Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Weeds: Wait for post-harvest regrowth”
September 24, 2014

Weeds: Wait for post-harvest regrowth

Fall is a good time to control perennial and winter annual weeds. The message this week includes two reminders: Wait for post-harvest regrowth. And
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Featured image for “Foxtail barley and fall weed control”
September 17, 2014

Foxtail barley and fall weed control

Foxtail barley is one weed that seems to be on the rise. Foxtail barley is best controlled in the fall, using glyphosate to manage
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Featured image for “Fall weed control on fields planned for canola”
September 4, 2014

Fall weed control on fields planned for canola

Take these steps to control fall weeds and avoid herbicide carryover damage in fields planned for canola in 2015…
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Featured image for “6 causes for missing pods”
July 30, 2014

6 causes for missing pods

Seeing stems with lots of blanks where pods should be is often cause for alarm. There are many possible factors. Here are the top
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Featured image for “Tank hang ups and spraying mishaps”
July 23, 2014

Tank hang ups and spraying mishaps

When strange patterns of damage in canola fields line up perfectly with the sprayer boom width or follow typical drift patterns, phone calls and
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Featured image for “Manage each field for its own conditions”
July 3, 2014

Manage each field for its own conditions

Canola crops side by side can have different risk factors, and often do not require the same crop management for nutrients, weeds, insects and
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Featured image for “Late herbicide: Make a balanced decision”
June 25, 2014

Late herbicide: Make a balanced decision

Late weed control significantly increases the yield loss from weed competition, and it can also damage canola plants. However, the yield and economic risks
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Featured image for “Aerial options for weed control”
June 25, 2014

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 “Weed control in fields partly seeded, partly not”
June 25, 2014

Weed control in fields partly seeded, partly not

Many fields were seeded in odd shapes because low spots could not be reached. Growers have a challenge to manage the weeds in these
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Featured image for “Second pass of herbicide: When does it make sense?”
June 18, 2014

Second pass of herbicide: When does it make sense?

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 “Weather delays and the risk from idle sprayers”
June 18, 2014

Weather delays and the risk from idle sprayers

The longer a herbicide sits in a sprayer, the greater the risk that it is going to hang up in the tank. Sprayers should
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Featured image for “Spraying tip: How to ID an inversion”
June 18, 2014

Spraying tip: How to ID an inversion

Early mornings and evenings when conditions can be the best for spraying can also be the worst because of possible air temperature inversions. Air
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