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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 “After the hail”
June 20, 2018

After the hail

How many plants recovered? Are they at early stages and at risk of heavy blackleg infection? What is the crop nutrition situation?
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Featured image for “Map of the Week – Bertha armyworm”
June 13, 2018

Map of the Week – Bertha armyworm

Growing degree days across most of the Prairies have reached the threshold for adult bertha armyworm (moth) emergence from overwintering pupae. That is 7-10
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Featured image for “Canola Watch quiz – Symptoms and causes”
June 13, 2018

Canola Watch quiz – Symptoms and causes

This quick quiz has three images showing pretty distinct symptoms. What caused them?
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June 13, 2018

Will this plant live?

A field has a large number of young canola plants that look limp, pale, chewed-up, knocked around, lifeless and sad. How can you tell
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June 13, 2018

Herbicide carryover, sprayer contamination or something else entirely?

Injury from herbicide residue in the soil can only occur in fields with a history of Group 2, 4, 5 and 14 herbicide applications.
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June 13, 2018

Tips for spraying in the wind

How do you spray weeds in a timely fashion when every day seems too windy? Here are some tips….
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Featured image for “How to use a Brown soil moisture probe”
June 13, 2018

How to use a Brown soil moisture probe

The Brown soil moisture probe indicates the depth of moist soil. This depth can indicate the inches of available moisture in the root zone.
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June 13, 2018

How to identify nutrient deficiency

In-crop fertilizer applications can rescue a deficiency situation. But what nutrients are deficient? Look for these symptoms.
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Featured image for “ICW: Gather with the world's brightest clubroot brains”
June 13, 2018

ICW: Gather with the world's brightest clubroot brains

The International Clubroot Workshop, a gathering of clubroot researchers, is August 7-9 in Edmonton. Extension specialists, municipal staff, canola growers and anyone else interested
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Featured image for “Canola Watch quiz – Scouting after emergence”
June 6, 2018

Canola Watch quiz – Scouting after emergence

Five questions (including two survey questions) on observations and actions when scouting in the first week or so after seeding.
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Featured image for “Map of the Week – general precipitation”
June 6, 2018

Map of the Week – general precipitation

Most areas of the Prairies got some rain over the past week, according to this AAFC map.
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Featured image for “Spray early: Economics of early weed control”
June 6, 2018

Spray early: Economics of early weed control

One of our Alberta agronomy specialists encountered the situation in the photo. Canola emergence was patchy in this small area, but generally good overall.
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