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Grasshoppers, particularly the two-striped, clearwing, migratory and Packard’s species, can pose a significant threat to canola crops on the Canadian Prairies. This article describes the steps for grasshopper management in……
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This article has tips for better canola crop establishment and tips to improve results for in-crop insecticide applications…
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Sweep net for lygus at late flowering and podding stages. Count adults and late instars. The standard threshold is 20-30 per 10 sweeps…
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Spraying is rarely recommended before the canola crop reaches 10% flowering stage. Three reasons to wait are…
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Slow-growing crops under intense flea beetle pressure may require foliar insecticide. Here are 8 steps to make the spray decision… -
The action threshold for flea beetles in canola in Canada is an average leaf area loss of 25 per cent or more. To make that assessment…
