Cucurbit Downy Mildew on Butternut Squash

Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu

Cucurbit downy mildew now prevalent on butternut squash in the mid-Atlantic area. It has been confirmed in Prince George’s and Wicomico counties in Maryland, and Sussex County Delaware, and is likely present in all butternut squash plantings. Growers throughout the region should manage this disease if fruit are still ripening.