…canola from before emergence (cutwoms, for example) and all the way through to harvest (bertha armyworms, for example). Insects often leave fairly obvious feeding patterns and they are usually found…
Read more…and a shovel in your truck or swather to assess possible damage from these diseases. Canola pests such as cabbage seedpod weevil, lygus bugs, flea beetles and bertha armyworm are…
Read more…Wuchner Diamondback moth larvae and grasshoppers have been reported, but so far nothing of widespread significance. Bertha armyworm adult traps are coming down with very little in the way of…
Read more…not sprayed, it probably should have been. Look for other insect damage to pods. Debarked pods (indicating bertha armyworm feeding), larger holes in pods (which could be from diamondback feeding…
Read more…of the Week – Bertha armyworm counts Saskatchewan: Map of the Week – Bertha armyworm counts Alberta: The new Combine Optimization Tool To read all of last week’s Canola Watch,…
Read more…provide a review of thresholds. Bertha armyworm. Credit: Justine Cornelsen 1. When considering spray thresholds, which of these tools would you use to count bertha armyworms? Clippers Hand trowel Sweep…
Read more…to drop below -7 C for a sustained period to reduce survival of Bertha armyworm pupae. Photo source: MAFRI Bertha armyworm. Studies have shown that cold soil temperatures, which can…
Read more…lygus bug. Spraying for Bertha armyworm is wrapping up in most areas but is still occurring in southeastern Saskatchewan. Populations below threshold are being monitored in north central Alberta (around…
Read more…giving farmers a chance to identify bertha armyworm, diamondback moth and aphids as well as their feeding patterns. Cages of beneficials gave the entomologists a chance to talk about the…
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