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DYING LEAVES ON INDIVIDUAL BRANCHES (Occurs occasionally) Wilting or browning of leaves on individual branches. Photo by U of MN Extension Service |
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LEAF SPOTS (Occurs occasionally) Red to brown leaf spots turn gray to tan as they age. Photo by Chad Behrendt |
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WHITE POWDERY GROWTH (Occurs frequently) White to grey powdery growth on the leaf surface. Photo by Janna Beckerman |
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DARK COATING ON LEAVES (Occurs occasionally) Black, sooty growth on leaves that can be rubbed off. Photo by U of MN Extension Service |
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OTHER CAUSES Other symptoms caused by chemical, animal, or environmental factors. Photo by Chad Behrendt |