Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu A couple of high tunnels and even a field of tomatoes have been found with tomato spotted wilt virus in Maryland. The high tunnel finds were not too surprising but the… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu I recently received an email from a grower that was having problems with watermelon rind necrosis (also known as internal rind necrosis or bacterial rind necrosis). In my career, I have seen… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Temperatures have topped 90 °F this past week. With the high temperatures, there is potential for transplant loss due to stem heat necrosis. Late spring planted peppers are very susceptible to stem… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Calcium dominates exchange sites in soils and is rarely deficient in the soil. However, a number of calcium disorders can affect crops, even in well limed soils, including: Blossom end rot in… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Valent is introducing a new insecticide, Senstar, that has received a Delaware label. This is a combination of pyriproxyfen (Esteem and Knack) and spirotetramat (Movento). As such, it is strongest on Homopterans – aphids, whiteflies,… Continue Reading
