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What to do if you suspect glyphosate
When glyphosate resistance is first suspected we advise that growers contact their local agronomist.
The following steps are then recommended:
Consider the possibility of other common causes of herbicide failure by
2. Contact one of the following members of the Australian Glyphosate Sustainability Working Group for advice on sampling suspect plants for testing and confirmation of the resistance status:
Tony Cook, NSW DPI:
Hashem, Department of Agriculture and Food Western Australia:
3. Ensure suspect plants do not set any seed.
4. If resistance is confirmed, develop a management plan for future years in consultation with an agronomist.
This guide has been produced by the Australian Glyphosate Sustainability Working Group, a collaborative initiative aimed at promoting the sustainable use of glyphosate in Australian agriculture.
The AGSWG gratefully acknowledges the support of the GRDC and Bayer CropScience, DuPont Pioneer, Dow AgroSciences, Monsanto Australia, NuFarm Australia and Syngenta Crop Protection Australia.