Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa and Grass Hay Crops Continue to watch for defoliators in grass hay crops and alfalfa. Significant damage can occur in grass hay fields from true armyworm and fall armyworm. It is important to… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu In the last 3-4 weeks I have been seeing fairly substantial amounts of stink bug damage in tomatoes throughout much of Maryland with the worst being in the southern part of… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu There are several bacterial diseases that are turning up in many Maryland tomato fields this year. The wet weather we had in June (2-4X as much rain as normal) resulted in… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu Apart from recommended NPK fertility programs, growers of cabbage, broccoli, cauliflower, Brussels sprouts, kale, and collards need to pay attention to sulfur, calcium, and boron in their cole crop fertility programs. In… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Cole Crops As soon as plants are set in the field, be sure to sample for cabbage looper and diamondback larvae. A treatment will be needed before larvae move into the hearts of the… Continue Reading
