Oak Trees and Fungus
Oaks are prone to developing a wide array of fungal infections. One of the most common types of fungal disease is oak wilt, which affects all types of oak trees....
The oak wilt fungus spreads in two basic ways: transfer of spores from diseased
to healthy trees by insect vectors and movement ...
www.missouribotanicalgarden.org/Portals/0/Gardening/Gardening Help/Visual Guides/Oak Problems.pdf
... canker of oak. This fungal canker attacks weakened trees through wounds and
... Red oaks and pin oaks are very susceptible to this fungus. Look-alikes: All ...
White oaks are the most susceptible. For more information. http://extension.psu.
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
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 ...
Once established in a tree, the oak wilt fungus becomes systemic within the tree.
Hence neighboring trees which happen to be root grafted to the diseased tree ...
Oak anthracnose infects twigs, buds, and leaves of the oak tree. This disease can
discolor, distort, kill leaves and generally stress the tree. Oak anthracnose is ...
adverse weather and have traditionally been considered disease resistant.
During the drought in the mid-1950s large expanses of oak trees began dying in
Aug 15, 2005 ... This publication contains a guide to diseases of oak trees in the landscape.