Oak wilt is a devastating tree disease and very expensive to combat. There has not been any real improvement in the treatment and control options since the first product was released on the market back in the mid 90’s. For chemical treatment you have two injection techniques for administering the fungicide and for large scale control measures, trenching is the best option. The Texas Forest Service (TFS) publishes a brochure for managing oak wilt.
Soil restructuring is one of the most powerful tools we have for tree health management. The idea is to till the soil; improving its structure will allow valuable air and water to more easily penetrate the soil. While fundamental in gardening theory, this task is not easy at the scale of a large tree.
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