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.

Discover the major common tree diseases in the United States. Armillaria attacks both hardwoods and softwoods and causes either yellowing leaves or browning needles. Wood that is decaying from ...

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 ...

"Oak wilt is a devastating fungus to the oak trees, especially the red oak type that have the pointed tips,” Michigan DNR Forest Health Forester Cheryl Nelson said.

JACKSON, Miss. (WJTV) – Officials with the Mississippi Forestry Commission (MFC) said oak trees in Central Mississippi are being threatened. According to the MFC, there has been a significant ...

Gardening: Tips to protect trees and shrubs this winter so they'll spring back next year Diagnosing oak wilt. Not all wilt symptoms on oak trees can be attributed to the fungus that causes oak ...

2000-09-23 04:00:00 PDT STATE-- A recently discovered link between the microbe threatening to wipe out California's prized oak woodlands and another killer fungus raises the frightening ...

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.

ANN ARBOR, Mich. (CBS DETROIT) - Several cases of oak wilt fungus have been confirmed in the Bird Hills Nature Area after a concerned resident reported a tree that looked unhealthy to city officials.

Oak wilt’s onset can be confused with other more common issues, such as drought stress, leaf loss from spongy-moth caterpillars, and diseases such as anthracnose and bacterial leaf scorch.

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.