oak wilt


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Related to oak wilt: Sudden oak death

oak wilt

[′ōk ‚wilt]
(plant pathology)
A fungus disease of oak trees caused by Chalara quercina, characterized by wilting and yellow and red discoloration of the leaves progressing from the top downward and inward.
References in periodicals archive ?
Oak wilt is caused by a fungus, which is spread by both root grafts and insects.
The good news we all want to hear about oak wilt is still ahead of us.
In central Texas, however, oak wilt is a major disease problem and some worry that it might somehow move east.
Oak wilt is a vascular disease whose symptoms usually start in mid-May to early June and continue throughout the summer.
Leaf damage is the earliest indication of oak wilt.
We have lost too many champions to Dutch elm disease, chestnut blight, and oak wilt to believe that.
To minimize the possibility of oak wilt, never prune between April and July.
Bur oaks have good resistance to both oak wilt and to borers but, when growing conditions are not ideal, can suffer from anthracnose, "witches' broom," and other fungal diseases.
Trenching and neighborhood teamwork are two of the tactics used to fight oak wilt, a wicked disease that is epidemic in Austin.
NATIONWIDE, OAK wilt has been found in 22 states, but only Texas has an epidemic.
On May 29 Giedraitis received a phone call from a concerned citizen who reported that the famed tree appeared to be afflicted with oak wilt, a fungus that has devastated the live oaks of Texas.
I told those members assembled in Charleston, South Carolina, of the successes of a $100 million combined state and local effort in Minnesota to slow Dutch elm disease and oak wilt and to replant trees in our cities and towns.