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 ...

Q. I have a 3-year-old Shumard red oak that has done wonderfully, but recently I noticed large patches of bark missing and parts of the tree starting to yellow. One arborist told me it was due to ...

One by one, majestic red oak trees are being ravaged by oak wilt, a fungal disease that destroys a tree's vascular system. The Wharton-Bickleys estimate they already have 30 red oaks either dead ...

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 ...

Oak wilt is a very serious tree disease," John Wernet, of the New York State Department of Environmental Conservation, told CBS2's Carolyn Gusoff reported. In Islip, all red oaks within 150 feet ...

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.

The growths pictured on a reader's red oak, called galls, are an indication the tree is stressed.(Tommy Byrd) I have two red oak trees in my front yard that are about 10 years old. One of the ...

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.

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 ...

Iowa DNR District Forester Jeff Seago cuts a sample branch from red oak trees to test for a potential case of Oak Wilt disease on Clayton Ohrt's property in rural Rowley on Wednesday, September 3 ...