The Q&A Archives: oak wilt

Question: is there any way to make trees more immune to oak wilt?

Answer: We all wish there were! As you may know, there is no control for oak wilt, which is a fungus spread by insects, pruning tools, and possibly squirrels. The red oak appears to be the most susceptible, while the white oak appears quite resistant. The prevalent recommendation is to cut down infected trees to prevent disease spread. The fungus appears to be most infectious in early spring, so pruning should be delayed until July or later to prevent spreading any spores through the pruning process. Good luck with your trees!

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