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Evolved resistance to glyphosate in rigid ryegrass (Lolium rigidum) in Australia
Abstract
Following 15 yr of successful use, glyphosate failed to control a population of the widespread grass weed rigid ryegrass in Australia. This population proved to be resistant to glyphosate in pot dose-response experiments conducted outdoors, exhibiting 7- to 11-fold resistance when compared to a susceptible population. Some cross-resistance to diclofop-methyl (about 2.5-fold) was also observed. Similar levels of control of the resistant and susceptible populations were obtained following application of amitrole, chlorsulfuron, fluazifop-P-butyl, paraquat, sethoxydim, sirnazine, or tralkoxydim. The presence of glyphosate resistance in a major weed species indicates a need for changes in glyphosate use patterns.
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Citations
Cited by
Glyphosate‐resistant crops: history, status and future
Dill, G. M. (2005) · Pest Management Science · doi:10.1002/ps.1008 · Cited by 323
Molecular Biology of Weed Control
Gressel, J. (2002) · CRC Press eBooks · doi:10.1201/9781482264708 · Cited by 276
Meftaul, I. M., Venkateswarlu, K., Dharmarajan, R., Annamalai, P., Asaduzzaman, M., Parven, A., & Megharaj, M. (2020) · Environmental Pollution · doi:10.1016/j.envpol.2020.114372 · Cited by 218
(GMO), E. P. O. G. M. O. (2011) · EFSA Journal · doi:10.2903/j.efsa.2011.2480 · Cited by 19
(GMO), E. P. O. G. M. O. (2012) · EFSA Journal · doi:10.2903/j.efsa.2012.2753 · Cited by 19
Metadata
- Authors
- Powles, S. B., Lorraine-Colwill, D. F., Dellow, J. J., & Preston, C.
- Venue
- Weed Science
- Publisher
- Cambridge University Press (CUP)
- Published
- 1998-10
- Volume
- 46
- Issue
- 5
- Pages
- 604-607
- ISSN
- 0043-1745 (ISSN-L)
- 1550-2759
- OpenAlex
- W1670037165
- Cited by
- 465
- References
- 0
- FWCI
- 21.64
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Evolved resistance to glyphosate in rigid ryegrass (Lolium rigidum) in Australia. https://app.cochat.ai/papers/10.1017/s0043174500091165
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- Powles, S. B., Lorraine-Colwill, D. F., Dellow, J. J., & Preston, C. (1998). Evolved resistance to glyphosate in rigid ryegrass (Lolium rigidum) in Australia. Weed Science. https://doi.org/10.1017/s0043174500091165
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
