Whether trimmed for health, safety, or aesthetics, it is imperative to understand when to prune oak trees to keep them protected. Pruning anytime outside of dormancy is a risky bu ...

Oak wilt is one of the deadliest tree diseases in the United States, killing millions of oak trees across 76 Texas counties. It’s a fungal disease that interrupts their vascular system ...

UAVs were used to locate known trees at Southeast Purdue Agricultural Center (SEPAC) affected by oak wilt, a fatal disease in red and black oak trees. As we flew the woods, we identified several more ...

The disease spreads above ground by sap beetles ... by traveling through interconnected root systems from tree to tree. Oak wilt spreads an average of 75 feet per year by the root system.

The general advice from arborists had been to only prune between Nov. 1 and April 1 in southern Wisconsin. It now seems as though perhaps something even more restrictive should be in the cards. The ...