University of Guelph Resistant Weeds Weeds Department of Plant Agriculture
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Resistant Weed Species
Find out which resistant weed species exist in your region.

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Control Options
See how to properly manage and control resistant weeds.

» Group II Resistance in Soybeans
» Control of Glyphosate Resistant Fleabane

Understanding Resistance
Learn more about glyphosate resistance and what you can do about it.

» Understanding glyphosate resistance
» Understanding glyphosate to increase performance

Weed Testing
The University of Guelph will test, free of charge, suspected resistant weeds. Click the link below for complete submission instructions.

» More information

New Content!

12.11.2009

Welcome!

Welcome to the new website for the Resistant Weeds group at the University of Guelph. Our mission is to provide Ontario's Crop Producers and Crop Consultants with the most current tools and resources necessary to prevent and manage herbicide resistant weeds in Field Crops.



Department of Plant Agriculture