Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Downy mildew is active in both Maryland and Delaware on cucumber and cantaloupe (muskmelon). Muskmelon was first reported in the past week. Powdery mildew is also present on… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu There are many new fungicide products for management of powdery mildew on cucurbits such as pumpkin, squash, cucumber and melon. Last year we conducted a trial at the… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Downy mildew on cucumber has been reported in Delaware and Maryland as of July 3. However, our region remains at high risk for onset of downy mildew on… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu With the hot, humid weather, we are starting to see evidence of air pollution damage in sensitive vegetable plants. Vegetables most susceptible to air pollution include potatoes, watermelons, cantaloupes, snap beans, pumpkins,… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We are seeing problems with melon leaf yellowing again this year. This is a common problem in muskmelons and specialty melons. There are several potential causes. If the yellowing is on leaf… Continue Reading
