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Can you identify these five green worms that can be found in canola at this time of year?…
Quiz – Green Worms 2020
July 15, 2020
Insects
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Give the plants a mid-season root check
July 15, 2020
While scouting canola fields at flowering and podding stages, dig up a few plants in each field and look at the crown and primary root. If the crop has above-ground symptoms, compare the roots of healthy and unhealthy plants. That might help you discover the problem…
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Quiz – Insect eggs
July 8, 2020
Eggs are not a target for management, but this is a fun quiz that will improve your agronomy knowledge. Look out for these when out scouting the soil or plants for other issues. This is a matching quiz – five eggs, five choices. Can you match all five?…
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Insect update
July 8, 2020
Seeing about ground symptoms? Root maggots are one possible cause. Their damage can also increase root disease infections…
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Insect update – June 24
June 24, 2020
Slugs have been found feeding on canola in wet areas of Alberta. Some fields are starting to flower – which means we have to start talking about cabbage seedpod weevils…
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Quiz – Am I too late?
June 17, 2020
Four scenarios with "Yes" or "No" answers on application timing…
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Insect Update: Flea beetle products, diamondback moth numbers
June 10, 2020
Trap counts are showing higher numbers of diamondback moths in a few areas, but this just means that the moths have arrived, and is not necessarily a cause for concern. Flea beetle scouting is more important this week…
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How to assess leaf area loss from flea beetles
June 3, 2020
The action threshold for flea beetles in canola crops in Canada is an average leaf area loss of 25 per cent or more. How do you make that assessment?…
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Tips for spraying at night
June 3, 2020
from the perspectives of herbicide uptake, efficacy and label requirements, night spraying is OK as long as weeds are not under any stress and are growing actively going into the evening…