Thyronectria Canker of Honey Locust

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By John Hartman

Cankers promoted by drought are a concern in the Kentucky nursery industry, especially on honey locust. Thyronectria canker of honey locust is a major cause of decline of drought-stressed urban honey locusts and is also an important disease of newly planted trees, causing transplanting failure. Although honey locust is a Kentucky native, especially in the Outer Bluegrass region, the disease has little effect on trees in the forest.

Lee Townsend
Extension Entomologist

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