97-109. doi:10.1007/s00122-011-1690-9

Decrease in sorghum grain yield due to the dw3 dwarfing gene is caused by reduction in shoot biomass

George-Jaeggli, B., Jordan, D. R., van Oosterom, E. J. and Hammer, G. L. (2011) Decrease in sorghum grain yield due to the dw3 dwarfing gene is caused by reduction in shoot biomass. Field Crops Research, 124 2: 231-239. doi:10.1016/j.fcr.2011.07.005

Does increased leaf appearance rate enhance adaptation to postanthesis drought stress in sorghum?

van Oosterom, E. J., Borrell, A. K., Deifel, K. S. and Hammer, G. L. (2011) Does increased leaf appearance rate enhance adaptation to postanthesis drought stress in sorghum?. Crop Science, 51 6: 2728-2740. doi:10.2135/cropsci2011.01.0031

Genetic variability and control of nodal root angle in sorghum

Singh, Vijaya, van Oosterom, Erik J., Jordan, David R., Hunt, Colleen H. and Hammer, Graeme L. (2011) Genetic variability and control of nodal root angle in sorghum. Crop Science, 51 5: 2011-2020. doi:10.2135/cropsci2011.01.0038

Estimating winter crop area across seasons and regions using time-sequential MODIS imagery

Potgieter, Andries, Apan, Armando, Hammer, Graeme and Dunn, Peter (2011) Estimating winter crop area across seasons and regions using time-sequential MODIS imagery. International Journal of Remote Sensing, 32 15: 4281-4310. doi:10.1080/01431161.2010.486415

Juvenility and flowering of Brunonia australis (Goodeniaceae) and Calandrinia sp (Portulacaceae) in relation to vernalization and daylength

Cave, Robyn L., Birch, Colin J., Hammer, Graeme L., Erwin, John E. and Johnston, Margaret E. (2011) Juvenility and flowering of Brunonia australis (Goodeniaceae) and Calandrinia sp (Portulacaceae) in relation to vernalization and daylength. Annals of Botany, 108 1: 215-220. doi:10.1093/aob/mcr116

Cardinal Temperatures and Thermal Time for Seed Germination of Brunonia australis (Goodeniaceae) and Calandrinia sp (Portulacaceae)

Cave, Robyn L., Birch, Colin J., Hammer, Graeme L., Erwin, John E. and Johnston, Margaret E. (2011) Cardinal Temperatures and Thermal Time for Seed Germination of Brunonia australis (Goodeniaceae) and Calandrinia sp (Portulacaceae). HortScience, 46 5: 753-758.

Environment characterization as an aid to wheat improvement: Interpreting genotype-environment interactions by modelling water-deficit patterns in north-eastern Australia

Chenu, K., Cooper, M., Hammer, G. L., Mathews, K. L., Dreccer, M. F. and Chapman, S. C. (2011) Environment characterization as an aid to wheat improvement: Interpreting genotype-environment interactions by modelling water-deficit patterns in north-eastern Australia. Journal of Experimental Botany, 62 6: 1743-1755. doi:10.1093/jxb/erq459

Effects of nitrogen supply on canopy development of maize and sunflower

Massignam, A. M., Chapman, S. C., Hammer, G. L. and Fukai, S. (2011) Effects of nitrogen supply on canopy development of maize and sunflower. Crop and Pasture Science, 62 12: 1045-1055. doi:10.1071/CP11165

Stay-green quantitative trait loci's effects on water extraction, transpiration efficiency and seed yield depend on recipient parent background

Vadez, Vincent, Deshpande, Santosh P., Kholova, Jana, Hammer, Graeme L., Borrell, Andrew K., Talwar, Harvinder S. and Hash, C. Thomas (2011) Stay-green quantitative trait loci's effects on water extraction, transpiration efficiency and seed yield depend on recipient parent background. Functional Plant Biology, 38 7: 553-566. doi:10.1071/FP11073

Morphological and architectural development of root systems in sorghum and maize

Singh, V, van Oosterom, EJ, Jordan, DR, Messina, CD, Cooper, M and Hammer, GL (2010) Morphological and architectural development of root systems in sorghum and maize. Plant and Soil, 333 1-2: 287-299. doi:10.1007/s11104-010-0343-0

Early-season crop area estimates for winter crops in NE Australia using MODIS satellite imagery

Potgieter, A. B., Apan, A., Hammer, G. and Dunn, P. (2010) Early-season crop area estimates for winter crops in NE Australia using MODIS satellite imagery. Isprs Journal of Photogrammetry And Remote Sensing, 65 4: 380-387. doi:10.1016/j.isprsjprs.2010.04.004

Regulation of tillering in sorghum: Environmental effects

Kim, Hae Koo, van Oosterom, Erik, Dingkuhn, Michael, Luquet, Delphine and Hammer, Graeme (2010) Regulation of tillering in sorghum: Environmental effects. Annals of Botany, 106 1: 57-67. doi:10.1093/aob/mcq079

Regulation of tillering in sorghum: Genotypic effects

Kim, Hae Koo, Luquet, Delphine, van Oosterom, Erik, Dingkuhn, Michael and Hammer, Graeme (2010) Regulation of tillering in sorghum: Genotypic effects. Annals of Botany, 106 1: 69-78. doi:10.1093/aob/mcq080

Adapting APSIM to model the physiology and genetics of complex adaptive traits in field crops

Hammer, Graeme L., van Oosterom, Erik, McLean, Greg, Chapman, Scott C., Broad, Ian, Harland, Peter and Muchow, Russell C. (2010) Adapting APSIM to model the physiology and genetics of complex adaptive traits in field crops. Journal of Experimental Botany, 61 8: 2185-2202. doi:10.1093/jxb/erq095

Yield and maturity of ultra-narrow row cotton in high input production systems

Brodrick, Rose, Bange, Michael P., Milroy, Stephen P. and Hammer, Graeme. L. (2010) Yield and maturity of ultra-narrow row cotton in high input production systems. Agronomy Journal, 102 3: 843-848. doi:10.2134/agronj2009.0473

Genetic variation in potential kernel size affects kernel growth and yield of Sorghum

Yang, ZJ, van Oosterom, EJ, Jordan, DR, Doherty, A and Hammer, GL (2010) Genetic variation in potential kernel size affects kernel growth and yield of Sorghum. Crop Science, 50 2: 685-695. doi:10.2135/cropsci2009.06.0294

Functional dynamics of the nitrogen balance of sorghum. II. Grain filling period

Van Oosterom, EJ, Chapman, SC, Borrell, AK, Broad, IJ and Hammer, GL (2010) Functional dynamics of the nitrogen balance of sorghum. II. Grain filling period. Field Crops Research, 115 1: 29-38. doi:10.1016/j.fcr.2009.09.019

Functional dynamics of the nitrogen balance of sorghum: I. N demand of vegetative plant parts

Van Oosterom, EJ, Borrell, AK, Broad, IJ and Hammer, GL (2010) Functional dynamics of the nitrogen balance of sorghum: I. N demand of vegetative plant parts. Field Crops Research, 115 1: 19-28. doi:10.1016/j.fcr.2009.09.018

Floral ontogeny of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae)

Cave, Robyn L., Birch, Colin J., Hammer, Graeme L., Erwin, John E. and Johnston, Margaret E. (2010) Floral ontogeny of Brunonia australis (Goodeniaceae) and Calandrinia sp. (Portulacaceae). Australian Journal of Botany, 58 1: 61-69. doi:10.1071/BT09211

Simulating the yield impacts of organ-level quantitative trait loci associated with drought response in maize: A "gene-to-phenotype" modeling approach

Chenu, Karine, Chapman, Scott C., Tardieu, Francois, McLean, Greg, Welcker, Claude and Hammer, Graeme L. (2009) Simulating the yield impacts of organ-level quantitative trait loci associated with drought response in maize: A "gene-to-phenotype" modeling approach. Genetics, 183 4: 1507-1523. doi:10.1534/genetics.109.105429

Physiological determinants of maize and sunflower grain yield as affected by nitrogen supply

Massignam, A.M., Chapman, S.C., Hammer, G.L. and Fukai, S. (2009) Physiological determinants of maize and sunflower grain yield as affected by nitrogen supply. Field Crops Research, 113 3: 256-267. doi:10.1016/j.fcr.2009.06.001

Modeling QTL for complex traits: detection and context for plant breeding

Cooper, Mark, van Eeuwijk, Fred A., Hammer, Graeme L., Podlich, Dean W. and Messina, Carlos (2009) Modeling QTL for complex traits: detection and context for plant breeding. Current Opinion In Plant Biology, 12 2: 231-240. doi:10.1016/j.pbi.2009.01.006

Modelling environmental effects on phenology and canopy development of diverse sorghum genotypes

Kumar, S.R., Hammer, G.L., Broad, I., Harland, P. and McLean, G. (2009) Modelling environmental effects on phenology and canopy development of diverse sorghum genotypes. Field Crops Research, 111 1-2: 157-165. doi:10.1016/j.fcr.2008.11.010

Pre-anthesis ovary development determines genotypic differences in potential kernel weight in sorghum

Yang, ZJ, van Oosterom, EJ, Jordan, DR and Hammer, GL (2009) Pre-anthesis ovary development determines genotypic differences in potential kernel weight in sorghum. Journal of Experimental Botany, 60 4: 1399-1408. doi:10.1093/jxb/erp019

Can changes in canopy and/or root system architecture explain historical maize yield trends in the US corn belt?

Hammer, G.L., Dong, Z.S., McLean, G., Doherty, A., Messina, C., Schusler, J., Zinselmeier, C., Paszkiewicz, S. and Cooper, M. (2009) Can changes in canopy and/or root system architecture explain historical maize yield trends in the US corn belt?. Crop Science, 49 1: 299-312. doi:10.2135/cropsci2008.03.0152

Determination of grain number in sorghum

Van Oosterom, E. J. and Hammer, G. L. (2008) Determination of grain number in sorghum. Field Crops Research, 108 3: 259-268. doi:10.1016/j.fcr.2008.06.001

Developmental and physiological traits associated with high yield and stay-green phenotype in wheat

ChristopherJT, ManschadiAM, HammerGL, BorrellAK and JennyCFegent (2008) Developmental and physiological traits associated with high yield and stay-green phenotype in wheat. Australian Journal of Agicultural Research, 59 4: 354-364. doi:10.1071/AR07193

Short-term responses of leaf growth rate to water deficit scale up to whole-plant and crop levels: an integrated modelling approach in maize

Chenu, Karine, Chapman, Scott C., Hammer, Graeme L., McLean, Gregg, Salah, Halim Ben Haj, Tardieu, Francois and Mott, Keith (2008) Short-term responses of leaf growth rate to water deficit scale up to whole-plant and crop levels: an integrated modelling approach in maize. Plant, Cell and Environment, 31 3: 378-391. doi:10.1111/j.1365-3040.2007.01772.x

Genotypic variation in seedling root architectural traits and implications for drought adaptation in wheat (Triticum aestivum L.)

ManschadiAhmadM, HammerGraemeL, Christopher, John T., deVoilPeter and HansLambers (2008) Genotypic variation in seedling root architectural traits and implications for drought adaptation in wheat (Triticum aestivum L.). Plant and Soil, 303 1-2: 115-129. doi:10.1007/s11104-007-9492-1

Reliability of production of quick to medium maturity maize in areas of variable rainfall in north-east Australia

Birch, C J., Stephen, K, McLean, G., Doherty, A, Hammer, G. L. and Robertson, M.J. (2008) Reliability of production of quick to medium maturity maize in areas of variable rainfall in north-east Australia. Australian Journal of Experimental Agriculture, 48 3: 326-334. doi:10.1071/EA06104

Estimating crop area using seasonal time series of Enhanced Vegetation Index from MODIS satellite imagery

Potgieter, A. B., ApanA, DunnP and HammerGL (2007) Estimating crop area using seasonal time series of Enhanced Vegetation Index from MODIS satellite imagery. Australian Journal of Agricultural Research, 58 4: 316-325. doi:10.1071/AR06279

Models for navigating biological complexity in breeding improved crop plants

Hammer, G. L., Cooper, M., Tardieu, F., Welch, S., Walsh, B., van Eeuwijk, A., Chapman, S. C. and Podlich, D. (2006) Models for navigating biological complexity in breeding improved crop plants. Trends in Plant Science, 11 12: 587-593. doi:10.1016/j.tplants.2006.10.006

Modeling chickpea growth and development: Phenological development

Soltani, A, Hammer, GL, Torabi, B, Robertson, MJ and Zeinali, E (2006) Modeling chickpea growth and development: Phenological development. Field Crops Research, 99 1: 1-13. doi:10.1016/j.fcr.2006.02.004

Exploring profit - Sustainability trade-offs in cropping systems using evolutionary algorithms

deVoil, P., Rossing, W. A. H. and Hammer, G. L. (2006) Exploring profit - Sustainability trade-offs in cropping systems using evolutionary algorithms. Environmental Modelling and Software, 21 9: 1368-1374. doi:10.1016/j.envsoft.2005.04.016

Pathways to prosperity: breaking the yield barrier in sorghum

Hammer, G. L. (2006) Pathways to prosperity: breaking the yield barrier in sorghum. Agricultural Science, 19 2: 16-22.

The role of root architectural traits in adaptation of wheat to water-limited environments

Manschadi, A. M., Christopher, J., Devoil, P. and Hammer, G. L. (2006) The role of root architectural traits in adaptation of wheat to water-limited environments. Functional Plant Biology, 33 9: 823-837. doi:10.1071/FP06055

A simple regional-scale model for forecasting sorghum yield across North-Eastern Australia

Potgieter, A. B., Hammer, G. L., Doherty, A. and de Voil, P. (2005) A simple regional-scale model for forecasting sorghum yield across North-Eastern Australia. Agricultural And Forest Meteorology, 132 1-2: 143-153. doi:10.1016/j.agrformet.2005.07.009

Modelling the effects of row configuration on sorghum yield reliability in north-eastern Australia

Whish, J., Butler, G., Castor, M., Cawthray, S., Broad, I., Carberry, P., Hammer, G., McLean, G., Routley, R. and Yeates, S. (2005) Modelling the effects of row configuration on sorghum yield reliability in north-eastern Australia. Australian Journal Of Agricultural Research, 56 1: 11-23. doi:10.1071/AR04128

Potential yield and water-use effficiency benefits in sorghum from limited maximum transpiration rate

Sinclair, Thomas R., Hammer, Graeme L. and Van Oosterom, Erik J. (2005) Potential yield and water-use effficiency benefits in sorghum from limited maximum transpiration rate. Functional Plant Biology, 32 10: 945-952. doi:10.1071/FP05047

Preface to Special Issue: Complex traits and plant breeding - can we understand the complexities of gene-to-phenotype relationships and use such knowledge to enhance plant breeding outcomes?

Cooper, M. and Hammer, G. L. (2005) Preface to Special Issue: Complex traits and plant breeding - can we understand the complexities of gene-to-phenotype relationships and use such knowledge to enhance plant breeding outcomes?. Australian Journal Of Agricultural Research, 56 9: 869-872. doi:10.1071/AR05151

Rainfall variability at decadal and longer time scales: signal or noise?

Meinke, H., deVoil, P., Hammer, G. L., Power, S., Allan, R., Stone, R. C., Folland, C. and Potgieter, A. (2005) Rainfall variability at decadal and longer time scales: signal or noise?. Journal of Climate, 18 1: 89-96. doi:10.1175/JCLI-3263.1

Three putative types of El Nino revealed by spatial variability in impact on Australian wheat yield

Potgieter, A. B., Hammer, G. L., Meinke, H., Stone, R. C. and Goddard, L. (2005) Three putative types of El Nino revealed by spatial variability in impact on Australian wheat yield. Journal Of Climate, 18 10: 1566-1574. doi:10.1175/JCLI3349.1

Trait physiology and crop modelling as a framework to link phenotypic complexity to underlying genetic systems

Hammer, G. L., Chapman, S. C., Van Oosterom, E. J. and Podlich, D. W. (2005) Trait physiology and crop modelling as a framework to link phenotypic complexity to underlying genetic systems. Australian Journal of Agricultural Research, 56 9: 947-960. doi:10.1071/AR05157

On systems thinking, systems biology and the in Silico Plant

Hammer, Graeme L., Sinclair, Thomas R., Chapman, Scott C. and van Oosterom, Erik (2004) On systems thinking, systems biology and the in Silico Plant. Plant Physiology, 134 3: 909-911. doi:10.1104/pp.103.034827

Implications of seasonal climate forecasts on world wheat trade: a stochastic, dynamic analysis

Hill, HSJ, Mjelde, JW, Love, HA, Rubas, DJ, Fuller, SW, Rosenthal, W and Hammer, G (2004) Implications of seasonal climate forecasts on world wheat trade: a stochastic, dynamic analysis. Canadian Journal of Agricultural Economics-revue Canadienne D Agroeconomie, 52 3: 289-312. doi:10.1111/j.1744-7976.2004.tb00371.x

An overview of APSIM, a model designed for farming systems simulation

Keating, BA, Carberry, PS, Hammer, GL, Probert, ME, Robertson, MJ, Holzworth, D, Huth, NI, Hargreaves, JNG, Meinke, H, Hochman, Z, McLean, G, Verburg, K, Snow, V, Dimes, JP, Silburn, M, Wang, E, Brown, S, Bristow, KL, Asseng, S, Chapman, S, McCown, RL, Freebairn, DM and Smith, CJ (2003) An overview of APSIM, a model designed for farming systems simulation. European Journal of Agronomy, 18 3-4: 267-288. doi:10.1016/S1161-0301(02)00108-9

Evaluating plant breeding strategies by simulating gene action and dryland environment effects

Chapman, S, Cooper, M, Podlich, D and Hammer, G (2003) Evaluating plant breeding strategies by simulating gene action and dryland environment effects. Agronomy Journal, 95 1: 99-113.

Genotype and environment effects on dynamics of harvest index during grain filling in sorghum

Hammer, GL and Broad, IJ (2003) Genotype and environment effects on dynamics of harvest index during grain filling in sorghum. Agronomy Journal, 95 1: 199-206.

On measuring quality of a probabilistic commodity forecast for a system that incorporates seasonal climate forecasts

Potgieter, AB, Everingham, YL and Hammer, GL (2003) On measuring quality of a probabilistic commodity forecast for a system that incorporates seasonal climate forecasts. International Journal of Climatology, 23 10: 1195-1210. doi:10.1002/joc.932

Simulation supplements field studies to determine no-till dryland corn population recommendations for semiarid western Nebraska

Lyon, DJ, Hammer, GL, McLean, GB and Blumenthal, JM (2003) Simulation supplements field studies to determine no-till dryland corn population recommendations for semiarid western Nebraska. Agronomy Journal, 95 4: 884-891.

Development of a generic crop model template in the cropping system model APSIM

Wang, E, Robertson, MJ, Hammer, GL, Carberry, PS, Holzworth, D, Meinke, H, Chapman, SC, Hargreaves, JNG, Huth, NI and McLean, G (2002) Development of a generic crop model template in the cropping system model APSIM. European Journal of Agronomy, 18 1-2: 121-140. doi:10.1016/S1161-0301(02)00100-4

Future contributions of crop modelling - from heuristics and supporting decision making to understanding genetic regulation and aiding crop improvement

Hammer, GL, Kropff, MJ, Sinclair, TR and Porter, JR (2002) Future contributions of crop modelling - from heuristics and supporting decision making to understanding genetic regulation and aiding crop improvement. European Journal of Agronomy, 18 1-2: 15-31. doi:10.1016/S1161-0301(02)00093-X

Infusing the use of seasonal climate forecasting into crop management practice in North East Australia using discussion support software

Nelson, RA, Holzworth, DP, Hammer, GL and Hayman, PT (2002) Infusing the use of seasonal climate forecasting into crop management practice in North East Australia using discussion support software. Agricultural Systems, 74 3: 393-414. doi:10.1016/S0308-521X(02)00047-1

Predicting plant leaf area production: shoot assimilate accumulation and partitioning, and leaf area ratio, are stable for a wide range of sorghum population densities

Lafarge, TA and Hammer, GL (2002) Predicting plant leaf area production: shoot assimilate accumulation and partitioning, and leaf area ratio, are stable for a wide range of sorghum population densities. Field Crops Research, 77 2-3: 137-151. doi:10.1016/S0378-4290(02)00085-0

Spatial and temporal patterns in Australian wheat yield and their relationship with ENSO

Potgieter, AB, Hammer, GL and Butler, D (2002) Spatial and temporal patterns in Australian wheat yield and their relationship with ENSO. Australian Journal of Agricultural Research, 53 1: 77-89. doi:10.1071/AR01002

The GP problem: quantifying gene-to-phenotype relationships

Cooper, Mark, Chapman, Scott C., Podlich, Dean W. and Hammer, Graeme L. (2002) The GP problem: quantifying gene-to-phenotype relationships. Silico Biology, 2 151-164.

Tillering in grain sorghum over a wide range of population densities: Identification of a common hierarchy for tiller emergence, leaf area development and fertility

Lafarge, TA, Broad, IJ and Hammer, GL (2002) Tillering in grain sorghum over a wide range of population densities: Identification of a common hierarchy for tiller emergence, leaf area development and fertility. Annals of Botany, 90 1: 87-98. doi:10.1093/aob/mcf152

Tillering in grain sorghum over a wide range of population densities: Modelling dynamics of tiller fertility

Lafarge, T. A. and Hammer, G. L. (2002) Tillering in grain sorghum over a wide range of population densities: Modelling dynamics of tiller fertility. Annals of Botany, 90 1: 99-110. doi:10.1093/aob/mcf153

Using crop simulation to generate genotype by environment interaction effects for sorghum in water-limited environments

Chapman, S. C., Cooper, M. and Hammer, G. L. (2002) Using crop simulation to generate genotype by environment interaction effects for sorghum in water-limited environments. Australian Journal of Agricultural Research, 53 4: 379-389. doi:10.1071/AR01070

Advances in application of climate prediction in agriculture

Hammer, GL, Hansen, JW, Phillips, JG, Mjelde, JW, Hill, H, Love, A and Potgieter, A (2001) Advances in application of climate prediction in agriculture. Agricultural Systems, 70 2-3: 515-553. doi:10.1016/S0308-521X(01)00058-0

Highlights of drought policy and related science in Australia and the USA

White, DH, Wilhite, DA, O'Meagher, B and Hammer, GL (2001) Highlights of drought policy and related science in Australia and the USA. Water International, 26 3: 349-357.

Increasing profits and reducing risks in crop production using participatory systems simulation approaches

Meinke, H, Baethgen, WE, Carberry, PS, Donatelli, M, Hammer, GL, Selvaraju, R and Stockle, CO (2001) Increasing profits and reducing risks in crop production using participatory systems simulation approaches. Agricultural Systems, 70 2-3: 493-513. doi:10.1016/S0308-521X(01)00057-9

Stay-green: A consequence of the balance between supply and demand for nitrogen during grain filling?

Borrell, A., Hammer, G. and Van Oosterom, E. (2001) Stay-green: A consequence of the balance between supply and demand for nitrogen during grain filling?. Annals of Applied Biology, 138 1: 91-95. doi:10.1111/j.1744-7348.2001.tb00088.x

Does maintaining green leaf area in sorghum improve yield under drought? I. Leaf growth and senescence

Borrell, AK, Hammer, GL and Douglas, ACL (2000) Does maintaining green leaf area in sorghum improve yield under drought? I. Leaf growth and senescence. Crop Science, 40 4: 1026-1037.

Does maintaining green leaf area in sorghum improve yield under drought? II. Dry matter production and yield

Borrell, AK, Hammer, GL and Henzell, RG (2000) Does maintaining green leaf area in sorghum improve yield under drought? II. Dry matter production and yield. Crop Science, 40 4: 1037-1048.

Genotype by environment interactions affecting grain sorghum. II. Frequencies of different seasonal patterns of drought stress are related to location effects on hybrid yields

Chapman, SC, Cooper, M, Hammer, GL and Butler, DG (2000) Genotype by environment interactions affecting grain sorghum. II. Frequencies of different seasonal patterns of drought stress are related to location effects on hybrid yields. Australian Journal of Agricultural Research, 51 2: 209-221. doi:10.1071/AR99021

Genotype by environment interactions affecting grain sorghum. III. Temporal sequences and spatial patterns in the target population of environments

Chapman, SC, Hammer, GL, Butler, DG and Cooper, M (2000) Genotype by environment interactions affecting grain sorghum. III. Temporal sequences and spatial patterns in the target population of environments. Australian Journal of Agricultural Research, 51 2: 223-233. doi:10.1071/AR99022

Improving Estimates of Individual Leaf Area of Sunflower

Bange, MP, Hammer, GL, Milroy, SP and Rickert, KG (2000) Improving Estimates of Individual Leaf Area of Sunflower. Agronomy Journal, 92 4: 761-765.

Nitrogen dynamics and the physiological basis of stay-green in sorghum

Borrell, AK and Hammer, GL (2000) Nitrogen dynamics and the physiological basis of stay-green in sorghum. Crop Science, 40 5: 1295-1307.

Adaptation of sorghum: characterisation of genotypic flowering responses to temperature and photoperiod

Craufurd, PQ, Mahalakshmi, V, Bidinger, FR, Mukuru, SZ, Chantereau, J, Omanga, PA, Qi, A, Roberts, EH, Ellis, RH, Summerfield, RJ and Hammer, GL (1999) Adaptation of sorghum: characterisation of genotypic flowering responses to temperature and photoperiod. Theoretical And Applied Genetics, 99 5: 900-911. doi:10.1007/s001220051311

Dry matter accumulation and distribution in five cultivars of maize (Zea mays): Relationships and procedures for use in crop modelling

Birch, CJ, Hammer, GL and Rickert, KG (1999) Dry matter accumulation and distribution in five cultivars of maize (Zea mays): Relationships and procedures for use in crop modelling. Australian Journal of Agricultural Research, 50 4: 513-527.

Genotype and water limitation effects on transpiration efficiency in sorghum

Mortlock, M. Y. and Hammer, G. L. (1999) Genotype and water limitation effects on transpiration efficiency in sorghum. Journal of Crop Production, 2 2: 265-286.

Predicting regional grain sorghum production in Australia using spatial data and crop simulation modelling

Rosenthal, W. D., Hammer, G.L. and Butler, D. (1998) Predicting regional grain sorghum production in Australia using spatial data and crop simulation modelling. Agricultural and Forest Meteorology, 91 3-4: 263-274. doi:10.1016/S0168-1923(98)00073-2

Correlation between carbon isotope discrimination and transpiration efficiency in lines of the C-4 species Sorghum bicolor in the glasshouse and the field

Henderson, S, von Caemmerer, S, Farquhar, GD, Wade, L and Hammer, G (1998) Correlation between carbon isotope discrimination and transpiration efficiency in lines of the C-4 species Sorghum bicolor in the glasshouse and the field. Australian Journal of Plant Physiology, 25 1: 111-123.

Improved methods for predicting individual leaf area and leaf senescence in maize (Zea mays)

Birch, CJ, Hammer, GL and Rickert, KG (1998) Improved methods for predicting individual leaf area and leaf senescence in maize (Zea mays). Australian Journal of Agricultural Research, 49 2: 249-262.

Improving wheat simulation capabilities in Australia from a cropping systems perspective - II. Testing simulation capabilities of wheat growth

Meinke, H, Rabbinge, R, Hammer, GL, van Keulen, H and Jamieson, PD (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective - II. Testing simulation capabilities of wheat growth. European Journal of Agronomy, 8 1-2: 83-99. doi:10.1016/S1161-0301(97)00016-6

Improving wheat simulation capabilities in Australia from a cropping systems perspective - III. The integrated wheat model (I_WHEAT)

Meinke, H, Hammer, GL, van Keulen, H and Rabbinge, R (1998) Improving wheat simulation capabilities in Australia from a cropping systems perspective - III. The integrated wheat model (I_WHEAT). European Journal of Agronomy, 8 1-2: 101-116. doi:10.1016/S1161-0301(97)00015-4

Modelling leaf production and crop development in maize (Zea mays L.) after tassel initiation under diverse conditions of temperature and photoperiod

Birch, C. J., Rickert, K. G. and Hammer, G. L. (1998) Modelling leaf production and crop development in maize (Zea mays L.) after tassel initiation under diverse conditions of temperature and photoperiod. Field Crops Research, 58 2: 81-95. doi:10.1016/S0378-4290(98)00087-2

Radiation use efficiency increases when the diffuse component of incident radiation is enhanced under shade

Healey, KD, Rickert, KG, Hammer, GL and Bange, MP (1998) Radiation use efficiency increases when the diffuse component of incident radiation is enhanced under shade. Australian Journal of Agricultural Research, 49 4: 665-672. doi:10.1071/A97100

Temperature and Photoperiod Sensitivity of Development in Five Cultivars of Maize (Zea mays L.) from Emergence to Tassel Initiation

Birch, C. J., Hammer, G. L. and Rickert, K. G. (1998) Temperature and Photoperiod Sensitivity of Development in Five Cultivars of Maize (Zea mays L.) from Emergence to Tassel Initiation. Field Crops Research, 55 1-2: 93-107. doi:10.1016/S0378-4290(97)00062-2

Temperature and sowing date affect the linear increase of sunflower harvest index

Bange, MP, Hammer, GL and Rickert, KG (1998) Temperature and sowing date affect the linear increase of sunflower harvest index. Agronomy Journal, 90 3: 324-328.

Effect of radiation environment on radiation use efficiency and growth of sunflower

Bange, MP, Hammer, GL and Rickert, KG (1997) Effect of radiation environment on radiation use efficiency and growth of sunflower. Crop Science, 37 4: 1208-1214.

Effect of specific leaf nitrogen on radiation use efficiency and growth of sunflower

Bange, MP, Hammer, GL and Rickert, KG (1997) Effect of specific leaf nitrogen on radiation use efficiency and growth of sunflower. Crop Science, 37 4: 1201-1208.

Environmental control of potential yield of sunflower in the subtropics

Bange, MP, Hammer, GL and Rickert, KG (1997) Environmental control of potential yield of sunflower in the subtropics. Australian Journal of Agricultural Research, 48 2: 231-240. doi:10.1071/A96079

Forecasting regional crop production using SOI phases: an example for the Australian peanut industry

Meinke, H and Hammer, GL (1997) Forecasting regional crop production using SOI phases: an example for the Australian peanut industry. Australian Journal of Agricultural Research, 48 6: 789-793. doi:10.1071/A96155

Improving wheat simulation capabilities in Australia from a cropping systems perspective: water and nitrogen effects on spring wheat in a semi-arid environment

Meinke, H, Hammer, GL, vanKeulen, H, Rabbinge, R and Keating, BA (1997) Improving wheat simulation capabilities in Australia from a cropping systems perspective: water and nitrogen effects on spring wheat in a semi-arid environment. European Journal of Agronomy, 7 1-3: 75-88. doi:10.1016/S1161-0301(97)00032-4

On the extent of genetic variation for transpiration efficiency in sorghum

Hammer, GL, Farquhar, GD and Broad, IJ (1997) On the extent of genetic variation for transpiration efficiency in sorghum. Australian Journal of Agricultural Research, 48 5: 649-655. doi:10.1071/A96111

Prediction of global rainfall probabilities using phases of the southern oscillation index

Stone, Roger C., Hammer, Graeme L. and Marcussen, Torben (1996) Prediction of global rainfall probabilities using phases of the southern oscillation index. Nature, 384 6606: 252-255. doi:10.1038/384252a0

Frost in northeast Australia: trends and influences of phases of the southern oscillation

Stone, Roger, Nicholls, Neville and Hammer, Graeme (1996) Frost in northeast Australia: trends and influences of phases of the southern oscillation. Journal of Climate, 9 8: 1896-1909. doi:10.1175/1520-0442(1996)009<1896:FINATA>2.0.CO;2

SOI phases and climatic risk to peanut production: A case study for northern Australia

Meinke, H., Stone, R.C. and Hammer, G.L. (1996) SOI phases and climatic risk to peanut production: A case study for northern Australia. International Journal of Climatology, 16 7: 783-789. doi:10.1002/(SICI)1097-0088(199607)16:7<783::AID-JOC58>3.0.CO;2-D

APSIM: A novel software system for model development, model testing and simulation in agricultural systems research

McCown, R.L., Hammer, G.L., Hargreaves, J.N.G., Holzworth, D.P. and Freebairn, D.M. (1996) APSIM: A novel software system for model development, model testing and simulation in agricultural systems research. Agricultural Systems, 50 3: 255-271. doi:10.1016/0308-521X(94)00055-V

Assessing planting opportunities in semiarid subtropical environments

Vanderlip, R.L., Hammer, G.L. and Muchow, R.C. (1996) Assessing planting opportunities in semiarid subtropical environments. Agricultural Systems, 51 1: 97-112. doi:10.1016/0308-521X(95)00015-W

Development and use of a barley crop simulation model to evaluate production management strategies in north-eastern Australia

Goyne, P.J., Hammer, G.L., Meinke, H., Milroy, S.P. and Hare, J.M. (1996) Development and use of a barley crop simulation model to evaluate production management strategies in north-eastern Australia. Australian Journal of Agricultural Research, 47 7: 997-1015. doi:10.1071/AR9960997

Risk attitude, planting conditions and the value of seasonal forecasts to a dryland wheat grower

Marshall, GR, Parton, KA and Hammer, GL (1996) Risk attitude, planting conditions and the value of seasonal forecasts to a dryland wheat grower. Australian Journal of Agricultural Economics, 40 3: 211-233.

The role of physiological understanding in plant breeding; From a breeding perspective

Jackson, P, Robertson, M, Cooper, M and Hammer, G (1996) The role of physiological understanding in plant breeding; From a breeding perspective. Field Crops Research, 49 1: 11-37. doi:10.1016/S0378-4290(96)01012-X

The value of skill in seasonal climate forecasting to wheat crop management in a region with high climatic variability

Hammer, G.L., Holzworth, D.P. and Stone, R. (1996) The value of skill in seasonal climate forecasting to wheat crop management in a region with high climatic variability. Australian Journal of Agricultural Research, 47 5: 717-737. doi:10.1071/AR9960717

A peanut simulation model: I. Model development and testing

Hammer, Graeme L., Sinclair, Thomas R., Boote, Kenneth J., Wright, Graeme C., Meinke, Holger and Bell, Mike J. (1995) A peanut simulation model: I. Model development and testing. Agronomy Journal, 87 6: 1085-1093.

A peanut simulation model: II. Assessing regional production potential

Meinke, H. and Hammer, G. L. (1995) A peanut simulation model: II. Assessing regional production potential. Agronomy Journal, 87 6: 1093-1099.

Climatic risk to peanut production: A simulation study for Northern Australia

Meinke, H. and Hammer, G. L. (1995) Climatic risk to peanut production: A simulation study for Northern Australia. Australian Journal of Experimental Agriculture, 35 6: 777-780. doi:10.1071/EA9950777

Growth and yield response of barley and chickpea to water stress under three environments in southeast Queensland. II. Root growth and soil water extraction pattern

Thomas, Fukai, S. and Hammer, G.L. (1995) Growth and yield response of barley and chickpea to water stress under three environments in southeast Queensland. II. Root growth and soil water extraction pattern. Australian Journal of Agricultural Research, 46 1: 35-48.

Assessing climatic risk to sorghum production in water-limited subtropical environments. I.Development and testing of a simulation model

Hammer, G.L. and Muchow, R C (1994) Assessing climatic risk to sorghum production in water-limited subtropical environments. I.Development and testing of a simulation model. Field Crops Research, 36 3: 221-234. doi:10.1016/0378-4290(94)90114-7

Assessing climatic risk to sorghum production in water-limited subtropical environments. II.Effects of planting date, soil water at planting, and cultivar phenology

Muchow, R.C., Hammer, G.L. and Vanderlip, R.L. (1994) Assessing climatic risk to sorghum production in water-limited subtropical environments. II.Effects of planting date, soil water at planting, and cultivar phenology. Field Crops Research, 36 3: 235-246. doi:10.1016/0378-4290(94)90115-5

A theoretical analysis of nitrogen and radiation effects on radiation use efficiency in peanut [Arachis hypogaea]

Hammer, G. L. and Wright, G. C. (1994) A theoretical analysis of nitrogen and radiation effects on radiation use efficiency in peanut [Arachis hypogaea]. Australian Journal of Agricultural Research, 45 3: 575-589. doi:10.1071/AR9940575

Distribution of nitrogen and radiation use efficiency in peanut canopies [Arachis hypogaea; Queensland]

Wright, G. C. and Hammer, G. L. (1994) Distribution of nitrogen and radiation use efficiency in peanut canopies [Arachis hypogaea; Queensland]. Australian Journal of Agricultural Research, 45 3: 565-574. doi:10.1071/AR9940565

Predicting leaf area development of sunflower

Chapman, S.C., Hammer, G.L. and Palta, J.A. (1993) Predicting leaf area development of sunflower. Field Crops Research, 34 1: 101-112. doi:10.1016/0378-4290(93)90114-3

A sunflower simulation model: I. Model development

Chapman, S.C., Hammer, G.L. and Meinke, H. (1993) A sunflower simulation model: I. Model development. Agronomy Journal, 85 3: 725-735.

A sunflower simulation model: II. Simulating production risks in a variable sub-tropical environment

Meinke, Holger, Hammer, Graeme L. and Chapman, Scott C. (1993) A sunflower simulation model: II. Simulating production risks in a variable sub-tropical environment. Agronomy Journal, 85 3: 735-742.

Leaf nitrogen content and minimum temperature interactions affect radiation-use efficiency in peanut

Wright, Graeme C., Bell, Michael J. and Hammer, Graeme L. (1993) Leaf nitrogen content and minimum temperature interactions affect radiation-use efficiency in peanut. Crop Science, 33 3: 476-481.

Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. I. Whole plant level

Hammer, G.L., Carberry, P.S. and Muchow, R.C. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. I. Whole plant level. Field Crops Research, 33 3: 293-310. doi:10.1016/0378-4290(93)90087-4

Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. II. Individual leaf level

Carberry, P.S., Muchow, R.C. and Hammer, G.L. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. II. Individual leaf level. Field Crops Research, 33 3: 311-328. doi:10.1016/0378-4290(93)90088-5

Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. III. Senescence and prediction of green leaf area

Carberry, P.S., Hammer, G.L. and Muchow, R.C. (1993) Modelling genotypic and environmental control of leaf area dynamics in grain sorghum. III. Senescence and prediction of green leaf area. Field Crops Research, 33 3: 329-351. doi:10.1016/0378-4290(93)90089-6

Modelling root growth of grain sorghum using the CERES approach

Robertson, M.J., Fukai, S., Hammer, G.L. and Ludlow, M.M. (1993) Modelling root growth of grain sorghum using the CERES approach. Field Crops Research, 33 1-2: 113-130. doi:10.1016/0378-4290(93)90097-7

Water extraction by grain sorghum in a sub-humid environment. I. Analysis of the water extraction pattern

Robertson, M. J., Fukai, S. and Hammer, G. L. (1993) Water extraction by grain sorghum in a sub-humid environment. I. Analysis of the water extraction pattern. Field Crops Research, 33 1-2: 81-97. doi:10.1016/0378-4290(93)90095-5

Water extraction by grain sorghum in a sub-humid environment. II. Extraction in relation to root growth

Robertson, M.J., Fukai, S. and Hammer, G.L. (1993) Water extraction by grain sorghum in a sub-humid environment. II. Extraction in relation to root growth. Field Crops Research, 33 1-2: 99-112. doi:10.1016/0378-4290(93)90096-6

Prediction of sweet corn phenology in subtropical environments

Olsen, J.K., McMahon, C.R. and Hammer, G.L. (1993) Prediction of sweet corn phenology in subtropical environments. Agronomy Journal, 85 2: 410-415.

Potential soil water extraction by sunflower on a range of soils

Meinke, H., Hammer, G.L. and Want, P. (1993) Potential soil water extraction by sunflower on a range of soils. Field Crops Research, 32 1-2: 59-81. doi:10.1016/0378-4290(93)90021-E

Response of germination to temperature amongst diverse sorghum hybrids

Wade, L.J., Hammer, G.L. and Davey, M.A. (1993) Response of germination to temperature amongst diverse sorghum hybrids. Field Crops Research, 31 3-4: 295-308. doi:10.1016/0378-4290(93)90068-X

Night temperature affects radiation-use efficiency in peanut

Bell, M. J., Wright, G. C. and Hammer, G. L. (1992) Night temperature affects radiation-use efficiency in peanut. Crop Science, 32 6: 1329-1335.

Variation in crop radiation-use efficiency with increased diffuse radiation

Sinclair, Thomas R., Shiraiwa, Tatsuhiko and Hammer, Graeme L. (1992) Variation in crop radiation-use efficiency with increased diffuse radiation. Crop Science, 32 5: 1281-1284.

Genotype and Water Limitation Effects on Phenology, Growth, and Transpiration Efficiency in Grain Sorghum

Donatelli, M., Hammer, G. L. and Vanderlip, R. L. (1992) Genotype and Water Limitation Effects on Phenology, Growth, and Transpiration Efficiency in Grain Sorghum. Crop Science, 32 3: 781-786.

Impact of soil erosion on production in cropping systems .I. Development and validation of a simulation model

Littleboy, M., Silburn, D. M., Freebairn, D. M., Woodruff, D. R., Hammer, G. L. and Leslie, J. K. (1992) Impact of soil erosion on production in cropping systems .I. Development and validation of a simulation model. Australian Journal of Soil Research, 30 5: 757-774. doi:10.1071/SR9920757

Impact of soil erosion on production in cropping systems. II. Simulation of production and erosion risks for a wheat cropping system

Littleboy, M., Freebairn, D. M., Hammer, G. L. and Silburn, D. M. (1992) Impact of soil erosion on production in cropping systems. II. Simulation of production and erosion risks for a wheat cropping system. Australian Journal of Soil Research, 30 5: 775-788. doi:10.1071/SR9920775

Improving genotypic adaptation in crops - a role for breeders, physiologists and modellers

Shorter, R., Lawn, R. J. and Hammer, G. L. (1991) Improving genotypic adaptation in crops - a role for breeders, physiologists and modellers. Experimental Agriculture, 27 2: 155-175. doi:10.1017/S0014479700018810

Carbon isotope discrimination varies genetically in C4 species

Hubick, Kerry T., Hammer, Graeme L., Farquhar, Graham D., Wade, Len J., von Caemmerer, Susanne and Henderson, Sally A. (1990) Carbon isotope discrimination varies genetically in C4 species. Plant Physiology, 92 2: 534-537. doi:10.1104/pp.92.2.534

Genotype-by-environment interaction in grain sorghum I. Effects of temperature on radiation use efficiency

Hammer, G. L. and Vanderlip, R. L. (1989) Genotype-by-environment interaction in grain sorghum I. Effects of temperature on radiation use efficiency. Crop Science, 29 2: 370-376.

Genotype-by-environment interaction in grain sorghum. II. Effects of temperature and photoperiod on ontogeny

Hammer, G. L., Vanderlip, R. L., Gibson, G., Wade, L. J., Henzell, R. G., Younger, D. R., Warren, J. and Dale, A. B. (1989) Genotype-by-environment interaction in grain sorghum. II. Effects of temperature and photoperiod on ontogeny. Crop Science, 29 2: 376-384.

Genotype-by-environment interaction in grain sorghum. III. Modeling the impact in field environments

Hammer, G. L. and Vanderlip, R. L. (1989) Genotype-by-environment interaction in grain sorghum. III. Modeling the impact in field environments. Crop Science, 29 2: 385-391.

Leaf area production and senescence of diverse grain sorghum hybrids

Hammer, G. L., Hill, K. and Schrodter, G. N. (1987) Leaf area production and senescence of diverse grain sorghum hybrids. Field Crops Research, 17 3-4: 305-317. doi:10.1016/0378-4290(87)90042-6

Effects of Planting Time and Harvest Age on Cassava (Manihot esculenta) in Northern Australia. II. Crop Growth and Yield in a Seasonally-Dry Environment

Hobman, F. R., Hammer, G. L. and Shepherd, R. K. (1987) Effects of Planting Time and Harvest Age on Cassava (Manihot esculenta) in Northern Australia. II. Crop Growth and Yield in a Seasonally-Dry Environment. Experimental Agriculture, 23 4: 415-424. doi:10.1017/S0014479700017373

Effects of climatic variability and possible climatic change on reliability of wheat cropping-A modelling approach

Hammer, G.L., Woodruff, D.R. and Robinson, J.B. (1987) Effects of climatic variability and possible climatic change on reliability of wheat cropping-A modelling approach. Agricultural and Forest Meteorology, 41 1-2: 123-142. doi:10.1016/0168-1923(87)90074-8

Effects of planting time and harvest age on cassava (Manihot esculenta) in Northern Australia. I. Crop growth and yield in moist environments

Hammer, G. L., Hobman, F. R. and Shepard, R. K. (1987) Effects of planting time and harvest age on cassava (Manihot esculenta) in Northern Australia. I. Crop growth and yield in moist environments. Experimental Agriculture, 23 4: 401-414. doi:10.1017/S0014479700017361

A simulation model of the growth of the cassava crop and its use to estimate cassava productivity in northern Australia

Fukai, S and Hammer, G. L. (1987) A simulation model of the growth of the cassava crop and its use to estimate cassava productivity in northern Australia. Agricultural Systems, 23 4: 237-257. doi:10.1016/0308-521X(87)90046-1

Phenology of sunflower cultivars. I. Classification of responses

Goyne, P.J., Hammer, G.L. and Woodruff, D.R. (1982) Phenology of sunflower cultivars. I. Classification of responses. Australian Journal of Agricultural Research, 33 2: 243-250. doi:10.1071/AR9820243

Phenology of sunflower cultivars. II. Controlled-environment studies of temperature and photoperiod effects

Goyne, P.J. and Hammer, G.L. (1982) Phenology of sunflower cultivars. II. Controlled-environment studies of temperature and photoperiod effects. Australian Journal of Agricultural Research, 33 2: 251-261. doi:10.1071/AR9820251

Phenology of sunflower cultivars. III. Models for prediction in field environments

Hammer, G.L., Goyne, P.J. and Woodruff, D.R. (1982) Phenology of sunflower cultivars. III. Models for prediction in field environments. Australian Journal of Agricultural Research, 33 2: 263-274. doi:10.1071/AR9820263

Estimation of cassava leaf area by a simple, non-destructive field technique

Hammer, G.L. (1980) Estimation of cassava leaf area by a simple, non-destructive field technique. Journal of the Australian Institute of Agricultural Science, 46 1: 61-62.

Frost and minimum temperature probabilities (in Queensland, Australia)

Hammer, G. L. and Rosenthal, K. M. (1978) Frost and minimum temperature probabilities (in Queensland, Australia). Queensland Agricultural Journal, 104 2: 177-201.

Integrating crop physiology and modelling with genetic improvement

Hammer, G., Chapman, S., Van Oosterom, E., Borrell, A., McLean, G. and Jordan, D. (2016). Integrating crop physiology and modelling with genetic improvement. In: International Crop Modelling Symposium, Berlin, Germany, (). 15-17 March 2016.

Integration of crop models into breeding programs

Chapman, S., Zheng, B., dreccer, F., Hammer, G., Jordan, D. and Chenu, K. (2016). Integration of crop models into breeding programs. In: International Crop Modelling Symposium, Berlin, Germany, (). 15-17 March 2016.

Modelling the effect of plant water use traits on yield and stay-green expression in sorghum

Kholova, Jana, Murugesan, Tharanya, Kaliamoorthy, Sivasakthi, Malayee, Srikanth, Baddam, Rekha, Hammer, Graeme L., McLean, Greg, Deshpande, Santosh, Hash, C. Thomas, Craufurd, Peter Q. and Vadez, Vincent (2014). Modelling the effect of plant water use traits on yield and stay-green expression in sorghum. In: Interdrought IV. Interdrought IV Conference, Perth, WA Australia, (1019-1034). 2–6 September 2013. doi:10.1071/FP13355

The stay-green trait in cereals: integrating from cell to whole plant

Borrell, v, Van Oosterom, Erik J., Mullet, John, George-Jaeggli, Barbara, Hammer, Graeme, Klein, Patricia and Jordan, David (2014). The stay-green trait in cereals: integrating from cell to whole plant. In: 7th European Workshop on Plant Senescence, Aarhus, Denmark, (). 10-14 November 2014.

An Integrated Approach to Sorghum Crop Improvement in Australia

Jordan, D., Mace, E., Borrell, A., Cruickshank, A., Chapman, S., van Oosterom, E. and Hammer, G. (2013). An Integrated Approach to Sorghum Crop Improvement in Australia. In: 4th International Conference on Integrated Approaches to Improve Crop Production under Drought-Prone Environments (InterDrought-IV), Perth, WA, Australia, (). 2 - 6 September 2013.

Fine-mapping candidates for 'stay-green' in sorghum reveals genes associated with canopy development and root growth

Borrell, A. K., Christopher, J. T., Veyradier, M., Harvey, G., Fletcher, S., Christopher, M., Jennings, R., Hammer, G. L. and Chenu, K. (2013). Fine-mapping candidates for 'stay-green' in sorghum reveals genes associated with canopy development and root growth. In: ID4: InterDrought-IV Conference 2013. The 4th International Conference on Integrated Approaches to Improve Crop Production under Drought-Prone Environments, Burswood, WA, Australia, (). 2-6 September, 2013.

Forecasting the major crops for Australia and crop yield insurance: an integrated climate, biophysical and remote sensing approach

Potgieter, Andries, Hammer, Graeme, Rodriguez, David, Doherty, Alastair, Davis, Peter, Power, Brendan and Book, Peter (2013). Forecasting the major crops for Australia and crop yield insurance: an integrated climate, biophysical and remote sensing approach. In: René Gommes and François Kayitakire, The Challenges of Index-Based Insurance for Food Security in Developing Countries: Proceedings of a technical workshop organised by the EC Joint Research Centre (JRC) and the International Research Institute for Climate and Society (IRI, Earth Institute, Columbia University). The Challenges of Index-Based Insurance for Food Security in Developing Countries: A Technical Workshop organised by JRC & IRI, Ispra Varese, Italy, (101-110). 2-3 May, 2012. doi:10.2788/713

Nodal root angle in Sorghum and its association with drought adaptation

Singh, V., van Oosterom, E. J., Jordan, D. R., Mace, E., Colleen, H. and Hammer, G. L. (2013). Nodal root angle in Sorghum and its association with drought adaptation. In: 30th Interdisciplinary Plant Group Symposium, Columbia Missouri, United States, (). 29 - 31 May 2013.

An experimental approach for developing seed lines of new Australian native flowering pot plants

Cave, R. L., Erwin, J. E., Hammer, G. L., Birch, C. J. and Johnston, M. E. (2012). An experimental approach for developing seed lines of new Australian native flowering pot plants. In: Proceedings of the XXVIII International Horticultural Congress On Science and Horticulture for People (IHC2010): Proceedings of the International Symposium On Advances in Ornamentals, Landscape and Urban Horticulture. XXVIII International Horticultural Congress (IHC2010), Lisbon, Portugal, (37-43). 22-27 August 2010.

High temperature effects on development and floret sterility of diverse sorghum lines

Nguyen, Chuc Thi, Singh, Vijaya, van Oosterom, Erik, Jordan, David, Chapman, Scott and Hammer, Graeme (2012). High temperature effects on development and floret sterility of diverse sorghum lines. In: I. Yunusa, Capturing Opportunities and Overcoming Obstacles in Australian Agronomy: Proceedings of 16th Agronomy Conference 2012. 16th Australian Agronomy Conference, Armidale, NSW, Australia, (). 14-18 October 2012.

How high temperature affects wheat growth and development

Chenu, K., Oudin, F., Chapman, S. C., Dreccer, M. F. and Hammer, G. L. (2012). How high temperature affects wheat growth and development. In: 6th International Crop Science Congress (ICSC), Bento Goncalves, Brazil, (). 6-12 August 2012.

Modelling crop physiology and genetics to simulate Genotype x Management x Environment (GxMxE) interactions

Chenu, Karine, Hammer, Graeme, van Oosterom, Erik, Christopher, Jack, McLean, Greg, Doherty, Al and Chapman, Scott (2012). Modelling crop physiology and genetics to simulate Genotype x Management x Environment (GxMxE) interactions. In: APSIM Users and Developers Forum, Canberra, Australia, (). 14 March 2012.

Modelling genotype and environment effects to aid crop improvement

Chenu, Karine, Hammer, Graeme and Chapman, Scott (2012). Modelling genotype and environment effects to aid crop improvement. In: 6th International Crop Science Congress (ICSC), 6-12 August 2012, (). Bento Goncalves, Brazil.

Characterisation of drought patterns across the Australian Wheat Belt

Chenu, K., Deihimfard, R., Hammer, G. L., Doherty, A. and Chapman, S. C. (2011). Characterisation of drought patterns across the Australian Wheat Belt. In: Wheat Breeding Assembly, Perth, Australia, (). 24-26 August 2011.

Characterising root systems throughout the life cycle to identify adaptive root traits for water-limitation

Christopher, J. T., Borrell, A. K., Chenu, K., Jennings, R., Harvey, G., Manschadi, A. M. and Hammer, G. L. (2011). Characterising root systems throughout the life cycle to identify adaptive root traits for water-limitation. In: Wheat Breeding Assembly, Perth, Australia, (). 24-26 August 2011.

Drought environment types for rain-fed barley in Australia – Interpreting genotype-environment interaction by modelling water-deficit patterns

Chenu, K., Deihimfard, R., McIntyre, K. and Hammer, G. L. (2011). Drought environment types for rain-fed barley in Australia – Interpreting genotype-environment interaction by modelling water-deficit patterns. In: The 15th Australian Barley Technical Symposium, Adelaide, Australia, (). 18-21 September 2011.

New lysimeter platforms to phenotype daily transpiration over the crop cycle in contrasting wheat lines

Chenu, K., Christopher, J. T., McLean, G., Payero, J. O. and Hammer, G. L. (2011). New lysimeter platforms to phenotype daily transpiration over the crop cycle in contrasting wheat lines. In: Wheat Breeding Assembly, Perth, Australia, (). 24-26 August 2011.

Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize – a gene-to phenotype modelling approach

Chenu, Karine, Chapman, Scott, Tardieu, Francois, McLean, Greg, Welcker, Claude and Hammer, Graeme L. (2011). Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize – a gene-to phenotype modelling approach. In: XVIII International Botanical Congress, Melbourne, Australia, (). 23-30 July 2011.

Effects of pot size on growth of maize and sorghum plants

Yang, Zongjian, Hammer, Graeme, van Oosterom, Erik, Rochas, Delphine and Deifel, Kurt (2010). Effects of pot size on growth of maize and sorghum plants. In: B. George-Jaeggli and D.J. Jordan, Proceedings of the 1st Australian Summer Grains Conference. 1st Australian Summer Grains Conference 2010, Gold Coast, Australia, (). 21-24 June 2010.

Environment characterisation as an aid to improve barley adaptation in water-limited environments

Chenu, Karine, McIntyre, Kym and Hammer, Graeme (2010). Environment characterisation as an aid to improve barley adaptation in water-limited environments. In: Proceedings of the 14th Australian Barley Techinical Symposium. 14th Australian Barley Technical Symposium, Twin Waters Resort, Sunshine Coast, QLD, (). 13-16 September 2009.

Environmental characterisation for drought-prone environments

Chenu, K., Hammer, G. L. and Chapman, S. C. (2010). Environmental characterisation for drought-prone environments. In: DROPS workshop, Montpellier, France, (). 2-3 September 2010.

Environmental characterisation to aid crop improvement in drought-prone environments

Chenu, K., Hammer, G. L., Dreccer, M. F. and Chapman, S. C. (2010). Environmental characterisation to aid crop improvement in drought-prone environments. In: J. Wery, I. Shili-Touzi and A. Perrin, Proceedings of Agro2010: the XIth ESA Congress. Agro2010: The XIth ESA Congress, Montpellier, France, (79-80). 29 August - 03 September 2010.

Experimental and modelling studies of drought-adaptive root architectural traits in wheat (Triticum aestivum L.)

ManschadiAM, Christopher, J.T., HammerGL and DevoilP (2010). Experimental and modelling studies of drought-adaptive root architectural traits in wheat (Triticum aestivum L.). In: RootRAP 2009. 7th Symposium of the International Society of Root Research, Vienna, Austria, (458-462). 2-4 September, 2009. doi:10.1080/11263501003731805

Exploring physiological and genetic determinants of tillering in sorghum

Alam, M. M., Hammer, G. L., van Oosterom, E. J., Cruickshank, A. and Jordan, D. R. (2010). Exploring physiological and genetic determinants of tillering in sorghum. In: Proceedings of the 1st Australian Summer Grains Conference. 2010 Australian Summer Grains Conference, Gold Coast, Queensland, Australia, (). 21-24 June 2010.

Functional whole-Plant modelling - The missing link between molecular biology and crop improvement?

Chenu, K., Hammer, G. L., Chapman, S. C., Christopher, J. and McLean, G. (2010). Functional whole-Plant modelling - The missing link between molecular biology and crop improvement?. In: Mathematical Modeling of Plant Development, Columbus, OH, USA, (). 27 September - 1 October 2010.

Genetic control of root system architecture in sorghum and its implications on water extraction

Singh, Vijaya, van Oosterom, Erik, Jordan, David, Mace, Emma and Hammer, Graeme (2010). Genetic control of root system architecture in sorghum and its implications on water extraction. In: J. Wery, I, Shili-Touzi and A. Perrin, Proceedings of Agro2010: The XIth ESA Congress. Agro2010 XIth ESA Congress, Montpellier, France, (553-554). 29 August - 3 September, 2010.

Genotypic variability for nodal root angle in sorghum and its implications on potential water extraction

Singh, Vijaya, van Oosterom, Erik, Jordan, David and Hammer, Graeme (2010). Genotypic variability for nodal root angle in sorghum and its implications on potential water extraction. In: Proceedings of the 1st Australian Summer Grains Conference. Australian Summer Grains Conference 2010, Gold Coast , Australia, (). 21-24 June 2010.

Plant design features that improve grain yield of sorghum under post-anthesis drought stress

van Oosterom, Erik, Borrell, Andrew, Deifel, Kurt and Hammer, Graeme (2010). Plant design features that improve grain yield of sorghum under post-anthesis drought stress. In: Proceedings of the 1st Australian Summer Grains Conference. Australian Summer Grains Conference 2010, Gold Coast, Qld., Australia, (). 21-24 June 2010.

Revealing the yield impacts of organ-level QTL associated with drought response in maize - A gene-to-phenotype modelling approach

Chenu, K., Chapman, S. C., Tardieu, F., Welcker, C., McLean, G. and Hammer, G. L. (2010). Revealing the yield impacts of organ-level QTL associated with drought response in maize - A gene-to-phenotype modelling approach. In: DROPS workshop, Montpellier, France, (). 2-3 September.

The value of linking genomic knowledge with ecophysiological knowledge using dynamic crop models

Chapman, Scott, Van Oosterom, Erik, Chenu, Karine, McLean, Greg and Hammer, Graeme (2010). The value of linking genomic knowledge with ecophysiological knowledge using dynamic crop models. In: ASA, CSSA, and SSSA 2010 Internation Annual Meetings, Long Beach, CA, USA, (). 31 October - 3 November 2010.

Traits and technologies to design crop breeding systems for climate change

Chapman, S. C., Dreccer, M. F., Chenu, K., Jordan, D., McLean, G., Hammer, G. L., Bourgault, M., Milroy, S., Palta-Paz, J. A., Wockner, K. B. and Zheng, B. (2010). Traits and technologies to design crop breeding systems for climate change. In: Adapting agriculture to climate change: Implications for food producers and food security. 2010 International Climate Change Adaptation Conference, Gold Coast, Queensland, Australia, (). 29 June - 1 July 2010.

A simulation platform to study QTL detection and response to selection

Chapman, S. C., Wang, J., Chenu, K., McLean, G., Doherty, A., Hansen, N., Dieters, M. and Hammer, G. L. (2009). A simulation platform to study QTL detection and response to selection. In: 3rd International Conference on Integrated Approaches to Improve Crop Production Under Drought Prone Environments (InterDrought-III), Shanghai, China, (). 11-16 October 2009.

Characterising genetic variation in tillering in sorghum

Alam, M.M., Hammer, G.L., Van Oosterom, E.J., Cruickshank, A., Hunt, C. and Jordan, D.R. (2009). Characterising genetic variation in tillering in sorghum. In: SABRAO Journal of Breeding and Genetics. 14th Australasian Plant Breeding & 11th SABRAO Conference, Cairns, Australia, (). 10-14 August, 2009.

Crop modelling as an aid for environment characterisation and crop improvement

Chenu, K., Dreccer, F., Hammer, G. L., Lush, D., McLean, G. and Chapman, S. C. (2009). Crop modelling as an aid for environment characterisation and crop improvement. In: Society for Experimental Biology conference, Glasgow, UK, (). 6-10 July 2009.

Crop modelling as an aid for environmental characterisation and crop improvement

Chenu, K, Chapman, SC, McLean, G, Lush, D, Hammer, GL and Dreccer, F (2009). Crop modelling as an aid for environmental characterisation and crop improvement. In: Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology. Annual Meeting of the Society-for-Experimental-Biology, Glasgow Scotland, (S227-S227). Jun 28-Jul 01, 2009. doi:10.1016/j.cbpa.2009.04.566

Designing the sorghum crop model in APSIM to simulate the physiology and genetics of complex adaptive traits

Hammer, Graeme L., Van Oosterom, Erik, McLean, Greg and Chapman, Scott (2009). Designing the sorghum crop model in APSIM to simulate the physiology and genetics of complex adaptive traits. In: Annual Meeting of the Society-for-Experimental-Biology, Glasgow Scotland, (S222-S222). Jun 28-Jul 01, 2009. doi:10.1016/j.cbpa.2009.04.550

Developing new methods for the application of cross prediction, QTL analysis and comparisons of breeding strategies

Chapman, S. C., Chenu, K., Rebetzke, G. J., Dieters, M., Hammer, G. L. and Wang, J. (2009). Developing new methods for the application of cross prediction, QTL analysis and comparisons of breeding strategies. In: Edilberto Redona, Proceedings of the Joint 14th Australasian Plant Breeding Conference and 11th SABRAO Congress. 14th Australasian Plant Breeding Conference (APBC) and the 11th Congress of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO), Cairns, Australia, (1-19). 10-14 August 2009.

Environment characterisation as an aid to improve wheat adaptation in water-limited environments

Chenu, K., Hammer, G. L., Dreccer, F. and Chapman, S. C. (2009). Environment characterisation as an aid to improve wheat adaptation in water-limited environments. In: 3rd International Conference on Integrated Approaches to Improve Crop Production Under Drought Prone Environments (InterDrought-III), Shanghai, China, (). 11-16 October 2009.

Environment characterisation as an aid to wheat improvement in north east Australia

Chenu, K., Hammer, G. L., Dreccer, F. and Chapman, S. C. (2009). Environment characterisation as an aid to wheat improvement in north east Australia. In: Edilberto Redona, Proceedings of the Joint 14th Australasian Plant Breeding Conference and 11th SABRAO Congress. 14th Australasian Plant Breeding & 11th SABRAO Conference, Cairns, Australia, (1-16). 10-14 August 2009.

Genetic and physiological simulation of crossing and selection strategies to combine diagnostic markers and quantitative traits

Chapman, Scott, Wang, Jiankang, Chenu, Karine, Rebetzke, Greg, Bonnett, David, Welcker, Claude, Tardieu, Francois, Dieters, Mark and Hammer, Graeme (2009). Genetic and physiological simulation of crossing and selection strategies to combine diagnostic markers and quantitative traits. In: Abstracts: Plant & Animal Genomes XVII Conference. Plant and Animal Genomes XVII Conference, San Diego, CA, U.S.A., (27-27). 10-14 January 2009.

Quantitative trait loci associated with drought response in maize - a gene-to-phenotype modelling approach

Chenu, K., Tardieu, F., Chapman, S. C., McLean, G., Welcker, C. and Hammer, G. L. (2009). Quantitative trait loci associated with drought response in maize - a gene-to-phenotype modelling approach. In: Proceedings of the Joint 14th Australasian Plant Breeding Conference and 11th SABRAO Congress. 14th Australasian Plant Breeding Conference (APBC) and the 11th Congress of the Society for the Advancement of Breeding Research in Asia and Oceania (SABRAO), Cairns, Australia, (1-15). 10-14 August 2009.

Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize-A gene-to-phenotype modelling approach

Chenu, K, Chapman, SC, Tardieu, F, McLean, G, Welcker, C and Hammer, GL (2009). Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize-A gene-to-phenotype modelling approach. In: Comparative Biochemistry and Physiology A-Molecular & Integrative Physiology. Annual Meeting of the Society-for-Experimental-Biology, Glasgow Scotland, (S228-S229). Jun 28-Jul 01, 2009. doi:10.1016/j.cbpa.2009.04.575

Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize: a gene-to-phenotype modelling approach

Chenu, K., Chapman, S. C., Tardieu, F., McLean, G., Welcker, C. and Hammer, G. L. (2009). Revealing the yield impacts of organ-level quantitative trait loci associated with drought response in maize: a gene-to-phenotype modelling approach. In: 3rd International Conference on Integrated Approaches to Improve Crop Production Under Drought Prone Environments (InterDrought-III), Shanghai, China, (). 11-16 October 2009.

Simulating breeding systems for climate change

Chapman, S. C., Chenu, K., McLean, G., Hammer, G. L., Dieters, M. and Wang, J. (2009). Simulating breeding systems for climate change. In: Workshop - Crop production under heat stress: monitoring, impact assessment and adaptation, Tsukuba, Japan, (). 5 - 9 October 2009.

Can large kernel size increase grain yield in sorghum?

Yang, Zongjian, Hammer, Graeme, Van Oosterom, Erik, Jordan, David and Doherty, Alistair (2008). Can large kernel size increase grain yield in sorghum?. In: Global Issues, Paddock Action: Proceedings of the 14th Australian Society of Agronomy Conference. 14th Australian Society of Agronomy Conference, Adelaide, South Australia, (). 21-25 September 2008.

Development of the Generic APSIM Cereal Template to Enhance Functionality of Whole-Plant Modelling

McLean, Greg, Hammer, Graeme, Van Oosterom, Erik and Doherty, Alistair (2008). Development of the Generic APSIM Cereal Template to Enhance Functionality of Whole-Plant Modelling. In: M. Unkovich, Global Issues, Paddock Action: Proceedings of the 14th Australian Society of Agronomy Conference. 14th Australian Society of Agronomy Conference, Adelaide South Australia, (). 21-25 September 2008.

Functional Whole Plant Modelling - The Missing Link between Molecular Biology and Crop Improvement?

Hammer, Graeme, Chapman, Scott and Van Oosterom, Erik (2008). Functional Whole Plant Modelling - The Missing Link between Molecular Biology and Crop Improvement?. In: M. Unkovich, Global Issues, Paddock Action: Proceedings of the 14th Australian Society of Agronomy Conference. 14th Australian Society of Agronomy Conference, Adelaide, South Australia, (). 21-25 September 2008.

Model-based trait dissection as an aid to QTL detection and deployment - Illustration for leaf growth under drought in maize

Chenu, K., Chapman, S. C., Tardieu, F., Welcker, C., McLean, G. and Hammer, G. L. (2008). Model-based trait dissection as an aid to QTL detection and deployment - Illustration for leaf growth under drought in maize. In: Workshop: Integrating new technologies for rapid genetic advance in plant breeding programs, Brisbane, QLD, Australia, (). 8-9 October 2008.

Plant design features that improve grain yield of cereals under drought

Van Oosterom, Erik J., Hammer, Graeme L., Kim, Hae-Koo, Mclean, Greg and Deifel, Kurt (2008). Plant design features that improve grain yield of cereals under drought. In: Murray Unkovich, Global Issues, Paddock Action: Proceedings of the 14th Australian Society of Agronomy Conference. 14th Australian Society of Agronomy Conference, Adelaide, South Australia, (). 21-25 September 2008.

Shire scale impacts and adaptation options for Australian cereal crops affected by climate change

Potgieter, Andries, Doherty, Alistair, Crimp, Steven, Rodriguez, Daniel, Hammer, Graeme L., Meinke, Holger and Fearweather, H. (2008). Shire scale impacts and adaptation options for Australian cereal crops affected by climate change. In: Murray Unkovich, Global Issues, Paddock Action: Proceedings of the 14th Agronomy Conference 2008. 2008 14th ASA: The 14th Australian Society of Agronomy Conference, Adelaide, SA, Australia, (). 21-25 September, 2008.

Simulating yield impact of QTL controlling leaf and silk expansion under drought in maize

Chenu, Karine, Tardieu, François, Chapman, Scott, McLean, Greg, Welcker, Claude and Hammer, Graeme (2008). Simulating yield impact of QTL controlling leaf and silk expansion under drought in maize. In: Proceedings of the 14th Australian Society of Agronomy Conference. Global Issues. Paddock Action, Adelaide, South Australia, (). 21-25 Sep 2008.

Stay-green wheat for Australia's changing, dry environment

Christopher, J. T., Manschadi, A., Hammer, G. L. and Borrell, A. K. (2008). Stay-green wheat for Australia's changing, dry environment. In: Proceedings of the 11th International Wheat Genetics Symposium. 11th International Wheat Genetics Symposium, Brisbane, Queensland, (). 24-29 Aug 2008.

Using modelling and agronomy to improve reliability of corn as a rainfed crop in northern New South Wales and south western Queensland

Birch, Colin, Stephen, Kirsten, McLean, Greg and Hammer, Graeme (2008). Using modelling and agronomy to improve reliability of corn as a rainfed crop in northern New South Wales and south western Queensland. In: Proceedings of the 14th Australian Society of Agron Conference. 14th Australian Society of Agron Conference, Adelaide, South Australia, (). 21-25 September, 2008.

Variability in structure and function of sorghum root systems

Singh, Vijaya, Hammer, Graeme and Van Oosterom, Erik (2008). Variability in structure and function of sorghum root systems. In: Murray Unkovich, Global Issues, Paddock Action: Proceedings of the 14th Australian Society of Agronomy Conference. 14th Australian Society of Agronomy Conference, Adelaide, South Australia, (). 21-25 September 2008.

An integrated systems approach to crop improvement

Hammer, G. L. and Jordan, D. R. (2007). An integrated systems approach to crop improvement. In: J. H. J. Spiertz, P. C. Struik, H. H. van Laar and R. J. Bogers, Proceedings of the Frontis Workshop on Scale and Complexity in Plant Systems Research: Gene-Plant-Crop Relations. International Frontis Workshop 2006. Gene-Plant-Crop Relations: Scale and Complexity in Plant Systems Research, Wageningen, Netherlands, (45-61). 23-26 April 2006.

How do short-term environmental effects on leaf growth rate translate into differences in whole-plant profiles of maize leaf area? Impact of temperature, evaporative demand and soil water status

Chenu, K., Chapman, S. C., Hammer, G. L., McLean, G. and Tardieu, F. (2007). How do short-term environmental effects on leaf growth rate translate into differences in whole-plant profiles of maize leaf area? Impact of temperature, evaporative demand and soil water status. In: Agron-Omics, Montpellier, France, (). 17-18 July 2007.

A simple gene network model for photoperiodic response of floral transition in sorghum can generate genotype-by-environment interations in grain yield at the crop level

Van Oosterom, E. J., Hammer, G. L., Chapman, S. C. and Doherty, A. (2006). A simple gene network model for photoperiodic response of floral transition in sorghum can generate genotype-by-environment interations in grain yield at the crop level. In: Mercer, C. F., Advances in Plant Breeding - Breeding for Success: Diversity in Action: Proceedings of the 13th Australasian Plant Breeding Conference. 13th Australasian Plant Breeding Conference, Christchurch, New Zealand, (687-691). 18-21 April 2006.

Assessment of reliability of quick to medium maize in areas of variable rainfall in Queensland and Northern NSW

Birch, C. J., Stephen, K. L., Hammer, G. L. and Robertson, M. J. (2006). Assessment of reliability of quick to medium maize in areas of variable rainfall in Queensland and Northern NSW. In: E. Humpreys, Water to Gold-Proceedings 6th triennial Conference, Maize Aus., Griffith, NSW, Austrlia, (). 21-23 February, 2006.

Breeding for yield in the DPI&F breeding program

Jordan, D., Hammer, G. L. and Henzell, R. G. (2006). Breeding for yield in the DPI&F breeding program. In: A. K. Borrell and D. R. Jordan, 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, Qld, Australia, (1-8). 30 January - 2 February 2006.

Pathways to prosperity: Breaking the yield barrier in Sorghum

Hammer, G. L. (2006). Pathways to prosperity: Breaking the yield barrier in Sorghum. In: A.K. Borrell and D.R. Jordan, 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, Qld, Australia, (1-19). 30 January - 2 February 2006.

Physiology and genetics of tillering in sorghum

Kim, H. K., Van Oosterom, E. J., Luquet, D., Dingkuhn, M. and Hammer, G. L. (2006). Physiology and genetics of tillering in sorghum. In: A. K. Borrell, R. G. Henzell and D. R. Jordan, 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, (1-10). 30 January - 2 February 2006.

Predicting flowering time in sorghum using a simple gene network: functional physiology or fictional functionality?

Chapman, S. C., Doherty, A., Hammer, G. L., Jordan, D., Mace, E. and Van Oosterom, E. J. (2006). Predicting flowering time in sorghum using a simple gene network: functional physiology or fictional functionality?. In: 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, (1-18). 30 January - 2 February 2006.

Tall sorghum plants use water more efficiently than short ones

George-Jaeggli, B., Hammer, G. L., Van Oosterom, E. J. and Jordan, D. R. (2006). Tall sorghum plants use water more efficiently than short ones. In: Proceedings from the 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, (1-8). 30 January - 2 February 2006.

What determines expression of stay-green under post-anthesis drought stress?

Van Oosterom, E J, Hammer, G L, Borrell, A. and Broad, J. (2006). What determines expression of stay-green under post-anthesis drought stress?. In: Borrell, A. K., Henzell, R. G. and Jordan, D. R., Proceedings from the 5th Australian Sorghum Conference. 5th Australian Sorghum Conference, Gold Coast, (1-10). 30 January - 2 February 2006.

Spying on the winter wheat crop - generating objective planted area and crop production estimates using modis imagery

Potgieter, A., Apan, A., Hammer, G. L. and Dunn, P. (2005). Spying on the winter wheat crop - generating objective planted area and crop production estimates using modis imagery. In: Proceedings of SSC 2005 Spatial Intelligence, Innovation and Praxis: The national Biennial Conference of the Spatial Sciences Institute. National Biennial Conference of the Spatial Sciences Institute, Melbourne, Vic, (1-5). September 2005.

Can transition to flowering be modelled dynamically from the gene level?

Van Oosterom, Erik, Hammer, Graeme and Chapman, Scott (2004). Can transition to flowering be modelled dynamically from the gene level?. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-6). 26 September-1 October 2004.

Developing high yielding wheat for water limited environments in northern Australia

Christopher, John T., Borrell, Andrew K., Manschadi, A. M., Hammer, Graeme and Chapman, Scott (2004). Developing high yielding wheat for water limited environments in northern Australia. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-6). 26 September-1 October 2004.

Discovering stay-green drought tolerance genes in sorghum: A multidisciplinary approach

Borrell, Andrew K., Jordan, David, Mullet, John, Klein, Patricia, Klein, Robert, Nguyen, Henry, Rosenow, Darrell, Hammer, Graeme, Douglas, Andrew and Henzell, Bob (2004). Discovering stay-green drought tolerance genes in sorghum: A multidisciplinary approach. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-5). 26 September-1 October 2004.

Is increased radiation use efficiency in sorghum related to increased height?

George-Jaeggli, Barbara, Broad, Ian, Hammer, Graeme and Jordan, David (2004). Is increased radiation use efficiency in sorghum related to increased height?. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-5). 26 September-1 October 2004.

National whoppercropper - risk management discussion support software

Cox, Howard, Hammer, Graeme, McLean, Greg and King, Christine (2004). National whoppercropper - risk management discussion support software. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-5). 26 September-1 October 2004.

Optimising profitability and environmental trade-offs in managing cropping systems using differential evolution

deVoil, Peter, Rossing, W. A. H. and Hammer, Graeme (2004). Optimising profitability and environmental trade-offs in managing cropping systems using differential evolution. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-6). 26 September-1 October 2004.

Soil exploration by sorghum root systems in wide row cropping systems

Broad, Ian and Hammer, Graeme (2004). Soil exploration by sorghum root systems in wide row cropping systems. In: T. Fischer, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-5). 26 September-1 October 2004.

Trait physiology and crop modelling to link phenotypic complexity to underlying genetic systems

Hammer, Graeme, Chapman, Scott, Van Oosterom, Erik and Podlich, Dean (2004). Trait physiology and crop modelling to link phenotypic complexity to underlying genetic systems. In: T. Fisher, N. Turner, J. Angus, L. McIntyre, M. Robertson, A. Borrell and D. Lloyd, New Directions for a Diverse Planet: Proceedings of the 4th International Crop Science Congress. 4th International Crop Science Congress, Brisbane, Australia, (1-15). 26 September-1 October 2004.

Crop growth and maturity in ultra narrow row and conventionally spaced cotton

Roche, R., Bange, M., Milroy, S. and Hammer, G. L. (2003). Crop growth and maturity in ultra narrow row and conventionally spaced cotton. In: Australian Society of Agronomy, Proceedings of the 11th Australian Agronomy Conference. 11th Australian Agronomy Conference, Geelong, (1-5). 2-6 February, 2003.

Exploring profit - sustainability trade-offs in cropping systems using evolutionary algorithms

deVoil, P., Rossing, W.A.H. and Hammer, G. L. (2003). Exploring profit - sustainability trade-offs in cropping systems using evolutionary algorithms. In: D.A. Post, Integrative Modelling of Biophysical, Social and Economic Systems for Resource Mangement Solutions. MODSIM 2003, Jupiters Hotel and Casino, Townsville, (1562-1567). 14-17 July 2003.

Improving the confidence of dryland maize growers in the northern region by developing low-risk production strategies

Robertson, M., Cawthray, S., Birch, C. J., Bidstrup, R. and Hammer, G. L. (2003). Improving the confidence of dryland maize growers in the northern region by developing low-risk production strategies. In: Unkovich, M., O'Leary and G., Solutions for a better environment, Proc, 11th Australian Agronomy Conference. Solutions for A Better Environment, Geelong, Australia, (1-4). 2-6 February, 2003.

Managing the risks of growing dryland maize in the northern region

Robertson, M. J., Cawthray, S., Birch, C. J., Bidstrup, R., Crawford, M., Dalgleish, N.P. and Hammer, G. L. (2003). Managing the risks of growing dryland maize in the northern region. In: C. J. Birch and S. R. Wilson, Versatile Maize - Golden Opportunities. Versatile Maize, Golden Opportunities - 5th Aust. Maize Conf., Toowoomba, Australia, (112-119). 18-20 February, 2003.

The effect of row configuration on yield reliability in grain sorghum: I. Yield, water use efficiency and soil water extraction

Routley, R., Broad, I.J., McLean, G.B., Whish, J. and Hammer, G. L. (2003). The effect of row configuration on yield reliability in grain sorghum: I. Yield, water use efficiency and soil water extraction. In: Australian Society of Agronomy, Proceedings of the 11th Australian Agronomy Conference. 11th Australian Agronomy Conference, Geelong, (1-6). 2-6 February, 2003.

The effect of row configuration on yield reliability in grain sorghum: II. Modelling the effects of row configuration

McLean, G.B., Whish, J., Routley, R., Broad, I.J. and Hammer, G. L. (2003). The effect of row configuration on yield reliability in grain sorghum: II. Modelling the effects of row configuration. In: Australian Society of Agronomy, Proceedings of the 11th Australian Agronomy Conference. 11th Australian Agronomy Conference, Geelong, (1-5). 2-6 February, 2003.

The physiology of "stay-green" in sorghum

Borrell, A., Van Oosterom, E. J., Hammer, G. L., Jordan, D. and Douglas, A. (2003). The physiology of "stay-green" in sorghum. In: Australian Society of Agronomy, Proceedings of the 11th Australian Agronomy Conference. 11th Australian Agronomy Conference, Geelong, Victoria, (1-4). 2-6 February, 2003.

The reliability of supply of feed grains in the northern region

Hammer, G. L., Potgieter, A. and Strahan, R. (2003). The reliability of supply of feed grains in the northern region. In: C.J. Birch and S.R. Wilson, Fifth Australian Maize Conference Proceedings. Versatile Maize - Golden Opportunities, City Golf Club, Toowoomba, (120-126). 18-20 February, 2003.

Simulated influence of drought incidence on conventional and marker-assisted selection in sorghum breeding

Chapman, S. C., Hammer, G. L., Podlich, D. and Cooper, M. (2002). Simulated influence of drought incidence on conventional and marker-assisted selection in sorghum breeding. In: J. A. McComb, Plant breeding for the 11th millenium : proceedings of the 12th Australasian Plant Breeding Conference. 12th Australasian Plant Breeding Conference, Perth, Western Australia, (468-473). 15-20 September, 2002.

The unit for modelling plant breeding programs at The University of Queensland

Hammer, G. L., Basford, K. E., Delacy, I. H., Chapman, S.C. and Cooper, M. (2002). The unit for modelling plant breeding programs at The University of Queensland. In: J. A. McComb, Plant breeding for the 11th millenium : proceedings of the 12th Australasian Plant Breeding Conference. 12th Australasian Plant Breeding Conference, Perth, Western Australia, (73-75). 15-20 September, 2002.

Canopy architecture and nitrogen utilisation for biomass production: the contrast between maize and sunflower

Massignam, A., Chapman, S.C., Hammer, G. L. and Fukai, S. (2001). Canopy architecture and nitrogen utilisation for biomass production: the contrast between maize and sunflower. In: Proceedings of the 10th Australian Agronomy Conference. 10th Australian Agronomy Conference, Hobart, Tasmania, (). 28 January - 1 February, 2001.

Improving the interactions between users and producers of climate forecasts

Nicholls, N, Kestin, T and Hammer, G (2001). Improving the interactions between users and producers of climate forecasts. In: Symposium On Climate Variability, the Oceans and Societal Impacts. Symposium on Climate Variability, the Oceans and Societal Impacts, Albuquerque Nm, (118-121). Jan 14-18, 2001.

The economic theory of water and nitrogen dynamics and management in field crops

Hammer, G. L., Van Oosterom, E. J., Chapman, S.C. and McLean, G. (2001). The economic theory of water and nitrogen dynamics and management in field crops. In: Borrell and Henzell, Fourth Australian Sorghum Conference. Fourth Australian Sorghum Conference, Kooralbyn, Queensland, (). 5-8 February, 2001.

The role of modelling in linking physiology, molecular biology and plant breeding

Chapman, S.C., Hammer, G. L., Cooper, M., Podlich, D. and Borrell, A. (2001). The role of modelling in linking physiology, molecular biology and plant breeding. In: Borrell and Henzell, Fourth Australian Sorghum Conference. Fourth Australian Sorghum Conference, Kooralbyn, Queensland, (). 5-8 February, 2001.

The sorghum industry system and the restaurant at the end of the universe

Hammer, G. L. (2001). The sorghum industry system and the restaurant at the end of the universe. In: Borrell and Henzell, Fourth Australian Sorghum Conference. Fourth Australian Sorghum Conference, Kooralbyn, Queensland, (). 5-8 February, 2001.

Understanding climate variability to improve agricultural decision making

Meinke, H., Pollock, K., Hammer, G. L., Wang, E., Stone, R.C., Potgieter, A. and Howden, M. E. (2001). Understanding climate variability to improve agricultural decision making. In: Australian Agronomy Conference. Australian Agronomy Conference, Hobart, Tasmania, (). January, 2001.

A general systems approach to applying seasonal climate forecasts

Hammer, G. (2000). A general systems approach to applying seasonal climate forecasts. In: Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems. Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (51-65). November 1997.

Applying seasonal climate forecasts in agricultural and natural ecosystems - A synthesis

Hammer, G (2000). Applying seasonal climate forecasts in agricultural and natural ecosystems - A synthesis. In: Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems. Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (453-462). Nov, 1997.

Can seasonal climate forecasts predict movements in grain prices?

Chapman, S, Imray, R and Hammer, G (2000). Can seasonal climate forecasts predict movements in grain prices?. In: Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems. Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (367-380). Nov, 1997.

The potential value of seasonal climate forecasting in managing cropping systems

Carberry, P., Hammer, G., Meinke, H. and Bange, M. (2000). The potential value of seasonal climate forecasting in managing cropping systems. In: Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems. Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (167-181). November 1997.

Using seasonal climate forecasts in forecasting the Australian wheat crop

Stephens, D, Butler, D and Hammer, G (2000). Using seasonal climate forecasts in forecasting the Australian wheat crop. In: Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems. Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (351-366). Nov, 1997.

Grain sorghum genotypes vary in transpiration efficiency and show enhanced efficiencies in water limited conditions in the glasshouse and field

Mortlock, M. Y. and Hammer, G. L. (1999). Grain sorghum genotypes vary in transpiration efficiency and show enhanced efficiencies in water limited conditions in the glasshouse and field. In: Combined Conference of the ASBMB/ANZSCDB/ASPP. Combio 99, Conrad Jupiter, Gold Coast, Qld, (POS-TUE-02). 27-30 September 1999.

Using crop simulation models to examine genotype by environment interaction in variable water-limited environments

Chapman, S. C., Hammer, G. L. and Cooper, M. (1999). Using crop simulation models to examine genotype by environment interaction in variable water-limited environments. In: P. Langridge, A. Barr, G. Auricht, G. Collins, A. Granger, D. Handford and J. Paull, Proceedings of the 11th Australian Plant Breeding Conference. 11th Australian Plant Breeding Conference, Stamford Grand Hotel, Glenelg, SA, (135-136). 19-23 April 1999.

Crop modelling: Current status and opportunities to advance

Hammer, GL (1998). Crop modelling: Current status and opportunities to advance. In: Second International Symposium On Models for Plant Growth, Environmental Control and Farm Management in Protected Cultivation. 2nd International Symposium on Models for Plant Growth, Environmental Control and Farm Management in Protected Cultivation, Wageningen Netherlands, (27-36). Aug 25-28, 1997.

Components of solar radiation and radiation use efficiency of two tropical grass species

Healey, K., Rickert, K., Hammer, G. and Mann, M. (1996). Components of solar radiation and radiation use efficiency of two tropical grass species. In: 5th Australian Tropical Pastures Conference, Atheron, Australia, (165-165). June 1995.

APSIM: an agricultural production system simulation model for operational research

McCown, R. L., Hammer, G. L., Hargreaves, J. N. G., Holzworth, D. and Huth, N. I. (1995). APSIM: an agricultural production system simulation model for operational research. In: MSSA/IMAC 10th Biennial Conference on Modelling and Simulation, Perth Australia, (225-231). 6-10 December 1993. doi:10.1016/0378-4754(95)00063-2

The development of strategies for improved agricultural systems and land-use management

McCown, R. L., Cox, P. G., Keating, B. A., Hammer, G. L., Carberry, P. S., Probert, M. E. and Freebairn, D. M. (1994). The development of strategies for improved agricultural systems and land-use management. In: Opportunities, Use, and Transfer of Systems Research Methods in Agriculture to Developing Countries. International Workshop on Systems Research Methods in Agriculture in Developing Countries, The Hague, Netherlands, (81-96). 22-24 November 1994.

Development of a Peanut Growth-Model to Assist in Integrating Knowledge From Management and Adaptation Studies

Hammer, GL, Irmansyah, Meinke, H, Wright, GC and Bell, MJ (1992). Development of a Peanut Growth-Model to Assist in Integrating Knowledge From Management and Adaptation Studies. In: Peanut Improvement : a Case Study in Indonesia. Aciar / Aard / Qdpi Collaborative Review Meeting On Peanut Improvement : a Case Study in Indonesia, Malang Indonesia, (95-103). Aug 19-23, 1991.

Optimizing crop and cultivar selection in response to climatic risk

Muchow, R. C., Hammer, G. L. and Carberry, P. S. (1991). Optimizing crop and cultivar selection in response to climatic risk. In: Climatic Risk in Crop Production : Models and Management for the Semiarid Tropics and Subtropics. International Symposium on Climatic Risk in Crop Production: Models and Management for the Semiarid Tropics and Subtropics, Brisbane Australia, (235-262). 2-6 July 1990.

Quantifying climatic risk to sorghum in Australia's semiarid tropics and subtropics: model development and simulation

Hammer, G. L. and Muchow, R. C. (1991). Quantifying climatic risk to sorghum in Australia's semiarid tropics and subtropics: model development and simulation. In: Climatic Risk in Crop Production : Models and Management for the Semiarid Tropics and Subtropics. International Symposium on Climatic Risk in Crop Production: Models and Management for the Semiarid Tropics and Subtropics, Brisbane Australia, (205-232). 2-6 July 1990.

Oz-Wheat: a regional-scale crop yield simulation model for Australian wheat

Potgieter, A. B. and Hammer, Graeme L. (2006) Oz-Wheat: a regional-scale crop yield simulation model for Australian wheat Brisbane, Australia: Queensland Department of Primary Industries and Fisheries