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Staying ahead of weed evolution in changing cotton systems

The overall aim of this project is to minimise the adverse impacts of glyphosate-resistant weeds or potential impacts of multiple-resistant weeds on the cotton industry. This will be achieved by firstly increasing our knowledge of glyphosate-resistant and multiple-resistant weeds through an understanding of the drivers for resistance in current and future cotton farming systems. Following this, new tactics for weed control in future herbicide-tolerant cotton crops will be evaluated.

Finally, new management strategies for glyphosate-resistant weeds and to avoid multiple herbicide resistance will be developed. The research will integrate studies on weed ecology, glyphosate-resistance mechanisms, and both chemical and non-chemical control tactics, using molecular tools and gene expression, spatial modelling, risk assessments, and in-depth pot and field experiments on key weeds. In addition to development of improved management strategies, a decision support tool with the ability to evaluate weed control economics and a weed identification app will lead to improved practices for managing herbicide resistant weeds.

Project date

1 Jul 2014-31 Dec 2019
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Principal investigator

Jeff Werth and Bhagirath Chauhan

Project led by

Cotton

Cotton Research and Development Corporation (CRDC)

The Cotton Research and Development Corporation (CRDC) delivers outcomes in cotton research, development and extension (RD&E) for the Australian …

Cotton
  • Location

    Australia

  • Organisation type

    Research funding body

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Focus areas

Industries

Technology areas

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  • Start date

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  • Research organisation

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