Stopping spread through roots measures can be taken to break root connections between live oaks or dense groups of red oaks to reduce or stop root transmission of the oak wilt fungus.
Stop oak wilt.
If you have an oak tree that you suspect might be afflicted with oak wilt get in touch with an arborist or plant disease specialist in your area.
Oak wilt fungus transmission through root spread between adjoining trees accounts for most of the tree loss in oak wilt centers.
They ll be able to recommend an appropriate course of action for the size species and location of the tree as well as the exact layout of your yard.
Avoid pruning oak trees between early february and late june.
The most common technique is to sever roots.
Root spread can be stopped by creating a buffer zone between the oak wilt center and healthy trees.
A trench see photo should be established at least 100 feet from the last symptomatic tree.
We can all take steps to reduce the chance of starting a new oak wilt center.
Create a buffer zone.
Many new oak wilt disease centers are caused by human activity.
The most common technique is to sever roots by trenching at least 4 ft deep with trenching machines rock saws or ripper bars.