The University of Queensland

Phenological growth stage of tropical shallot (Allium cepa L. Aggregatum group) planted from seed in lowland area based on the BBCH scale

Pangestuti, Retno, Sulistyaningsih, Endang, Kurniasih, Budiastuti, Murti, Rudi Hari, Harper, Stephen and Subandiyah, Siti (2023). Phenological growth stage of tropical shallot (Allium cepa L. Aggregatum group) planted from seed in lowland area based on the BBCH scale. Annals of Applied Biology, 182 (2), 257-266. doi: 10.1111/aab.12799

Sulfur nutrition affects garlic bulb yield and allicin concentration

Nguyen, Binh Thi, Harper, Stephen M., O'Hare, Tim J., Menzies, Neal W. and Wehr, Bernhard (2022). Sulfur nutrition affects garlic bulb yield and allicin concentration. Plants, 11 (19) 2571, 2571. doi: 10.3390/plants11192571

Detection of two poleroviruses infecting garlic (Allium sativum) in Australia

Nurulita, Sari, Geering, Andrew D. W., Crew, Kathleen S., Harper, Stephen M. and Thomas, John E. (2022). Detection of two poleroviruses infecting garlic (Allium sativum) in Australia. Australasian Plant Pathology, 51 (4), 461-465. doi: 10.1007/s13313-022-00870-z

Improved agronomic biofortification of sweetcorn achieved using foliar rather than soil Zn applications

Cheah, Zhong Xiang, Harper, Stephen M., Hare, Tim J. O’, Kopittke, Peter M. and Bell, Michael J. (2022). Improved agronomic biofortification of sweetcorn achieved using foliar rather than soil Zn applications. Cereal Chemistry, 99 (4), 819-829. doi: 10.1002/cche.10539

A rapid and simplified methodology for the extraction and quantification of allicin in garlic

Nguyen, B.T., Hong, H.T., O’Hare, T.J., Wehr, J.B., Menzies, N.W. and Harper, S.M. (2021). A rapid and simplified methodology for the extraction and quantification of allicin in garlic. Journal of Food Composition and Analysis, 104 104114, 1-7. doi: 10.1016/j.jfca.2021.104114

Detection and distribution of viruses infecting garlic crops in Australia

Cremer, Julia, Campbell, Paul, Steele, Visnja, Persley, Denis, Thomas, John, Harper, Stephen and Gambley, Cherie (2021). Detection and distribution of viruses infecting garlic crops in Australia. Plants, 10 (5) 1013, 1-14. doi: 10.3390/plants10051013

First report of garlic virus E in Australia

Nurulita, Sari, Geering, Andrew D. W., Crew, Kathleen S., Harper, Stephen and Thomas, John E. (2020). First report of garlic virus E in Australia. Australasian Plant Disease Notes, 15 (1) 32. doi: 10.1007/s13314-020-00400-0

Zinc biofortification of immature maize and sweetcorn (Zea mays L.) kernels for human health

Cheah, Zhong Xiang, O’Hare, Tim J., Harper, Stephen M., Kochanek, Jitka and Bell, Michael J. (2020). Zinc biofortification of immature maize and sweetcorn (Zea mays L.) kernels for human health. Scientia Horticulturae, 272 109559. doi: 10.1016/j.scienta.2020.109559

Variation in sweetcorn kernel Zn concentration a reflection of source-sink dynamics influenced by kernel number

Cheah, Zhong Xiang, O'Hare, Tim J., Harper, Stephen M. and Bell, Michael J. (2020). Variation in sweetcorn kernel Zn concentration a reflection of source-sink dynamics influenced by kernel number. Journal of Experimental Botany, 71 (16), 4985-4992. doi: 10.1093/jxb/eraa244

Yield and postharvest qualities of two genotypes of eggplant (Solanum melongena l.) applied with different levels of chicken dung

Salas, Rosario A., Godoy, Reyda Mae R., Salas, Felix M., Menzies, Neal, Harper, Stephen and Asio, Victor B. (2020). Yield and postharvest qualities of two genotypes of eggplant (Solanum melongena l.) applied with different levels of chicken dung. EnvironmentAsia, 13 (Special Issue 1), 81-86. doi: 10.14456/ea.2020.25

Speciation and accumulation of Zn in sweetcorn kernels for genetic and agronomic biofortification programs

Cheah, Zhong Xiang, Kopittke, Peter M., Harper, Stephen M., Meyer, Gregor, O'Hare, Tim J. and Bell, Michael J. (2019). Speciation and accumulation of Zn in sweetcorn kernels for genetic and agronomic biofortification programs. Planta, 250 (1), 219-227. doi: 10.1007/s00425-019-03162-x

In situ analyses of inorganic nutrient distribution in sweetcorn and maize kernels using synchrotron-based X-ray fluorescence microscopy

Cheah, Zhong Xiang, Kopittke, Peter M., Harper, Stephen M., O’Hare, Tim J., Wang, Peng, Paterson, David J., de Jonge, Martin D. and Bell, Michael J. (2019). In situ analyses of inorganic nutrient distribution in sweetcorn and maize kernels using synchrotron-based X-ray fluorescence microscopy. Annals of Botany, 123 (3), 543-556. doi: 10.1093/aob/mcy189

Trace metal contamination during grinding of plant samples

Bich, Luong Bui, My, Hanh Phung Thi, Dinh, Rinh Pham, Minh, Trang Pham, Trong, Thang Do, Harper, Stephen, Wuhrer, Richard, Huang, Qingtao, George, Laurel, Holford, Paul, Zhao, Chen Chen, Mitchell, Christopher and Milham, Paul (2018). Trace metal contamination during grinding of plant samples. Communications in Soil Science and Plant Analysis, 50 (1), 102-107. doi: 10.1080/00103624.2018.1554671

Growth and yield response of glasshouse- and field-grown sweetpotato to nitrogen supply

Taranet, Prapa, Harper, Stephen, Kirchhof, Gunnar, Fujinuma, Ryosuke and Menzies, Neal (2017). Growth and yield response of glasshouse- and field-grown sweetpotato to nitrogen supply. Nutrient Cycling in Agroecosystems, 108 (3), 309-321. doi: 10.1007/s10705-017-9858-6

Effect of fresh green waste and green waste compost on mineral nitrogen, nitrous oxide and carbon dioxide from a Vertisol

Vaughan, Sarah M., Dalal, Ram C., Harper, Stephen M. and Menzies, Neal W. (2011). Effect of fresh green waste and green waste compost on mineral nitrogen, nitrous oxide and carbon dioxide from a Vertisol. Waste Management, 31 (8), 1720-1728. doi: 10.1016/j.wasman.2011.03.019

Characterisation of fulvic and humic acids from leaves of Eucalyptus camaldulensis and from decomposed hay

Harper, S., Kerven, G. L., Edwards, D. G. and Ostatek-Boczynski, Z. (2000). Characterisation of fulvic and humic acids from leaves of Eucalyptus camaldulensis and from decomposed hay. Soil Biology and Biochemistry, 32 (10), 1331-1336. doi: 10.1016/S0038-0717(00)00021-3

Benchmarking mineral concentration, bulb yield and quality across garlic genotypes

Nguyen, Binh , Wehr, Bernhard , O'Hare, Timothy , Menzies, Neal , Hong, Hung and Harper, Stephen (2022). Benchmarking mineral concentration, bulb yield and quality across garlic genotypes. TropAg International Agriculture Conference, Brisbane, Australia, 31 October - 2 November 2022.

Excess nitrogen application reduces root yield of Achyranthes bidentata

Nguyen, Binh, Dang, Ha, Pham, Phuong, Chu, My, Nguyen, Duyen, Phan, Hien, Wehr, Bernhard and Harper, Stephen (2021). Excess nitrogen application reduces root yield of Achyranthes bidentata. The Soil Science Australia and the New Zealand Society of Soil Science Joint Conference, Cairns, QLD Australia, 27 June - 2 July 2021.

Carotenoid profiling of orange-coloured capsicums: In search of high-zeaxanthin varieties for eye health

Agarwal, Rimjhim, Hong, Hung T., Hayward, Alice, Harper, Stephen, Mitter, Neena and O’Hare, Tim J. (2020). Carotenoid profiling of orange-coloured capsicums: In search of high-zeaxanthin varieties for eye health. 1st International Electronic Conference on Food Science and Functional Foods, Online, 10–25 November, 2020. Basel, Switzerland: MDPI. doi: 10.3390/foods_2020-07717

Orange capsicums and chillies as a potential source of dietary zeaxanthin, an important macular carotenoid for eye health

Agarwal, Rimjhim, Trieu, Hung Hong, Cave, Robyn, Harper, Stephen and O’Hare, Tim (2020). Orange capsicums and chillies as a potential source of dietary zeaxanthin, an important macular carotenoid for eye health. Third International Tropical Agriculture Conference (TROPAG 2019), Brisbane, QLD Australia, 11-13 November 2019. Basel, Switzerland: MDPI AG. doi: 10.3390/proceedings2019036161

The effect of heat treatments and drip line placements on the yield and quality of garlic

Djanie, Alina, Harper, Stephen and Cave, Robyn (2020). The effect of heat treatments and drip line placements on the yield and quality of garlic. Third International Tropical Agriculture Conference (TROPAG 2019), Brisbane, QLD, Australia, 11 - 13 November 2019.

Allicin and yield: are they friends or enemies?

Nguyen, Binh, Wehr, Bernhard, O'Hare, Timothy, Hong, Hung Trieu, Menzies, Neal and Harper, Stephen (2019). Allicin and yield: are they friends or enemies?. In: TropAg2019, Brisbane, QLD, Australia, (). 11-13 November 2019.

The relationship between bulb yield and allicin concentration in garlic varieties

Nguyen, Binh, Wehr, Bernhard, O’Hare, Timothy, Hong, Hung, Menzies, Neal and Harper, Stephen (2019). The relationship between bulb yield and allicin concentration in garlic varieties. Third International Tropical Agriculture Conference (TROPAG 2019), Brisbane, QLD, Australia, 11 - 13 November 2019. Basel, Switzerland: M D P I AG. doi: 10.3390/proceedings2019036028

Influence of rootstock on photosynthetic activity and yield of Capsicum annuum 'Warlock'

Cave, Robyn, Hall, Zara, Qin, Malin and Harper, Stephen (2016). Influence of rootstock on photosynthetic activity and yield of Capsicum annuum 'Warlock'. International Symposium on Tropical and Temperate Horticulture, Cairns, Australia, 20-25 November 2016.

Nutrient budgeting of shallot (Allium cepa L. Aggregatum group) in Central and East Java, Indonesia

Somala, M. U. A., Wibowo, A., Subandiyah, S. and Harper, S. (2016). Nutrient budgeting of shallot (Allium cepa L. Aggregatum group) in Central and East Java, Indonesia. VII International Symposium on Edible Alliaceae, Nigde, Turkey , 21 - 25 May 2015. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2016.1143.45

Responses of four shallot (Allium cepa L. Aggregatum Group) cultivars to moler disease (Fusarium spp.) after bulb treatment

Wibowo, A., Kaeni, E., Toekidjo, T., Subandiyah, S., Sulistyaningsih, E. and Harper, S. (2016). Responses of four shallot (Allium cepa L. Aggregatum Group) cultivars to moler disease (Fusarium spp.) after bulb treatment. VII International Symposium on Edible Alliaceae, Nigde, Turkey, 21 - 25 May 2015. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2016.1143.11

Selection for root morphological traits improves the growth of grafted bell pepper

Mohd Nor, N.H., Fujinuma, R., Menzies, N.W., Harper, S. and McGrath, D. (2016). Selection for root morphological traits improves the growth of grafted bell pepper. XXIX International Horticultural Congress on Horticulture: Sustaining Lives, Livelihoods and Landscapes (IHC2014): International Symposium on Plant Breeding in Horticulture, Brisbane, QLD, Australia, August 17, 2014. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/ActaHortic.2016.1127.33

Reduction of soil nitrogen losses from a Vertisol with organic waste amendments under subtropical conditions

Vaughan, Sarah M., Dalal, Ram, Harper, Stephen and Menzies, Neal (2010). Reduction of soil nitrogen losses from a Vertisol with organic waste amendments under subtropical conditions. 19th World Congress of Soil Science: Soil solutions for a changing world, Brisbane, Australia, 1-6 August 2010. Brisbane, Australia: International Union of Soil Sciences.