Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu I frequently am asked for a “good” spray program for pumpkins. This is always difficult because a spray program depends on field history (i.e. has Phytophthora crown rot… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu We are starting to see the oldest leaves (crown leaves) in watermelons, cantaloupes, squash, cucumbers, and pumpkins with large areas that are discolored (white, tan, or bronze). These leaves will be brittle… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Cucurbit downy mildew was confirmed in Dorchester and Caroline counties in Maryland on June 12. Symptoms first appeared on June 8. This downy mildew occurrence is one month… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu I talk about this every year it seems, but I still see cucumber beetle and squash bug problems at the base of growers’ cucurbit plants. So far this has been a… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Downy mildew on cucurbits has been a problem on Delmarva beginning in early July for the last few years. Good fungicides for management are available. However, last year… Continue Reading
