Jake Jones, Extension Agriculture Agent, Kent County; jgjones@udel.edu Gummy Stem blight is caused by Stagonosporopsis spp. and can occur on cucurbit crops and seedlings. It can be introduced from infected seed or seedlings, highlighting the importance of greenhouse and field… Continue Reading
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 Watermelon growth throughout Maryland and Delaware has been slow in 2016 due to cool May temperatures. However as our temperatures return to more normal levels, the crop has… Continue Reading
Nathan Kleczewski, Extension Specialist – Plant Pathology; nkleczew@udel.edu Over the past week the Plant Diagnostic Clinic has received numerous watermelon samples with disease symptoms. The following diseases have been confirmed by Nancy Gregory: Alternaria Leaf Blight Caused by the fungus… 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, stems and vines of watermelon… Continue Reading
