Southern Corn RustSouthern Corn RustWatermelon leaves from last week 6/5 in Cook County. Left – showing gummy stem blight lesions. Right leaf – showing gummy stem and downy mildew symptoms (leaf edges folding in). Stem of 30 day old peanut plant showing white mold mycelium in Cook County on 6/3.Rhizoctonia in peas in Cook County 6/3.