Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Research on pollenizers for seedless watermelon production in several production regions including Delmarva, Georgia, and Indiana have shown some interesting results. The bottom line is that pollenizer selection can be as important for… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu; Mason Newark, University of Maryland; mnewark@umd.edu Gummy stem blight (caused by Didymella bryoniae) is the most important foliar disease of watermelon in Maryland and Delaware. The disease affects… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Gummy stem blight (caused by Didymella bryoniae) is the most important foliar disease of watermelon in Maryland and Delaware. The disease affects leaves (Fig. 1), stems and vines… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu The weather based forecasting program MELCAST on watermelon will begin next week. MELCAST is a weather-based spray scheduling program for anthracnose and gummy stem blight of watermelon. If… Continue Reading
Kate Everts, Vegetable Pathologist, University of Delaware and University of Maryland; keverts@umd.edu Bacterial fruit blotch (BFB) BFB of watermelon, which is caused by the bacterium Acidovorax avenae subsp. citrulli, produces large olive green to brown water-soaked lesions on fruit, making… Continue Reading
