CSPW timing: When is it too late?

Grasshoppers. If populations are significant and crop feeding has begun, a spray or bait application around field edges may be enough to reduce the threat. Grasshoppers are easier to manage…

With earliest canola fields starting to flower in southern Alberta and southwest Saskatchewan, cabbage seedpod weevil scouting season begins. Here is the forecast map for 2018 based on 2017 surveys.…

Cabbage seedpod weevils do most of their damage by laying eggs in young pods. Larvae emerging from these eggs eat seeds inside the pods, causing the yield loss that can…

Cabbage seedpod weevils will feed on buds, but spraying is rarely recommended before 10% bloom. That’s because (1) economic loss from cabbage seedpod weevils (CSPW) is due almost entirely from…