Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu I have been seeing some ozone damage to cucurbits and, oddly, to tomatoes over the last 2 weeks or so, which is not unusual with the hot hazy conditions we are… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu and Karen Rane, Plant Diagnostician, University of Maryland rane@umd.edu Gummy stem blight (GSB) was found in an Eastern shore muskmelon field this past week. It is a cucurbit disease caused by… Continue Reading
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 Maryland; keverts@umd.edu All cucurbits, including watermelon and cantaloupe, are hosts of root knot nematodes (RKN). RKN are plant pathogenic roundworms, which live in the soil. Although many other species of nematodes are nonpathogenic to… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Striped cucumber beetles (Acalymma vittatum) (SCB) are the most important insect pests of muskmelon and cucumbers in our area. They overwinter as adults and emerge when temperatures reach 54–62°F at which… Continue Reading
