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Canola Watch provides timely answers to top canola agronomy questions on diseases, insects, weeds and so much more.
Featured image for “Canola Watch Alert May 30 – Wait 3-4 days after frost”
May 31, 2011

Canola Watch Alert May 30 – Wait 3-4 days after frost

Frost hit many areas of the Prairies again on the weekend. Some areas in central Alberta reported -8 C. This followed a frosts on
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May 26, 2011

Issues of the week

Frost hit many areas of the Prairies on repeated nights over the past week. Emerged crop is at risk, especially delicate cotyledons. Wait 3
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May 26, 2011

After frost, give crops and weeds 3-4 days to recover

It can take a few days for young canola plants to recover after a frost. Even if damage looks severe, give the crop a
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May 26, 2011

Spray early in crop

Early weed control is the most economical. It reduces weed competition for nutrients and moisture, and improves yield potential for canola. In-crop weed control
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May 26, 2011

Insect update

Take a few extra minutes each day to scout emerged crop for insect damage. It could be a busy spring for flea beetles, and
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May 26, 2011

When is too late to seed canola?

Growers wondering when is too late to seed canola should consider these 4 factors: maturity of the variety, average date of first fall frost,
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May 26, 2011

Aerial seeding a last resort

If growers have to seed by plane because the field is too wet for a broadcast floater, that means it’s probably also too wet
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Featured image for “Top up nitrogen before 5-leaf stage”
May 26, 2011

Top up nitrogen before 5-leaf stage

If planning a top up fertilizer application, nitrogen must be available before the 5-leaf stage of the crop to provide the largest yield benefit.
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Featured image for “Early blackleg infection causes yield loss”
May 26, 2011

Early blackleg infection causes yield loss

Blackleg infection from the cotyledon to 3-4 leaf stages is what can cause yield loss. If growers see blackleg lesions on cotyledons or leaves
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May 26, 2011

Cutworm management tips

Canola growers should scout emerged canola crops for bare patches, holes or notches in foliage, and clipped plants — telltale signs of cutworm feeding.
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Featured image for “Issues of the week”
May 18, 2011

Issues of the week

Strong winds have dried out the top inch of soil in many parts of Alberta and western Saskatchewan. Many canola fields could use a
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Featured image for “Seeding down to moisture OK in mid May”
May 18, 2011

Seeding down to moisture OK in mid May

Seeding deep to chase moisture is rarely a good idea early in the season. That situation changes with the warm soils of mid to
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