Oak wilt detected in Ontario County

SOUTH BRISTOL — The New York State Department of Environmental Conservation (DEC) announced last week that oak wilt, a disease that affects oak trees, has been detected in South Bristol, Ontario County.

This is the second location in Ontario County where oak wilt has been confirmed. The disease was confirmed in the town of Canandaigua in 2016. Ontario County is one of four counties in the state that have confirmed oak wilt infections. Other counties with confirmed cases of oak wilt are Kings, Suffolk, and Schenectady counties.

A concerned landowner contacted DEC after several oak trees on their property in South Bristol began showing signs of oak wilt, including dropping discolored leaves in July and then dying rapidly. Samples from one of the trees were sent to the Cornell Plant Disease Diagnostic Clinic where they tested positive for the fungus that causes the disease. The current treatment method to contain and kill the oak wilt fungus is to remove the infected trees, as well as any nearby oaks that could become infected.

Genesse County Express

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