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A large branch has died on my apple tree. What could have killed it?
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More than likely a canker killed the branch on your tree. Cankers are caused by fungi, and the most common species on fruit and ornamental trees in
Areas affected by cankers will have sunken and darker, discolored bark. If you scrape the bark away, the wood underneath will be Prune out the affected limb at least 6-inches below the canker. Disinfect your pruners between each cut with a mixture of bleach and water.
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