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What's killing the oak trees?

December 5, 2019
pigula branch

Q. In 22 years I’ve had more than a dozen oaks die because of a grub or larvae. Symptoms: First the leaves die and turn brown at the top of the tree. It slowly spreads down the tree until all the leaves are brown and have fallen off. Then the bark begins to peel away from the trunk, and then it falls off pieces at a time. You can see where it cuts off the water supply to the tree. It spreads from tree to tree, usually the closest to the one affected. It may be nine months total time before the tree dies. I’m sure this is spreading in the forest behind my house. – E.P., DeMotte, Indiana

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