We have revised the Canadian Bt Corn Trait Tables to reflect the current potential cross resistance of corn rootworm in Ontario to all Bt-RW proteins. Here are the latest versions: English: Bt Corn Trait Table (October 2020) with Events and Resistance Status French: Tableau des caractères Bt (Octobre 2020-Français) – Évènements transgéniques et résistances For information on which hybrids or products have…
European corn borer

It’s time to get out and scout for WBC damage in dry beans. Based on trap counts we are now confident that some counties experienced peak flight the last week of July and others the first week of August. Though I will admit that some trap sites are still catching lots of moths, especially the bean trap sites. And the…

I am still hearing from people who are looking for WBC egg masses on corn leaves. But unless they are scouting very late corn that is not in tassel yet, most of the WBC will already be larvae on the tassel or more likely in the ear. So focus on scouting the ears and tassels now. But there are other…