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POWDERY MILDEW White, thread-like fungal growth develops on leaves, stems, buds and flowers, and later develops into a white to gray powdery coating that can be rubbed off with fingers. Photo by Plant Disease Clinic |
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BOTRYTIS Water-soaked lesions may appear on leaves or flowers. As disease progresses, any upper plant part may become blighted and coverd with a grey, fuzzy mold. Photo by Janna Beckerman |
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ROOT ROT Plants appear wilted and do not recover after watering. Lower leaves yellow and/or drop. Roots appear brown and mushy. Photo by Plant Disease Clinic |
