David Owens, Extension Entomologist, owensd@udel.edu Corn Scattered grasshopper populations have been reported and observed around field edges in corn. Western states use a threshold of 5 to 8 grasshoppers per square yard through R2. If using a pyrethroid, use the… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Strawberry growers should finish orders for September plasticulture strawberry plantings soon. It takes plug growers four weeks minimum to grow plants from tips. Below are recommended varieties for our region. See the… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu In the last week tomato fields in Maryland were found with the disease tomato pith necrosis. Just about all the problem tomatoes were from early planted fields. Tomato pith necrosis is… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu and Emmalea Ernest, Scientist – Vegetable & Fruit Crops; emmalea@udel.edu Summer cole crop planting for fall harvest will begin soon. The following are some common physiological disorders of cole crops to note:… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu and Emmalea Ernest, Scientist – Vegetable & Fruit Crops; emmalea@udel.edu There has been an increase in interest in the use of certain Brassica species as cover crops in vegetable rotations for biofumigation… Continue Reading
