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Diamondback moth larvae have arrived
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……
Latest Issue | November 13 2024, Issue 27
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Identify the problem, then act
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…… -
Crop and weather update:
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…… -
Quick hitters
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…… -
Root rot suspected in wet Manitoba field
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…… -
Sclerotina control at 20% bloom
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…… -
Crop and weather update:
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…… -
Quick Hitters
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…… -
Sclerotinia management: 3 key points
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?……
