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BRANCH OR TRUNK SWELLINGS (Occurs occasionally) Woody galls on branches or trunk. Photo by Chad J. Behrendt |
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DISCOLORATION OF INNER WOOD (Occurs frequently) Inner wood of branches or trunk is stained brown. Photo by Chad J. Behrendt |
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DISCOLORATION OF BARK (Occurs frequently) Bleached streaks or columns running down the bark of the branches and trunk. Photo by Plant Disease Clinic |
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DIEBACK OR DROUGHT-LIKE SYMPTOMS (Occurs frequently) Wilting or dieback of individual branches in the crown. Photo by Robert Blanchette |
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OTHER CAUSES Other symptoms caused by chemical, animal, or environmental factors. Photo by Chad J. Behrendt |