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Downy Mildew in Cucurbits
Yellow spots on the upper surface of these pumpkin leaves
are early symptoms of downy mildew. These are not diagnostic as similar
spots can occur with other diseases, notably powdery mildew.
Photo Courtesy of M.T. McGrath, Long Island Horticultural
Research and Extension Center, Cornell University
Photo Courtesy of M.T. McGrath, Long Island Horticultural
Research and Extension Center, Cornell University
Photo courtesy of T.A. Zitter. Cornell University
Photo Courtesy of M.T. McGrath, Long Island Horticultural
Research and Extension Center, Cornell University
Photo Courtesy of M.T. McGrath, Long Island Horticultural
Research and Extension Center, Cornell University
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