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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 “Drift management tips”
June 13, 2012

Drift management tips

To reduce drift, use coarse sprays and apply at lower pressure, spray with at least some wind (calm is bad), slow down, consider shrouds,
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Featured image for “Crop staging and herbicide timing”
June 13, 2012

Crop staging and herbicide timing

Rain has set back weed spraying. Early canola crops are near the end of their spray windows, even though some fields have not received
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Featured image for “N and S lost with heavy rains”
June 13, 2012

N and S lost with heavy rains

Heavy rains can increase nitrogen and sulphur leaching in lighter soils, and increase denitrification in heavier soils. While very good soil moisture conditions may
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Featured image for “Cutworm scouting and control tips”
June 13, 2012

Cutworm scouting and control tips

Cutworms can leave canola fields with bare patches, clipped plants and large chunks out of stems and leaves. Flocks of birds — crows, gulls,
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Featured image for “Diamondback larvae near thresholds in some canola”
June 13, 2012

Diamondback larvae near thresholds in some canola

Before spraying for diamondback moth larvae, make sure that: 1. Large areas within the field have reached the nominal threshold of 25% or more
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Featured image for “Disease watch: Blackleg and wirestem”
June 13, 2012

Disease watch: Blackleg and wirestem

Early blackleg infection — from the cotyledon to 3-4 leaf stages — leads to the greatest yield loss. If growers see blackleg lesions on
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Featured image for “Diamondback larvae near thresholds in some canola”
June 8, 2012

Diamondback larvae near thresholds in some canola

Add diamondback moth larvae to your early season scouting list. Growers cannot expect insecticide seed treatment to protect canola from diamondback moth larvae, so
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Featured image for “Issues of the week”
June 6, 2012

Issues of the week

2012 is a bad year for flea beetles. The flea beetle threat continues all across the Prairies. Seed treatments for canola seeded in late
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Featured image for “Photo quiz of the week”
June 6, 2012

Photo quiz of the week

What caused these bent hypocotyls? Click Read More to make your answer.
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Featured image for “Grassy weeds advancing”
June 6, 2012

Grassy weeds advancing

LL: Use high water volumes for Liberty and use the Group 1 tank mix. RR: Use the 180 ae rate of glyphosate if you
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Featured image for “How to ID insects by feeding damage”
June 6, 2012

How to ID insects by feeding damage

Diamondback moth and flea beetle damage can look similar in some cases. So can wireworm and cutworm underground feeding. Look for the damage and
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Featured image for “Tank mixing herbicide with fungicide or insecticide”
June 6, 2012

Tank mixing herbicide with fungicide or insecticide

If an insect or disease threat is present at economic thresholds and within the weed control window, applying herbicides with other pest control products
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