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Discoloration on Oak Leaves may be Caused by Bur Oak Blight

Late summer/early fall is the time of the year when leaves of bur oaks in Iowa are showing V-shaped brown discoloration and browning of the leaf veins. The affected leaves eventually die and fall to the ground or hang dead on the twigs through the winter and into the following year. The disease may affect the entire tree and if only a portion of the tree is affected, the disease is generally most severe in the bottom of the tree. Read more about Discoloration on Oak Leaves may be Caused by Bur Oak Blight

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