Cucurbit downy mildew was recently detected on cucumbers in Michigan. Learn more about this destructive cucurbit disease at the Hausbeck Downy Mildew News webpage. In addition to this confirmation of disease development in the field, positive detection of cucurbit downy mildew spores from traps have been identified in four counties across Michigan. The qPCR results indicate that the pathogen is Clade 2, which favors cucumber and melon. At this time, pumpkins and squash are not at high risk for infection.
