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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 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 …

  • Location

    Australia wide

  • Organisation type

    Research funding body

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Focus areas


Technology areas

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Logo for Characteristics of disease suppressive cotton farming systems and soils understood

Characteristics of disease suppressive cotton farming systems and soils understood

Soil borne diseases continue to be one of the major constraints to cotton production. This project helps to identify soil …
  • Led by

    Cotton Research and Development Corporation (CRDC)

  • Start date

    1 Sep 2019

  • Research organisations

    Commonwealth Scientific and Industrial Research Organisation (CSIRO), Cotton Research and Development Corporation (CRDC), New South Wales Department of Primary Industries (NSW DPI), Queensland Department of Agriculture and Fisheries (QDAF), The University of Queensland (UQ), University of Southern Queensland (USQ)

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