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Not really. If infection got started, then this fungus is in the plant. When conditions are ideal (relative humidity over 80 per cent and temperatures of 20°C to 25°C) then pathogen grows aggressively eating up more tissue. When conditions are not ideal, the disease slows…waiting, patiently…
Canola Watch Posts
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A lot of canola companies and organizations are opting for virtual tours this year. If you have a virtual tour you’d like added to this list, please email Jay Whetter at whetterj@canolacouncil.org…
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While out scouting for insects feeding on pods, you might also find these insects at work. Each of the insects in the quiz will feed on pest insects of canola, which is why we call them "beneficials". You might also call them Field Heroes…
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Check pods for feeding from bertha armyworm, diamondback moth larvae, lygus and other pests. If any pod feeders are found, make accurate counts in at least three locations 50 metres apart in each field. Then make spray decisions based on thresholds… -
One reason... If clubroot is found, you have time to take some focused action on these areas. If the patch is small enough, pull up all the plants that have galls, then cut off the galls and dispose of them… -
CCC agronomy director Clint Jurke is looking for farmers who made the decision to spray or not spray fungicide for sclerotinia based on what a sclerotinia stem rot prediction tool – sclerotinia checklist, spore testing or weather station predictions – told them…
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The window for fungicide application closes after 50 per cent flower – which is when the field is at its most yellow. Once this “full bloom” starts to wane, spraying must stop… -
The later hail occurs in the season, the more damage it can do to yield. Canola can keep flowering to compensate from hail that occurs during flowering. And plants that……
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