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Professor Graeme Hammer

Professorial Research Fellow

Centre for Crop Science
Queensland Alliance for Agriculture and Food Innovation
g.hammer@uq.edu.au
+61 7 334 69463

Overview

Graeme is a Professor in Crop Science at the Centre for Crop Science in the Queensland Alliance for Agriculture and Food Innovation (QAAFI), which is a research institute of The University of Queensland, Australia.

Graeme conducts research on the physiology and genetics of complex adaptive traits in field crops with a focus on water productivity in cereals. His research underpins the development of mathematical models of crop growth, development and yield that enable simulation of consequences of genetic and management manipulation of crops in specific target environments.

His research approach provides unique opportunities to:

· Aid crop management and design for enhanced production in water-limited environments

· Enhance the utility of molecular breeding for drought adaptation, and

· Identify avenues to cope with climate risks in field crop production.

He is a Fellow of the Australian Agriculture Institute and was awarded the Australian Medal for Agricultural Science in 2013 and Farrer Memorial Medal in 2012.

Research Impacts

Prof. Hammer's research capabilities are focused on the major cereal crops: sorghum, maize and wheat. His expertise in crop ecophysiology and modelling enable Graeme to investigate traits and management systems that have the potential to deliver productivity gains in water-limited production environments. He collaborates closely with plant breeders, geneticists, molecular biologists and agronomists in a range of national and international research projects in both public and private sectors. He leads the UQ node of the ARC Centre of Excellence in Translational Photosynthesis (www.photosynthesis.org.au) and the UQ link to the APSIM Initiative, which is responsible for the on-going development of the APSIM modelling software platform (www.apsim.info), which is now used world-wide.

His research has focussed on traits and management systems that influence resource capture and resource use efficiency, including tillering and canopy development, root system architecture, maturity, carbon and nitrogen partitioning, light use and transpiration efficiencies. The detailed understanding that transpires from such work can generate approaches to phenotyping that provide avenues for linking with advanced approaches to molecular breeding and crop improvement.

Qualifications

  • Doctor of Philosophy, University of Kansas
  • Master of Science, University of Melbourne
  • Bachelor of Arts, The University of Queensland
  • Bachelor of Science, University of Melbourne

Publications

  • Book Chapter: The use of hyperspectral proximal sensing for phenotyping of plant breeding trials

    Potgieter, Andries B., Watson, James, George-Jaeggli, Barbara, McLean, Gregory, Eldridge, Mark, Chapman, Scott C., Laws, Kenneth, Christopher, Jack, Chenu, Karine, Borrell, Andrew, Hammer, Graeme and Jordan, David R. (2019). The use of hyperspectral proximal sensing for phenotyping of plant breeding trials. In Prasad S. Thenkabail, John G. Lyon and Alfredo Huete (Ed.), Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation (pp. 127-148) Boca Raton FL, United States: CRC Press Taylor and Francis Group.

  • Journal Article: Integrating modelling and phenotyping approaches to identify and screen complex traits : transpiration efficiency in cereals

    Chenu, K., van Oosterom, E. J., McLean, G., Deifel, K. S., Fletcher, A., Geetika, G., Tirfessa, A., Mace, E. S., Jordan, D. R., Sulman, R. and Hammer, G. L. (2018) Integrating modelling and phenotyping approaches to identify and screen complex traits : transpiration efficiency in cereals. Journal of Experimental Botany, 69 13: 3181-3194. doi:10.1093/jxb/ery059

  • Conference Publication: Determining crop growth dynamics in sorghum breeding trials through remote and proximal sensing technologies

    Potgieter, Andries B., Watson, James, Eldridge, Mark, Laws, Kenneth, George-Jaeggli, Barbara, Hunt, Colleen, Borrell, Andrew, Mace, Emma, Chapman, Scott C., Jordan, David R. and Hammer, Graeme L. (2018). Determining crop growth dynamics in sorghum breeding trials through remote and proximal sensing technologies. In: 38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Valencia, Spain, (8244-8247). Jul 22-27, 2018. doi:10.1109/IGARSS.2018.8519296

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Grants

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Supervision

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Publications

Book Chapter

  • The use of hyperspectral proximal sensing for phenotyping of plant breeding trials

    Potgieter, Andries B., Watson, James, George-Jaeggli, Barbara, McLean, Gregory, Eldridge, Mark, Chapman, Scott C., Laws, Kenneth, Christopher, Jack, Chenu, Karine, Borrell, Andrew, Hammer, Graeme and Jordan, David R. (2019). The use of hyperspectral proximal sensing for phenotyping of plant breeding trials. In Prasad S. Thenkabail, John G. Lyon and Alfredo Huete (Ed.), Fundamentals, Sensor Systems, Spectral Libraries, and Data Mining for Vegetation (pp. 127-148) Boca Raton FL, United States: CRC Press Taylor and Francis Group.

  • Genetic manipulation of root system architecture to improve drought adaptation in sorghum

    Joshi, Dinesh, Singh, Vijaya, van Oosterom, Erik, Mace, Emma, Jordan, David and Hammer, Graeme (2016). Genetic manipulation of root system architecture to improve drought adaptation in sorghum. In Rakshit, Sujay and Wang, Yi-Hong (Ed.), The sorghum genome (pp. 207-226) Cham, Switzerland: Springer. doi:10.1007/978-3-319-47789-3_11

  • 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

  • Sorghum crop modeling and its utility in agronomy and breeding

    Hammer, Graeme, McLean, Greg, Doherty, Al, van Oosterom, Erik and Chapman, Scott (2016). Sorghum crop modeling and its utility in agronomy and breeding. In Ignacio Ciampitti and Vara Prasad (Ed.), Sorghum: state of the art and future perspectives (pp. 1-25) Madison, WI United States: American Society of Agronomy and Crop Science Society of America. doi:10.2134/agronmonogr58.2014.0064

  • 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. doi:10.1016/B978-0-12-374431-9.00010-4

  • 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.

Journal Article

Conference Publication

  • Determining crop growth dynamics in sorghum breeding trials through remote and proximal sensing technologies

    Potgieter, Andries B., Watson, James, Eldridge, Mark, Laws, Kenneth, George-Jaeggli, Barbara, Hunt, Colleen, Borrell, Andrew, Mace, Emma, Chapman, Scott C., Jordan, David R. and Hammer, Graeme L. (2018). Determining crop growth dynamics in sorghum breeding trials through remote and proximal sensing technologies. In: 38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Valencia, Spain, (8244-8247). Jul 22-27, 2018. doi:10.1109/IGARSS.2018.8519296

  • Sorghum biomass prediction using UAV-based remote sensing data and crop model simulation

    Masjedi, Ali, Zhao, Jieqiong, Thompson, Addie M., Yang, Kai-Wei, Flatt, John E., Crawford, Melba M., Ebert, David S., Tuinstra, Mitchell R., Hammer, Graeme and Chapman, Scott (2018). Sorghum biomass prediction using UAV-based remote sensing data and crop model simulation. In: 38th IEEE International Geoscience and Remote Sensing Symposium (IGARSS), Valencia Spain, (7719-7722). 22-27 July 2018.

  • Adapting cereals to drought: genetic and management solutions

    Borrell, A. K., George-Jaeggli, B., van Oosterom, E. J., Mace, E. S., Jordan, D. R., Kassahun, B., Matiwos, T., Vadez, V., Talwar, H., Christopher, J. T., Chenu, K., Richard, C., Robinson, H., Hickey, L., Nagothu, S. U. and Hammer, G. L. (2017). Adapting cereals to drought: genetic and management solutions. In: Trop Ag 2017 Book of poster abstracts. TropAg2017, International Tropical Agriculture Conference, Brisbane, Australia, (123-123). 20-22 November 2017.

  • Bottom-up and top-down approaches – The value of modelling in trait dissection and phenotypic prediction

    Chenu, Karine, Chapman, Scott, Tardieu, Francois, Casadebaig, Pierre, Christopher, Jack and Hammer, Graeme (2016). Bottom-up and top-down approaches – The value of modelling in trait dissection and phenotypic prediction. In: Hortimodel 2016, Avignon, France, (). 19-22 September 2016.

  • Field phenotyping of sorghum breeding plots through proximal sensing

    Potgieter, Andries, Watson, James, Jordan, David, Hammer, Graeme, Chapman, Scott, Laws, Kenneth, McLean, Greg, Barbara George-Jaeggli, Holland, Edward and Eldridge, Mark (2016). Field phenotyping of sorghum breeding plots through proximal sensing. In: 5th International Controlled Environment Conference (AusPheno 2016), ANU, (). 18-23 September, 2016.

  • 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.

  • Phenotyping transpiration efficiency: linking trait dissection to genetics

    van Oosterom, E., Chenu, K., McLean, G., Deifel, K. , Sulman, R. and Hammer, G. (2016). Phenotyping transpiration efficiency: linking trait dissection to genetics. In: 5th International Controlled Environment Conference Abstracts. 5th International Controlled Environment Conference (AusPheno 2016), Canberra, Australia, (4-4). 18-22 September 2016.

  • The design and implementation of a high-throughput data pipeline for an agricultural proximal sensing platform

    Watson, James, Potgieter, Andries, Holland, Edward, Jordan, David and Hammer, Graeme (2016). The design and implementation of a high-throughput data pipeline for an agricultural proximal sensing platform. In: eResearch 2016, Melbourne, (). 10-14 October, 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

  • Improving cereal productivity with stay-green technology.

    Borrell, A., Hammer, G., Van Oosterom, E., George-Jaeggli, B., McLean, G., Hamlet, S., Hunt, C., Mace, E., Mullet, J., Klein, P., Weers, B. and Jordan, D. (2013). Improving cereal productivity with stay-green technology.. In: 2013 QAAFI Annual Research Meeting, Brisbane, Australia, (). 6-7 August 2013.

  • 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: Groening, G, 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. doi:10.17660/ActaHortic.2012.937.2

  • 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.

  • The development of a farming systems model (APSIM) - A disciplined approach

    Holzworth, Dean, Meinke, Holger, DeVoil, Peter, Wegener, Malcolm, Huth, Neil, Hammer, Graeme, Howden, Mark, Robertson, Michael, Carberry, Peter, Freebairn, David and Murphy, Chris (2006). The development of a farming systems model (APSIM) - A disciplined approach. In: Proceedings of the iEMSs 3rd Biennial Meeting,Summit on Environmental Modelling and Software. 3rd Biennial Meeting of the International Environmental Modelling and Software Society: Summit on Environmental Modelling and Software, iEMSs 2006, , , (). July 9, 2006-July 13, 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

    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.

  • 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.

  • 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 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. In: , , (151-164). .

  • 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: Hammer, GL, Nicholls, N and Mitchell, C, 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: Hammer, GL, Nicholls, N and Mitchell, C, 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, Scott, Imray, Robert and Hammer, Graeme (2000). Can seasonal climate forecasts predict movements in grain prices?. In: G.L. Hammer, N. Nicholls and C. Mitchell, 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). November 1997. doi:10.1007/978-94-015-9351-9_22

  • Comparing the value of seasonal climate forecasting systems in managing cropping systems

    Hammer, G, Carberry, P and Stone, R (2000). Comparing the value of seasonal climate forecasting systems in managing cropping systems. In: Hammer, GL, Nicholls, N and Mitchell, C, Symposium on Applications of Seasonal Climate Forecasting in Agricultural and Natural Ecosystems, Brisbane Australia, (183-195). 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: Hammer, GL, Nicholls, N and Mitchell, C, 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: Hammer, GL, Nicholls, N and Mitchell, C, 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: Marcelis, LFM, 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. doi:10.17660/ActaHortic.1998.456.1

  • 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: Goldsworthy, P and DeVries, FP, 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: Wright, GC and Middleton, KJ, 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: MUCHOW, RC and BELLAMY, JA, 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: MUCHOW, RC and BELLAMY, JA, 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.

Other Outputs

Grants (Administered at UQ)

PhD and MPhil Supervision

Current Supervision

Completed Supervision

This staff member is a UQ Expert for media in the following fields:

Grain crop production systems, Crop improvement, Crop - adaptation, physiology, Crop-climate interactions, Crop modelling, Crop physiology

They are happy to lend their expertise to your articles or broadcasts and share their research discoveries and insights with the community via media channels.

For additional assistance with story ideas, general advice and information or help with seeking further experts, please email the UQ Media Team or telephone (07) 3365 1120.

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ResearcherID: A-3785-2008

ORCID: 0000-0002-1180-7374

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