Canola School: Assume — but verify — that kochia is resistant

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Former U.S. president Ronald Reagan popularized the phrase “trust, but verify” in the context of the Cold War, but similar logic applies in the active battle against increasingly-prevalent glyphosate-resistant kochia.

It’s a safe assumption to trust that kochia is glyphosate-resistant in much of Western Canada, but there’s still value in verifying, says Ian Epp, agronomy specialist for central/northern Saskatchewan with the Canola Council of Canada.

“Testing is still a great option. But I would assume you have it, no matter where you are for most of Western Canada,” he says.

In this Canola School episode, Epp joins RealAgriculture’s Kelvin Heppner to explain what to look for when scouting after in-crop herbicide application, how to go about submitting a sample for confirmation from a lab, and ways to reduce the risk and even hit “reset” on a field with glyphosate-resistant kochia (keep in mind kochia seeds, while plentiful, are only viable for a couple of years).

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