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WHITE POWDERY GROWTH (Occurs frequently) White to grey powdery growth on the leaf surface. Photo by Chad J. Behrendt |
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BROWNING OF YOUNGEST LEAVES (Occurs occasionally) The youngest leaves brown from the margins inward. Photo by University of MN Extension Service |
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WILTING/DROUGHT-LIKE SYMPTOMS (Occurs infrequently) Wilting or browning of leaves on individual branches in the crown. Photo by Robert Blanchette |
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SHOOT BLIGHT (Occurs infrequently) Shoot blight affects newest growth. Photo by Janna Beckerman |
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OTHER CAUSES Other symptoms caused by chemical, animal, or environmental factors. Photo by Robert Blanchette |