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TAN LEAF SPOTS (Occurs frequently) Tan, circular spots on the leaves with darker borders. Photo by Chad Behrendt |
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WHITE POWDERY GROWTH (Occurs frequently) White to grey powdery growth on the leaf surface. Symptoms shown on ivy leaves would be similar to those shown on this lilac leaf. Photo by Chad J. Behrendt |
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OTHER CAUSES Other symptoms caused by chemical, animal, or environmental factors. Photo by Chad Behrendt |