Top dressing nitrogen after 30% flowering provides very little if any economic benefit. But sulphur topdress may provide a benefit at this stage for deficient crops. Click here for more on……
Canola Watch Posts
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The decision to spray petals to prevent sclerotinia stem rot depends on 3 key questions: 1) Have conditions been moist over the past few weeks for apothecia development and survival?……
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Fungicide to protect the crop from sclerotinia stem rot infection must be applied to petals before infected petals start to drop into the canopy. Petal drop starts after 30% flower,……
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If crop staging is widely variable and if fungicide is needed to prevent sclerotinia stem rot, a split application may be worthwhile. The first application can be made when the……
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If a field has cabbage seedpod weevil and diamondback moth feeding, should economic spray thresholds be reduced to account for the combined pressure? In the case of these two species,……
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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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The Crop Diagnostic School in Carman, Manitoba will run July 6 to 9 and July 12 to 16. Lessons involving canola will cover pest management topics, including seedling diseases, sclerotinia, blackleg,……