Donn Cooper June 20, 2014 Production Downy Mildew "Epidemic" in Georgia Watermelons Donn Cooper June 20, 2014 Production “Typically you see dark, almost black, angular lesions. Sometimes there will be some chlorosis surrounding those lesions, and many leaves will curl up on themselves and produce a ‘fiddlehead-shaped’ leaf. ” — Dr. David Langston, UGA Plant Pathology