Southern Corn Leaf Blight

By Dr. Boyd Padgett

LSU AgCenter

I am beginning to see some southern corn leaf blight in the central region. Please find attached some pictures. The lesions are much smaller than northern corn leaf blight, The decision to apply a fungicide should be made on a field-by-field basis (disease resistant hybrid?, growth stage (beyond tasseling?), environmental conditions (disease favored by 68-90 F and high moisture).