Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
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November 9, 2016

Spraying weeds in November

Warm weather has some weeds showing and growing again. If weeds are green, leaf tissue is still relatively pliable and temperatures are relatively warm,
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October 13, 2016

Spraying weeds after frost and snow

When freezing temperatures stop fall weed control plans, snow is likely more of a help than a hindrance with respect to overall weed condition.
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September 28, 2016

Top 10: Planning for next season

In preparation for next season, here are a few field and office jobs and WHEN to start them.
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September 28, 2016

When to spray weeds in the fall?

Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results. Perennial
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September 28, 2016

Fall weed control: pre-canola options

Canola is sensitive to carryover from many herbicides. Here’s the list of products that could be used this fall on fields planned for canola
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September 14, 2016

Fall weeds: When to spray?

Fall is a good time to control perennial and winter annual weeds, but…(1) Wait for post-harvest regrowth and (2) Know the best timing for
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August 31, 2016

Weed management before and after harvest

Pre-harvest is a good time to dry down weeds to make straight combining go more smoothly. A pre-harvest application can also provide some weed
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August 4, 2016

Pre-harvest products for use in canola

Glyphosate is registered for pre-harvest perennial weed control in canola. Glyphosate is to be applied when the majority of seeds are yellow to brown
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July 27, 2016

Check suspicious weeds for herbicide resistance

Surviving weeds are growing strong and some of them — like kochia and wild oats — start to look really obvious by this time
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June 23, 2016

Herbicide issues: Late spraying, drift, carryover

Second applications applied late can reduce profitability it two ways: A competitive crop growing ahead of the weeds may not need a second application.
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June 15, 2016

Weed competition: The second application

Growers who usually spray twice may not need that second pass this year if the canopy has closed, weeds are behind the crop, and
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Featured image for “Late herbicide: Make a balanced decision”
June 15, 2016

Late herbicide: Make a balanced decision

Spraying late or at higher-than-label rates can reduce canola profits.
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