A deadly new oak-tree disease can be prevented by pruning them in the dormant season (if needed) instead of spring or summer.

What is oak wilt? Texas experts warn against trimming, pruning to avoid deadly tree disease Here's what we know about the disease responsible for killing millions of trees in Central Texas alone ...

Winter is the perfect time to prune oak trees. Oak trees are special for many reasons: they’re Iowa’s state tree, they’re important to our ecosystem and — they shouldn’t be pruned during ...

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 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.

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 ...

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.

Oak wilt is one of the deadliest tree diseases in the United States, killing millions of trees across 76 counties of Texas. (Courtesy Photo) AUSTIN While winter is the ideal time to prune trees ...

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.

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 ...

Among the most alarming are Bacterial Leaf Scorch (BLS) and Oak Wilt, both of which can kill oak trees. “Most of the time, oak wilt is vectored or carried from tree to tree by insects.