Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Powdery mildew is a problem on cucurbits each year. All cucurbits are susceptible, however host plant resistance in many cucumber and cantaloupe cultivars has successfully managed the problem.… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu In 2010 a multi-state project including DE, PA, MD, VA, NY and NJ was undertaken to determine the extent of resistance to fungicides for powdery mildew control in cucurbits. Plants of a susceptible pumpkin… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Powdery mildew is beginning to get established on cantaloupes now. Include fungicides for powdery in your spray programs. See the article titled ‘Powdery Mildew on Cucurbits’ in WCU 18:15 for more information. Powdery mildew… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Cucurbit Downy Mildew We are at minimal risk at the present but keep up to date by checking the ipm PIPE website http://cdm.ipmpipe.org regularly for updates. Downy mildew was found in New York state… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Continue to scout cucurbits for powdery mildew. Symptoms typically begin on older, lower leaves and can spread rapidly under dry, humid conditions. Control of powdery mildew begins with regular scouting for symptoms and weekly… Continue Reading
