Diseases of Cole Crops
Bob Mulrooney, Extension Plant Pathologist; bobmul@udel.edu Downy mildew and Alternaria can be a problem in fall crops (cabbage, collards, broccoli, cauliflower, and kale). When the disease first appears, apply a fungicide every 7 to 10 days. Quadris, chlorothalonil, Cabrio, Endura… Continue Reading