Alyssa Koehler, Extension Field Crops Pathologist; akoehler@udel.edu Field Corn Grey leaf spot (GLS) has remained the primary disease showing up in corn. If GLS lesions are becoming widespread in corn that is already past R3, yield potential should not be… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sorghum Begin scouting this week for sugarcane aphid and corn earworm. So far we have not yet detected white sugarcane aphids from the 5 fields we have been looking at. There are two other aphid… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Early August is the time to collect leaf samples for nutrient analysis in tree fruits, grapes, and blueberries. As shoots grow and leaves age, nutrient concentrations change. Mid-summer is the standard time… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Over the last few weeks in almost all of the tomato fields I’ve been in have rain check on the tomato fruit (Fig. 1). Rain check is the many, tiny concentric… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu Over the past few weeks I have gotten reports of and have seen vegetable (mostly tomato, but also pepper crucifers, cucurbits and small fruit) fields throughout the Mid-Atlantic having problems with… Continue Reading
