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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 “How to count plants (and reasons for low numbers)”
June 10, 2020

How to count plants (and reasons for low numbers)

Plant counts help quantify the success of canola plant establishment in each field. If counts are less than expected, the article also lists common
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Featured image for “Last chance for blackleg control”
June 10, 2020

Last chance for blackleg control

Fungicide is probably not necessary in a field with at least a two-year break between canola crops, blackleg-resistant varieties and rotation of genetics. But
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Featured image for “Insect Update: Flea beetle products, diamondback moth numbers”
June 10, 2020

Insect Update: Flea beetle products, diamondback moth numbers

Trap counts are showing higher numbers of diamondback moths in a few areas, but this just means that the moths have arrived, and is
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Featured image for “Spraying situations: Timely topics”
June 10, 2020

Spraying situations: Timely topics

Situations…Lots of weeds and they’re growing fast. Spraying at night to dodge heavy winds. Scouting shows escapes of efficacy issues. Tank mix makes a
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Featured image for “Does available nutrient match yield potential?”
June 10, 2020

Does available nutrient match yield potential?

The ideal time for nitrogen is any time up to the six-leaf stage to make sure fertilizer in place before the crop needs it.
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Featured image for “Seedling survival in waterlogged fields”
June 10, 2020

Seedling survival in waterlogged fields

Wet soils cause an oxygen deficiency, which reduces root respiration and growth. Root failure reduces nutrient uptake, and plants will eventually die unless drowned
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Featured image for “Quiz – To spray or not to spray”
June 3, 2020

Quiz – To spray or not to spray

What would you do – spray or not spray – in the four scenarios outlined in this quiz?
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Featured image for “How to assess leaf area loss from flea beetles”
June 3, 2020

How to assess leaf area loss from flea beetles

The action threshold for flea beetles in canola crops in Canada is an average leaf area loss of 25 per cent or more. How
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Featured image for “Podcast & Video – Seedling disease complex”
June 3, 2020

Podcast & Video – Seedling disease complex

Pythium species, Fusarium species and Rhizoctonia solani – the “three amigos” – can cause seed rots, root rots and stem decay on young canola
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Featured image for “Tips for spraying at night”
June 3, 2020

Tips for spraying at night

from the perspectives of herbicide uptake, efficacy and label requirements, night spraying is OK as long as weeds are not under any stress and
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Featured image for “Will a fertilizer top-dress pay off?”
June 3, 2020

Will a fertilizer top-dress pay off?

Canola fields may benefit from a top-dress application of nitrogen or sulphur (or both) if logistics and weather prevented the full recommended application of
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Featured image for “Do I have time to check the bins?”
June 3, 2020

Do I have time to check the bins?

Any canola in storage should be checked – just to make sure it’s safe. Reports of heating bins are trickling in this week.
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