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
Recent external collaboration on country level. Dive into details by clicking on the dots.
Research Output
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A Val-202-Phe α-tubulin mutation and enhanced metabolism confer dinitroaniline resistance in a single Lolium rigidum population
Chen, J., Chu, Z., Han, H., Goggin, D. E., Yu, Q., Sayer, C. & Powles, S. B., Feb 2020, In : Pest Management Science. 76, 2, p. 645-652 8 p.Research output: Contribution to journal › Article
Open Access6 Citations (Scopus) -
Cinmethylin controls multiple herbicide-resistant Lolium rigidum and its wheat selectivity is P450-based
Busi, R., Dayan, F. E., Francis, I., Goggin, D., Lerchl, J., Porri, A., Powles, S. B., Sun, C. & Beckie, H. J., 1 Aug 2020, In : Pest Management Science. 76, 8, p. 2601-2608 8 p.Research output: Contribution to journal › Article
2 Citations (Scopus) -
Cytochrome P450 CYP81A10v7 in Lolium rigidum confers metabolic resistance to herbicides across at least five modes of action
Han, H., Yu, Q., Beffa, R., González, S., Maiwald, F., Wang, J. & Powles, S. B., 24 Oct 2020, In : Plant Journal.Research output: Contribution to journal › Article
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Diversity of α-tubulin transcripts in Lolium rigidum
Chen, J., Chu, Z., Han, H., Patterson, E., Yu, Q. & Powles, S., 29 Sep 2020, In : Pest Management Science.Research output: Contribution to journal › Article
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Exploring quinclorac resistance mechanisms in Echinochloa crus-pavonis from China
Yang, X., Han, H., Cao, J., Li, Y., Yu, Q. & Powles, S. B., 11 Jul 2020, In : Pest Management Science.Research output: Contribution to journal › Article
Datasets
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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. J. (Contributor), Flower, K. (Contributor), Vila Aiub, M. (Contributor) & Powles, S. (Contributor), Dryad Digital Repository, 7 Dec 2015
DOI: 10.5061/dryad.3j380, http://datadryad.org/stash/dataset/doi:10.5061/dryad.3j380
Dataset
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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 Digital Repository, 11 Aug 2012
DOI: 10.5061/dryad.04562, https://datadryad.org/resource/doi:10.5061/dryad.04562
Dataset
Projects
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Elucidating trifluralin resistance in Australian major weed Lolium rigidum
Powles, S., Yu, Q. & Sayer, C.
Australian Research Council, Nufarm Limited
1/01/18 → 30/06/21
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 (GRDC)
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.
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 (GRDC)
31/07/17 → 31/05/18
Project: Research
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Australian Herbicide Resistance Initiative - Phase 5
Powles, S., Walsh, M., Yu, Q., Busi, R. & Guzzomi, A.
Grains Research & Development Corporation (GRDC)
1/07/15 → 30/06/20
Project: Research