If you have multiple oak trees and one becomes infected with oak wilt, it’s important to remove the tree carefully and sever any root grafts it may have with other oaks to prevent the spread.

This wilt-infested oak tree has been "girdled' and is being treated with an herbicide to kill it before removal. Calvin Norman/Penn State.

A tree affected by oak wilt has lost its leaves from the crown down. Oak wilt can quickly kill trees in the red oak family. The fungus can be carried by beetles during the spring and summer, so ...

Oak wilt spreading through root systems moves an average of 75 feet per year, primarily in live oaks. This method is responsible for the majority of the spread and tree deaths in Central Texas.

Oak trees are the backbone of South Central Texas, but neighborhoods like Live Oak, Shavano Park, Hollywood Park and the Hill Country are threatened by oak wilt.

Brad McBride from Davey Trees tells News 5 how a tree can get Oak Wilt and how to identify it. More for You. John Amos Dies: ‘Good Times', ‘Roots' Actor Was 84.

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 ...

“Most of the time, oak wilt is vectored or carried from tree to tree by insects. So it’s really hard to track how the disease is spread from tree to tree, but once your tree contracts, oak wilt.

During the period between April 15 and July 15, beetles actively carry spores of fungus from tree to tree, meaning oak trees are at high risk for infection with oak wilt. Oak trees with wounds in ...

For Oak Wilt testing, 4-6 branch sections (each 8 to 12 inches long and approximately 0.5 to 1.5 inches in diameter) showing symptoms of leaf wilt should be collected.