Overview
Availability
- Dr Stephen Harper is:
- Available for supervision
Qualifications
- Bachelor of Agricultural Science, The University of Queensland
- Masters (Coursework), The University of Queensland
- Doctor of Philosophy, The University of Queensland
Works
Search Professor Stephen Harper’s works on UQ eSpace
2021
Conference Publication
Growth, yield, and postharvest quality of cabbage (Brassica oleracea L.) in response to different levels of nitrogen fertilizer
Gonzaga, A.B., Gonzaga, N.R., Pepito, S.L.A., Octavio, R.I. and Harper, S.M. (2021). Growth, yield, and postharvest quality of cabbage (Brassica oleracea L.) in response to different levels of nitrogen fertilizer. III Asian Horticultural Congress - AHC2020, Bangkok, Thailand, 15-17 December 2020. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2021.1312.57
2020
Conference Publication
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
2020
Journal Article
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
2020
Journal Article
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
2020
Conference Publication
Elevated zinc concentration in zeaxanthin-biofortified sweetcorn kernels compared with a commercial hybrid
Cheah, Z. X., Harper, S. M., O’Hare, T. J. and Bell, M. J. (2020). Elevated zinc concentration in zeaxanthin-biofortified sweetcorn kernels compared with a commercial hybrid. XXX International Horticultural Congress IHC2018: International Symposium on Fruit and Vegetables for Processing, International Symposium on Quality and Safety of Horticultural Products and VII International Symposium on Human Health Effects of Fruits and Vegetables, Istanbul, Turkey, 12-16 August 2020. Leuven, Belgium: International Society for Horticultural Science. doi: 10.17660/actahortic.2020.1292.53
2020
Journal Article
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
2020
Conference Publication
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
2020
Journal Article
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
2020
Conference Publication
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. Basel Switzerland: MDPI. doi: 10.3390/proceedings2019036120
2019
Journal Article
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
2019
Journal Article
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
2019
Conference Publication
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?. TropAg2019, Brisbane, QLD, Australia, 11-13 November 2019.
2019
Conference Publication
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
2018
Journal Article
Identification of purple blotch pathogen of shallot by PCR using specific primer for Alternaria genus
Hahuly, Mayavira V., Sumardiyono, Christanti, Wibowo, Arif, Subandiyah, Siti and Harper, Stephen (2018). Identification of purple blotch pathogen of shallot by PCR using specific primer for Alternaria genus. Archives of Phytopathology and Plant Protection, 51 (3-4), 103-121. doi: 10.1080/03235408.2017.1384196
2018
Journal Article
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
2017
Journal Article
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
2016
Conference Publication
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
2016
Conference Publication
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
2016
Conference Publication
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
2016
Conference Publication
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.
Supervision
Availability
- Dr Stephen Harper is:
- Available for supervision
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Supervision history
Current supervision
-
Doctor Philosophy
Genotypic responses of capsicum to copper toxicity
Principal Advisor
Other advisors: Professor Peter Kopittke
-
Doctor Philosophy
Soil fertility constraints to vegetable production on tropical upland acidic soils
Principal Advisor
Other advisors: Professor Peter Kopittke
-
Doctor Philosophy
Factors controlling nutrient use efficiency across a range of capsicum germplasm
Principal Advisor
Other advisors: Professor Peter Kopittke
-
Doctor Philosophy
Copper contamination and the response of vegetable species
Principal Advisor
Other advisors: Professor Peter Kopittke
-
Doctor Philosophy
Impact of metal ions on acidic vegetable production soils.
Principal Advisor
Other advisors: Professor Peter Kopittke
Completed supervision
-
2023
Doctor Philosophy
Virus-infected garlic in Australia and factors affecting disease epidemiology
Associate Advisor
Other advisors: Professor Andrew Geering
-
2023
Doctor Philosophy
Evaluation of environmental, genotypic and nutritional factors influencing yield and quality of garlic
Associate Advisor
Other advisors: Dr Bernhard Wehr
-
2023
Doctor Philosophy
Understanding the mechanism responsible for zeaxanthin accumulation in orange-coloured Capsicum.
Associate Advisor
Other advisors: Dr Alice Hayward
-
2020
Doctor Philosophy
Genetic and agronomic biofortification of zinc in sweetcorn
Associate Advisor
Other advisors: Professor Michael Bell
-
2020
Master Philosophy
The Effects of Low pH and Aluminium Toxicity on Pythium Damping-off in Cucumber
Associate Advisor
Other advisors: Professor Victor Galea
-
2013
Doctor Philosophy
Reduction of nitrogen loss from intensive horticultural systems in the sub-tropics using organic waste amendments
Associate Advisor
Other advisors: Adjunct Professor Ram Dalal AM
-
2013
Master Philosophy
Nitrogen use efficiency of tomato: Role of root system morphological traits
Associate Advisor
Other advisors: Professor Peter Kopittke
Media
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