Horticulturists say increases in oak wilt–a disease closely related to Dutch elm disease — is becoming a serious problem and could threaten the state’s red oak population. Incidents of oak ...

The disease causes blockage in the tree's water distribution system, leading to death. Trees in the red oak family are particularly susceptible and may die within four to six weeks after onset of ...

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.

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 ...

We look at why red oaks are more prone to disease now and what to do if your tree has it. There are 600 species of oak trees in the world, ten of which are native to Michigan.

Oak wilt is a very serious and often deadly disease of oaks, specifically the oaks in the red or black oak group. The fungal pathogen that causes the disease ( Bretziella fagacearum ) has been ...

“Currently, oak wilt is a rare disease,” adds Calvin Norman, a Penn State University oak-wilt researcher and assistant teaching professor of forestry. “But it is becoming more common, and ...

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.

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.