Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Gray leaf spot and northern corn leaf blight are beginning to appear on the lower leaves on corn. This is especially true on irrigated acres. I am surprised at finding the northern leaf blight… Continue Reading
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Lima Beans Continue to scout for downy mildew. The recent weather is very favorable for downy mildew. If downy is found apply RidomilGold/Copper, Phostrol or other labeled phosphorus acid (phosphonate) fungicide. If disease has… Continue Reading
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
