Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu The weather continues to be very favorable for downy mildew. It is spreading now to hosts other than cucumber. Cantaloupe, watermelon, winter squash and pumpkin have all been infected in the region. The spots… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Downy mildew continues to occur in commercial pickling cucumber fields. It is now widespread in all three counties in home gardens as well as on both slicing and pickling cucumber varieties. So far it… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Conditions continue to be favorable for downy mildew on all our cucurbits. Be sure to be including downy mildew fungicides such as Ranman, Previcur Flex, Tanos and Presidio for downy mildew control. They all… Continue Reading
From: Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu So far down mildew has been found in Sussex County in the sentinel plot at the REC only on cucumber. Other detections in the region include southern NJ, MD, and Eastern Shore VA.… 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
