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I have a stand of scrub oak trees in my front yard with large growths on the trunks and branches on the trees. Do you know what this is and what I can do about them?
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I can't say what those large growths might be. I would probably need to see a photo or a limb to make a diagnosis. Take a look at this USU Extension publication about Gambel oak trees and see if anything in it could be what you're seeing.
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