David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Moth counts are variable in pheromone but pay attention to blacklight trap captures. Our thresholds for blacklight traps can be found here: https://www.udel.edu/academics/colleges/canr/cooperative-extension/sustainable-production/pest-management/insect-trapping/silk-stage-sweet-corn/. Blacklight traps with counts of 2 or greater on Thursday… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Squash plants that were turning yellow and wilting in the field were found to be infected with the fungus Fusarium solani f. sp. cucurbitae that causes Fusarium crown rot (figure. 1).… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu With the hot and dry weather, we have been expecting to see two spotted spider mites (TSSM) Tetranychus urticae problems in tomatoes and cucumbers (fig. 1). These pests vary in color… Continue Reading
Emmalea Ernest, Extension Fruit & Vegetable Specialist; emmalea@udel.edu By this time most warm season vegetables have already been established. However, if you are putting in plantings in late June and July, high temperatures and long, sunny days can make it… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Cucurbits Continue scouting for spider mites. Focus on the crown area and especially around non-crop habitat. For other cucurbits, squash bug and squash vine borer are both active. Squash bug control is often a 2-spray… Continue Reading
