Herbicide Residue Drift Injury - Canola Council of Canada
Herbicide Residue Drift Injury - Canola Council of Canada
Herbicide Residue Drift Injury - Canola Council of Canada
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Effects <strong>of</strong> Foliar-Applied Group 7 <strong>Herbicide</strong>s<br />
Effects <strong>of</strong> Foliar-Applied Group 7 <strong>Herbicide</strong>s<br />
The most common Group 7 herbicide that may cause drift damage to canola is Linuron.<br />
Chemical Family Active Ingredient Found In:<br />
Ureas Diuron Diurex 80W, Karmex XP, Krovar I DF<br />
Linuron<br />
Linuron, Lorox<br />
Always confirm active ingredients and recropping restrictions on product labels prior to use.<br />
• High concentrations <strong>of</strong> drift cause interveinal yellowing <strong>of</strong> the oldest leaves with death<br />
occurring within a few days.<br />
• Lower drift concentrations result in wilting <strong>of</strong> leaves and the development <strong>of</strong> grey<br />
blotches and yellowing <strong>of</strong> leaves. Interveinal yellowing may occur if concentration is<br />
high enough.<br />
Photo by F.A. Holm