The red-oak family includes northern red oak (Quercus rubra), scarlet oak (Quercus coccinea), shingle oak (Quercus imbricaria), Shumard oak (Quercus shumardii), and the long-popular home-landscape ...

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.

ANN ARBOR, MI — A systemic, lethal, oak tree disease has hit Ann Arbor’s Bird Hills Nature Area. Oak wilt, as it’s called, is caused by a fungus that so far has affected a cluster of red oak ...

Oak wilt is a common disease in oak trees in Northeast Ohio. Skip to Article. Set weather. ... Infected red oaks also exhibit brownish streaks in the sap wood, just under the bark.

Oak wilt disease can be particularly deadly for red oaks. Prevention is largely a matter of timing. News Sports Outdoors Opinion Ozarks Life Advertise Obituaries eNewspaper Legals ...

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 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.