Research output per year
Research output per year
Personal profile
Biography
Stephen Powles is an Emeritus Professor at the University of Western Australia. His expertise is in crop science and production with speciality in herbicide resistance in plants. Prof Powles is a Fellow of the Australian Academy of Science and the Australian Academy of Technological Science & Engineering. Prof Powles is a Web of Science Highly Cited author and has published more than 200 papers in international research journals.
Roles and responsibilities
Crops & chemicals. GM crops.
Evolution of herbicide resistance in plants.
Molecular basis of herbicide resistance.
Agronomic management of herbicide resistance.
Agricultural sustainability.
Crop science and crop productivity
Environmental stress and plant performance
Funding overview
Major funding from the Australian Research Council (ARC)and the Grains Research and Development Corporation (GRDC)
Previous positions
Director, Australian Herbicide Resistance Initiative
Managing Director, Australian Weed Management CRC, Adelaide
Professor, University of Adelaide
Postdoc, University of Paris, Saclay, France
Postdoc, Stanford University, Carnegie Plant Biology, USA.
Current projects
Molecular genetics, biochemistry, population dynamics and management of herbicide resistance.
Industrial relevance
Australian grain industry.
National and international agrichemical industry
Genetically modified crops
National and international agrichemical industry
Genetically modified crops
Teaching overview
Rainfed cropping
Research
Professor Powles has conducted and led research on many different aspects of herbicide resistance evolution.
Research extends from understanding the biochemical and molecular basis of resistance, elucidating the effect of resistance mutations on plant performance and simulation modelling, to agronomic research to manage resistance in cropping systems.
Languages
English and French
Research expertise keywords
- Crop science
- Weed science
- Agriculture
- Herbicide resistance
- Food production
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Network
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Research output
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A dinitroaniline herbicide resistance mutation can be nearly lethal to plants
Wang, Y., Han, H., Chen, J., Yu, Q., Vila-Aiub, M., Beckie, H. J. & Powles, S. B., Apr 2022, In: Pest Management Science. 78, 4, p. 1547-1554 8 p.Research output: Contribution to journal › Article › peer-review
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A naturally evolved mutation (Ser59Gly) in glutamine synthetase confers glufosinate resistance in plants
Zhang, C., Yu, Q., Han, H., Yu, C., Nyporko, A., Tian, X., Beckie, H. & Powles, S., 5 Apr 2022, In: Journal of Experimental Botany. 73, 7, p. 2251-2262 12 p.Research output: Contribution to journal › Article › peer-review
Open Access2 Citations (Web of Science) -
Harvest weed seed control: Impact on weed management in Australian grain production systems and potential role in global cropping systems
Walsh, M. J. & Powles, S. B., Mar 2022, In: Crop and Pasture Science. 73, 4, p. 313-324 12 p.Research output: Contribution to journal › Review article › peer-review
Open Access -
Target-site resistance to trifluralin is more prevalent in annual ryegrass populations from Western Australia
Chen, J., Yu, Q., Owen, M., Han, H., Patterson, E., Sayer, C. & Powles, S., Mar 2022, In: Pest Management Science. 78, 3, p. 1206-1212 7 p.Research output: Contribution to journal › Article › peer-review
2 Citations (Scopus) -
An ABCC-type transporter endowing glyphosate resistance in plants
Pan, L., Yu, Q., Wang, J., Han, H., Mao, L., Nyporko, A., Maguza, A., Fan, L., Bai, L. & Powles, S., 20 Apr 2021, In: Proceedings of the National Academy of Sciences of the United States of America. 118, 16, e2100136118.Research output: Contribution to journal › Article › peer-review
Open Access25 Citations (Web of Science)
Datasets
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Data from: Herbicide resistance-endowing ACCase gene mutations in hexaploid wild oat (Avena fatua): Insights into resistance evolution in a hexaploid species
Yu, Q. (Creator), Ahmad Hamdani, M. S. (Creator), Han, H. (Creator), Christoffers, M. J. (Creator) & Powles, S. (Creator), DRYAD, 11 Aug 2012
DOI: 10.5061/dryad.04562, https://datadryad.org/resource/doi:10.5061/dryad.04562
Dataset
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Data from: Directional selection for flowering time leads to adaptive evolution in Raphanus raphanistrum (Wild radish)
Ashworth, M. (Contributor), Walsh, M. (Contributor), Flower, K. (Contributor), Vila Aiub, M. (Contributor) & Powles, S. (Contributor), DRYAD, 7 Dec 2015
DOI: 10.5061/dryad.3j380, http://datadryad.org/stash/dataset/doi:10.5061/dryad.3j380
Dataset
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Does plasma membrane perception of 2,4-D influence auxin resistance?
Powles, S., Goggin, D. & Sayer, C.
Australian Research Council, Nufarm Limited
1/02/21 → 1/03/24
Project: Research
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A 'focus farms' study to optimize weed resistance management practices in Western Australia
Busi, R., Powles, S., Beckie, H., Mayer, L., Owen, M., Newman, P., Whisson, B., Knell, G. & Fosbery, G.
Grains Research & Development Corporation
1/01/19 → 31/12/20
Project: Research
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Elucidating trifluralin resistance in Australian major weed Lolium rigidum
Powles, S., Yu, Q. & Sayer, C.
Australian Research Council, Nufarm Limited
1/07/18 → 30/06/21
Project: Research
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Elucidating trifluralin resistance in Australian major weed Lolium rigidum
Powles, S., Yu, Q. & Sayer, C.
1/01/18 → 31/12/20
Project: Research
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Infrastructure Grants -2017 - Crop and Weed Agronomy Laboratory
Powles, S., Flower, K. & Ashworth, M.
Grains Research & Development Corporation
31/07/17 → 31/05/18
Project: Research