Cucurbit Downy Mildew Alert for Pumpkins and Winter Squash - Cooperative Extension at Highmoor Farm - University of Maine Cooperative Extension

Cucurbit downy mildew (CDM) was confirmed Sunday, August 18 on pumpkin in New Jersey. Pumpkin and winter squash growers should now regularly apply both broad-spectrum and downy mildew-targeted fungicides to their crops. Recommended broad-spectrum materials are chlorothalonil or copper, both of which are effective against both CDM and cucurbit powdery mildew. Recommended CDM-targeted materials include read more