Weeds

Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Herbicide mixes may be needed on HT canola”
June 5, 2013

Herbicide mixes may be needed on HT canola

Take a look at the weed spectrum in each field before heading out to spray canola. In some cases, the straight partner herbicide may
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Featured image for “Tank mixing herbicide with insecticide or fungicide”
June 5, 2013

Tank mixing herbicide with insecticide or fungicide

When spraying for weeds it may be economical to add an insecticide or fungicide to the tank mix to hit any insects or disease
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Featured image for “How many tank mixes are too many?”
June 5, 2013

How many tank mixes are too many?

Growers must take extra precaution with any tank mix that is not identified and approved on the product label. The risks with off-label tank
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Featured image for “Spraying in cool temperatures”
May 29, 2013

Spraying in cool temperatures

Applications made when cool cloudy days follow cool nights will result in lower herbicide efficacy than applications made in warm sunny days. Cloudy days
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Featured image for “Early in-crop herbicide: More profit with no added cost”
May 23, 2013

Early in-crop herbicide: More profit with no added cost

Past research has demonstrated an advantage of 3 bu./ac. for controlling weeds at the 1-2 leaf stage of canola versus the 3-4 leaf stage,
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Featured image for “General rules for mixing pesticide”
May 15, 2013

General rules for mixing pesticide

Always refer to pesticide labels for mixing instructions that may be specific to each product. Here are some general rules for mixing pesticides, taken
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Featured image for “Spray AND seed at the same time”
May 8, 2013

Spray AND seed at the same time

Canola benefits from both early seeding and early weed control. The solution: Work through seeding and spraying operations simultaneously. Have the seeder working when
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Featured image for “10 important weeds in canola”
May 8, 2013

10 important weeds in canola

The top 10 weeds in canola are: Cleavers, volunteer canola, kochia, Canada thistle, sow thistle, narrow-leaved hawk’s-beard, dandelion, wild buckwheat, stinkweed and stork’s bill.
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Featured image for “Weed questions for Clark Brenzil”
May 8, 2013

Weed questions for Clark Brenzil

Read more for answers to these questions: —Should we really be concerned about glyphosate resistance? We’ve been managing weed resistance in other Groups and
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Featured image for “It’s seeding season. Is your sprayer ready?”
May 1, 2013

It’s seeding season. Is your sprayer ready?

A pre-seed burnoff will result in higher yields versus no pre-seed burnoff. Seeding can begin fairly soon after a burnoff. For annuals and winter
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Featured image for “Volunteer canola control”
May 1, 2013

Volunteer canola control

Hit these volunteer canola plants when they’re small with a pre-seed burnoff. Volunteer canola is a weed and competes with the crop for nutrients
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Featured image for “CleanStart efficacy tips”
May 1, 2013

CleanStart efficacy tips

Nufarm provides the following tips for CleanStart ahead of canola…
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