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Ask-a-Dave's-Gardener: Black Spots on Tree Bark (Red Maple), 2 by davidericpowell

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Subject: Black Spots on Tree Bark (Red Maple)

Forum: Ask-a-Dave's-Gardener

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Photo of Black Spots on Tree Bark (Red Maple)
davidericpowell wrote:
A friend of mine has a red maple in zone 9A, and it\'s developed black spots on it\'s bark. It\'s already lost a limb and is looking really bad. Any ideas what this is and how it\'s treated. I\'m curious if it\'s a cancker. Thoughts?