The oak wilt fungus spreads in two basic ways: transfer of spores from diseased
to healthy trees by insect vectors and movement ...
White oaks are the most susceptible. For more information. http://extension.psu.
adverse weather and have traditionally been considered disease resistant.
During the drought in the mid-1950s large expanses of oak trees began dying in
A white fan of fungal growth is often found just under the bark at the base of the
infected tree. Dark-brown rhizomorphs (very coarse shoestring-like threads) may
Aug 15, 2005 ... This publication contains a guide to diseases of oak trees in the landscape.
Oak wilt, caused by the fungus Ceratocystis fagacearum (Bretz) Hunt, kills oak
trees. It has been found in 21 States, with considerable damage occurring in the ...
Eliminate and destroy small infected trees. ... causes no serious harm to the tree;
however aesthetic con- .... Diagnostic white fungal growth on infected oak.
Oak wilt is a fungal infection affecting oak trees. All species of oak are susceptible
with red oaks being particularly vulnerable. In red oaks, oak wilt is almost ...
Dec 14, 2006 ... Diagnosing Your Oak Tree: Part I Diseases. Oaks are California native trees that
enjoy theprotection of many local codes and ordinances.
Oak wilt, caused by Ceratocystis fagacearum, is a lethal disease of oak (Quercus
sp.). The disease is most serious on members of the red oak family, including ...