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Can patches of glyphosate-resistant Echinochloa colona be eradicated?

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Werth, J., Thornby, D., Keenan, M. and Chauhan, B. S. (2015) Can patches of glyphosate-resistant Echinochloa colona be eradicated? In: 2nd Australian Cotton Research Conference, Toowoomba.

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Glyphosate-resistant Echinochloa colona L. (Link) is becoming common in non-irrigated cotton systems.
Echinochloa colona is a small seeded species that is not wind-blown and has a relatively short seed bank life. These characteristics make it a potential candidate to attempt to eradicate populations resistant to glyphosate when they are detected. A long term systems experiment was developed to determine the feasibility of attempting to eradicate glyphosate resistant populations in the field. After three seasons, the established Best Management Practice (BMP) strategy of two non-glyphosate actions in crop and fallow have been sufficient to significantly reduce the numbers of plants emerging, and remaining at the end of the season compared to the glyphosate only treatment. Additional eradication treatments showed slight improvement on the BMP strategy, however to date these improvements are not significant. The importance of additional eradication tactics are expected to become more noticeable as the seed bank gets driven down in subsequent seasons.

Item Type:Conference or Workshop Item (Paper)
Business groups:Crop and Food Science
Subjects:Plant culture > Field crops > Textile and fibre plants
Plant pests and diseases
Live Archive:21 Jul 2016 05:15
Last Modified:03 Sep 2021 16:50

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