Downy Mildew on Melon Leaves
Downy mildew infection of muskmelon caused by Pseudoperonospora cubensis.
Photo courtesy of C.E. Thomas, USDA
Downy mildew spores
Mildew and Powdery Mildew on Melon leaf
Early lesions of downy mildew in melon usually
appear water-soaked on the underside of leaves.Photo courtesy of J. G. Kantzes, Professor Emeritus,
Department of Botany, University of Maryland