Cabbage seedpod weevil adults have arrived and are feeding on volunteer canola at the bloom stage in southern Alberta and southwest Saskatchewan. Weevils move to canola fields at the bud to early flower stages. Growers should start scouting…
Canola Watch Posts
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Volunteer canola that is done flowering will have already produced a large amount of viable seed. Unfortunately, controlling plants at this stage of growth will do little to reduce the viability of those seeds…
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Many canola fields are under stress from excess water. A fertilizer top up may help, but hold off until the ground dries up and the crop starts actively growing again……
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Peace (B.C. and Alberta): South and central Peace regions got a lot of rain in the past week, with accumulations of 4” to 7”. Canola in low areas is yellowing……
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Herbicide labels say that glyphosate and Odyssey cannot be applied to canola after the 6-leaf stage and Liberty cannot be applied after early bolting. These limits are in place to ensure effective product performance and crop safety. Later applications can lead to reduced weed control due to advanced weed staging and reduced herbicide contact with the weeds through the increased…
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Lygus bugs are feeding on canola in the Peace River region and in some parts of central Alberta. Insecticide control at the bud stage is rarely effective or economical. Under good growing conditions, canola can grow through this early damage without any yield loss. Instead of spraying, step up monitoring and proper sweep net sampling and be ready to take…
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Canada’s crop protection rules allow growers to tank mix two products as long as they are both registered for the crop in question and at the timing and rates used. But these rules do not ensure these products can be mixed without problems in the tank (they may create a gummy mixture that ruins the sprayer) or without antagonizing each…
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