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The preharvest interval (PHI) refers to the number of days that the crop should not be harvested after application of a pesticide. Harvest in this context means cutting or swathing.……
Canola Watch Posts
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At this time of year (as the canola crop finishes flowering and begins to pod), often stressed or affected patches appear within the field. These patches are often most noticeable……
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If warm, dry conditions prevail, cutting of the earliest canola fields may begin within about three weeks. After flowering (pod filling) is a good time to assess yield potential leading……
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As bins are prepared for the coming harvest, keep in mind that using malathion on canola seed or in canola storage bins will result in detectable levels of malathion residue……
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Warm and Dry Relatively warm temperatures occurred across much of western Canada last week with very little precipitation. Much of the Prairies are dry and require additional moisture soon with……
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Thunderstorms last week and over the weekend brought hail to a number of locations again. Mid-season hail damage not only causes physical injury on the plant but is also a……
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Late-seeded and re-seeded canola fields are beginning to flower. These fields should now be assessed for risk to sclerotinia stem rot infection to determine if a fungicide application will be……
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This year has certainly been challenging for canola production and as a result, crop staging is wide ranging in some fields. Should a fungicide be applied now when the oldest……
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Bertha armyworm traps continue to be used for monitoring but so far numbers caught in Manitoba and Alberta indicate the risk is low. However, trap numbers in a few locations……