Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu 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 fungicide applications. Begin a fungicide program when… Continue Reading
Andy Wyenandt, Assistant Extension Specialist in Vegetable Pathology, Rutgers University; wyenandt@aesop.rutgers.edu Cucurbit powdery mildew(PM) season is just around the corner! Symptoms typically begin on older, lower leaves and can spread rapidly under dry, humid conditions. Control of powdery mildew begins… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Downy mildew was diagnosed on cucumbers in both Suffolk County and Northampton County on Delmarva this week. The Suffolk County find was in a small sentinel plot, and the Northampton find was a commercial… Continue Reading
Andy Wyenandt, Assistant Extension Specialist in Vegetable Pathology, Rutgers University; wyenandt@aesop.rutgers.edu and Art Brown, Senior Associate Dean – Agriculture & Natural Resources, Rutgers University The fall is almost upon us and because of the hot, dry summer many pumpkin fields… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu The recent high-pressure system that has brought us the dry weather and low humidity has slowed the progress of any downy mildew that is present. Spray schedules could be extended if the disease is… Continue Reading
