David Owens, Extension Entomologist, owensd@udel.edu Corn Pay attention to the silks in fields that have Japanese beetle history. Treatment is warranted if 1-2 beetles per ear are present and they have clipped silks back to ½ inch, and ears are… Continue Reading
Jerry Brust, IPM Vegetable Specialist, University of Maryland; jbrust@umd.edu and Karen Rane, Plant Diagnostician, University of Maryland rane@umd.edu We don’t see many samples of celery in the lab and are rarely called out to look at problems with it, but… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu The first harvest of watermelons has started in the region. Irregular ripening is a common problem that occurs in some watermelon fields each year. This is where varieties planted at the same… Continue Reading
Gordon Johnson, Extension Vegetable & Fruit Specialist; gcjohn@udel.edu July is the month that we see the highest temperatures and often have cloud free, high light intensity days and long day lengths. Under these conditions, good leaf cover is essential for… Continue Reading
David Owens, Extension Entomologist, owensd@udel.edu Sweet Corn Third instar and some fourth instar armyworm are present in sweet corn in the state. Begin scouting all whorl stage sweet corn for armyworm infestation. Armyworm can be spotty. Females lay egg masses… Continue Reading
