David Owens, Extension Entomologist, owensd@udel.edu Soybean Continue scouting full season soybeans for stink bugs, particularly those fields that are fairly narrow and with a large, wooded perimeter. We sampled over a dozen fields this week and encountered significant stink bug… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Scout grape vines for spotted lanternfly. Look also for signs of their presence: thick honeydew and sooty mold as well as wasp, bee, fly, and butterfly activity where honeydew collects. The thresholds are around 10… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Corn earworm trap counts are high. During the first 10 days of silking with temperatures above 82 degrees, a 2 day spray schedule following a pyrethroid and a 3 day spray schedule following… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu and Karen Rane, Plant Diagnostician, University of Maryland rane@umd.edu Corky root is caused by the fungus Pyrenochaeta lycopersici. Tomato plants affected with corky root may appear stunted and generally lack vigor. Later the… Continue Reading
