Oak wilt is a potentially deadly disease caused by the fungus Bretziella (formerly Ceratocystis) fagacearum. First discovered in the 1940s in the Mississippi River Valley area, the disease is found ...

Waiting until the leaves drop in fall is a rule of thumb for pruning shade trees, mainly because you can see bare limbs better, and the job is less “messy” without leaves attached to the cut branches.

PITTSBURGH — An invasive fungus is wreaking havoc on local oak trees. Oak wilt disease is fast-moving, killing some trees in less than a year. Local experts showed Channel 11′s Lisa Sylvester what to ...

Texas forest officials are trying to stop residents from pruning their trees in the new year to guard against a deadly tree disease known as oak wilt. Winter is typically the best time to trim trees, ...

PEORIA, Ill. (AP) -- A fungus that attacks oaks and can spread from tree to tree is continuing its assault in central Illinois this summer, experts say. The disease, oak wilt, was first noticed ...

Oak wilt is one of the deadliest tree diseases in the United States, killing millions of trees across 76 counties of Texas. (Courtesy Photo) AUSTIN While winter is the ideal time to prune trees, ...

An invasive insect from Europe and the Middle East is attacking several Oregon white oak trees in the Wilsonville area, and state researchers say it's been found in other pest traps in the past few ...