Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Control big weeds early”
May 22, 2019

Control big weeds early

Flixweed, shown above, presents another possible risk – as a clubroot host. This adds to the incentive to spray it early.
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May 22, 2019

Two common questions after a spring frost

Growers have two common questions after a spring frost: 1. Did the crop survive? (Do I need to reseed?) 2. When can I resume
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May 22, 2019

Tips for spraying weeds in dusty conditions

Most products are not strongly affected by dust, but two important products are very dust-sensitive: glyphosate and diquat
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Featured image for “Timing the narrow post-seeding / pre-emergence spray window”
May 22, 2019

Timing the narrow post-seeding / pre-emergence spray window

Growers who seed before spraying may choose to apply in the narrow post-seeding pre-emergence window, but consider the following risks….
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May 15, 2019

Weed spraying in challenging conditions

Most products are not strongly affected by dust, but glyphosate is an exception. What about wind? Or cold?
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Featured image for “Seeding-time decisions to improve profit”
May 8, 2019

Seeding-time decisions to improve profit

Marketing and environmental challenges often have farmers reviewing ways to best-manage inputs to improve profits. Here are common agronomy practices that can greatly influence
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May 1, 2019

Timely weed management topics

Three topics: Seed first or spray weeds?; Spraying weeds in cool conditions; Tank mix options for pre-seed burnoff.
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April 4, 2019

Canola Watch quiz – Weed management

Is your weeds management knowledge in 2019 mode? Give yourself a little test with these four questions.
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Featured image for “Tank mix options for pre-seed burnoff”
April 4, 2019

Tank mix options for pre-seed burnoff

Tank mix options for glyphosate ahead of canola are bromoxynil, Aim/CleanStart (carfentrazone), clomazone, Conquer (bromoxynil and carfentrazone) and quinclorac. Tank mixing can prevent herbicide
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Featured image for “Herbicide-resistant weeds: prevention and management”
April 4, 2019

Herbicide-resistant weeds: prevention and management

Here are tips to prevent the development and spread of glyphosate-resistant kochia (as shown in the map) and other herbicide-resistant weeds.
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Featured image for “Top 10 canola-related jobs for April”
April 4, 2019

Top 10 canola-related jobs for April

1. Prep for good seed placement. 2. Use the canola calculator to set seeding rates. 3. Know the risk of seed-placed fertilizer…and more.
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Featured image for “Biobeds: What are they and why build them?”
March 1, 2019

Biobeds: What are they and why build them?

A pesticide rinsate biobed can prevent the environmental contamination of surface and groundwater by pesticides. Instead of being disposed of directly on land, at
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