We answer questions on weed, harvest and fertilizer management. We also have links to help with canola hybrid selection for 2022…
Frost
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The majority of the canola green seed problems in Western Canada are usually the result of frost. Even a light frost can fix the green colour by damaging the enzymes that clear the chlorophyll in higher moisture seed, preventing additional clearing regardless of how favourable weather conditions may become…
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We don’t really know how much frost (temperature, duration) would be equivalent to an application of diquat (Reglone), but we do know that in cool conditions, diquat may not actually work that well…
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Spray decisions — when to spray or whether to spray at all — will depend on leaf condition after the snow is gone…
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