Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Canopy closure: Canola vs. wheat”
June 8, 2016

Canopy closure: Canola vs. wheat

It may seem that canola grows slower than wheat, but consider what variables may influence this observation. Wheat is often seeded earlier, which is
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Featured image for “Weed control cautions for plants under heat stress”
June 8, 2016

Weed control cautions for plants under heat stress

Performance for the following canola system herbicides will drop off at the given temperatures: Glyphosate — 30°C Glufosinate — 28°C Clearfield system products —
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Featured image for “June 1 quiz – Weeds”
June 1, 2016

June 1 quiz – Weeds

Three questions provide a quick primer on in-crop herbicide timing for canola.
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Featured image for “Weeds love warm and moist conditions”
June 1, 2016

Weeds love warm and moist conditions

Wild oats and green foxtail are growing “like crazy” and rain will bring a flush of broadleaf annuals. In-crop herbicide applications are best done
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Featured image for “Strategies to improve weed control in canola”
June 1, 2016

Strategies to improve weed control in canola

This article describes specific tips for timing and rates for each canola herbicide-tolerant (HT) system.
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Featured image for “Avoid spray tank contamination — tips”
June 1, 2016

Avoid spray tank contamination — tips

Tank mixes used for pre-seed burnoff ahead of cereals often contain Group 2 and Group 14 products that can hang up in sprayer plumbing.
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Featured image for “Aerial options for weed control”
June 1, 2016

Aerial options for weed control

If weeds and crop are advancing toward the end of the application window and the ground is too soft and wet to support a
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Featured image for “Top 10 things to look for after emergence”
May 26, 2016

Top 10 things to look for after emergence

Flea beetles are just one thing to look for while scouting one to three weeks after seeding.
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Featured image for “Weed management timing — scenarios”
May 26, 2016

Weed management timing — scenarios

Early weed control is preferred because nutrient and moisture taken up by weeds means less for the crop. Weeds emerging before the crop also
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Featured image for “Spraying before a rain”
May 26, 2016

Spraying before a rain

The rainfast requirement varies by product. Here are required intervals for each common product used in HT canola systems…
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Featured image for “Tips for spraying in the wind”
May 26, 2016

Tips for spraying in the wind

How do you spray weeds in a timely fashion when every day seems too windy? Too windy, according to the Guide to Crop Protection,
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Featured image for “Weeds growing strong again”
May 18, 2016

Weeds growing strong again

Growers will be eager to seed with the return of warm weather but early weed control also remains a priority — especially for fields
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