Oak trees with wounds in their bark are susceptible to the disease, which can weaken white oaks and kill red oaks within a few weeks. “Oak trees should not be pruned between April 15 and July 15.

Oak wilt weakens white oak trees and kills red oaks within weeks of infection. Bacterial leaf scorch is a chronic disease that worsens over several years. Both diseases spread to nearby oaks.

Oak wilt is a fungal disease that can weaken white oaks and kill red oak trees within just a few weeks. The fungus enters the tree through wounds that are often caused by pruning or storms.

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.

An invasive insect from Europe and the Middle East is attacking several Oregon white oak trees in the Wilsonville area, ... The fungus grows, robbing tree canopies of water necessary for growth ...

Invasive fungus found could do 'widespread' damage to oak trees in Ontario Published on Jun. 19, 2023, 7:06 PM Oak wilt smells like Juicy Fruit gum, expert says ...

DALLAS (CBSDFW.COM) — Oak wilt is a devastating, incurable fungus that is slowly spreading over a large part of the United States. First found in Wisconsin in the 1930s, it arrived in North ...

2000-08-01 04:00:00 PDT BERKELEY-- A murderous and previously unknown species of tree fungus was identified yesterday as the primary reason tens of thousands of oak trees are dying up and down the ...

AMANA — For 10 years now, Iowa foresters have been watching century-old white oaks wither and die in just a few weeks. Trees with no visible insects or fungus are dying on ravines and ridge tops ...

The bugs secrete a fungus as they move through the wood, which causes a disease that cuts the tree off from its water supply. “It's an oak wilt and basically what that does is it interrupts the ...