Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Northern Corn Leaf Blight and Gray Leaf Spot Northern corn leaf blight and gray leaf spot have been pretty common this season on many hybrids. The cooler season and increased rainfall in many areas… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Powdery mildew is present on some varieties. It is not a yield limiting disease and control is not warranted. See the article in WCU 17:23 for more information on this disease. Downy mildew on… Continue Reading
Joanne Whalen, Extension IPM Specialist; jwhalen@udel.edu Alfalfa Continue to sample fields on a weekly basis for leafhoppers as well as defoliators including earworm, webworms and fall armyworms. Soybeans As of this date, economic levels of corn earworm larvae have been… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu I have been seeing a great many different caterpillar species in high tunnel tomatoes in the past two weeks and damage is heavy at times (Fig. 1). The worm species consist… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu No I am not talking about some new “value added” pumpkin variety. I am referring to pumpkin plants that appear to be normal in the field up to about the third… Continue Reading
