Oak wilt can quickly kill trees in the red oak family. The fungus can be carried by beetles during the spring and summer, so don’t prune trees from April 15-July 15 to protect them from disease.

Healthy oak trees are not susceptible to oak wilt in an infected area. Bur oak, white oak and other members of the white oak family are resistant to the fungus and can be planted in oak wilt centers.

The next potential threat facing Niagara County’s trees could make the jump from across the border. Trees in Canada’s Niagara Region have been infected with oak wilt, a fungal disease that means ...

Oak wilt’s onset can be confused with other more common issues, such as drought stress, leaf loss from spongy-moth caterpillars, and diseases such as anthracnose and bacterial leaf scorch.

Oak wilt radiates out to other oak trees, but advances at a slower pace, but even then, can cause tree death in a single season, and often in a matter of weeks.

Oak wilt is one of the deadliest tree diseases in the U.S., responsible for killing millions of trees across 76 counties in Texas, according to the forest service.

Iowa DNR District Forester Jeff Seago cuts a sample branch from red oak trees to test for a potential case of Oak Wilt disease on Clayton Ohrt's property in rural Rowley on Wednesday, September 3 ...

The fungus can be carried by beetles during the spring and summer, so don’t prune trees from April 15-July 15 to protect them from disease.

Healthy oak trees are not susceptible to oak wilt in an infected area. Bur oak, white oak and other members of the white oak family are resistant to the fungus and can be planted in oak wilt centers.