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First signs of diamondback moth larvae are larvae hanging from threads and feeding on leaves. Feeding damage is usually a mining of the leaf, giving the appearance of a “window……
Canola Watch Posts
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Issues of the week: July 14, 2010 — Unexplained bud browning and strange plant growth has retailers and growers in the Peace unsure of the problem. Drought stress, nutrient deficiency……
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Peace (B.C. and Alberta): Most of the Peace still needs rain. A few tenths in spots last week isn’t enough. The north got timely rains, but many canola fields in……
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Spraying for lygus bugs and cabbage seedpod weevil has begun in southern Alberta, and diamondback moth larvae are showing up in higher numbers. The critical time for diamondback moth larvae……
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An agronomist from Oakville, Manitoba, was called out to a Roundup Ready canola field in sandier soil. Many canola plants throughout the field were bent and growing horizontally. The……
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Issues of the week: July 7, 2010 — Spraying to prevent sclerotinia stem rot has begun, and flowering fields will move quickly through the spray window. Fields at 20% flower……
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Peace (B.C. and Alberta): High Prairie and north had an inch or more of rain in the past week and canola looks good. The rest of the Peace was hit……
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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……
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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?……
