Managing Pre-Harvest Glyphosate Application

Aug 04, 2021

Canola growers are being reminded that pre-harvest glyphosate applications should be carefully managed to help ensure crops meet the needs of domestic and export customers.

Applying pre-harvest glyphosate for weed control too early can result in unacceptable product residues in harvested grain, which can create market risk.

Where allowed, pre-harvest glyphosate should only be applied for weed control once grain moisture is less than 30 per cent in the least mature part of the field.

Justine Cornelsen is an Agronomy Specialist with the Canola Council of Canada.

"Understanding your pre-harvest intervals is extremely important, especially on a market aspect. Any product you're using, make sure that you know it's PHI (pre-harvest intervals) and are focused in to that," she said.

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