Problem Weed Guide

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Has the adoption of genetically engineered (GE) crops resulted in more herbicide resistant weeds in Ontario?

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Should 2,4-D be used to control weeds in emerged winter wheat during the fall?

Figure 2. Winter wheat head distortion as a result of fall applied 2,4-D. Source: Dr. P.H. Sikkema, University of Guelph (Ridgetown Campus).

Controlling common burdock

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Weed ID Guide for Ontario Crops

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Fall Weed Management Tips

The spring following a fall application of glyphosate (left) compared to no application (right)

Annual rye-grass and clover sensitivity to soil applied corn herbicides

Corn shown in October with a inter-seeded annual rye-grass and crimson clover that was seeded at the 7-8 leaf over stage of corn

Herbicide Resistant Weed Maps

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Weed Inspectors Conference 2017

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Agriculture apps worth checking out

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Cashcropper App

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Steel in the field

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Response of oats (Avena sativa) to atrazine

Photo by: Byford Farms (Prince Edward County, August 2016)
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