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Growers in some areas are spraying for late season insects, including lygus, bertha armyworm and diamondback moth. Make sure to scout…
Insect update
August 4, 2011
Cabbage seedpod weevil
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Insect update
July 7, 2011
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…
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Insect update: Lygus bugs and cabbage seedpod weevil
June 29, 2011
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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Insect update
June 22, 2011
Flea beetle spraying continues in Manitoba where crops are advancing slowly due to excess rain and limited warmth. Redbacked cutworms are still causing severe damage in southern Alberta. Some sprayed fields need to be reseeded…