Copy 7 oak wilt: cause, prevention and treatments


The only steps we can control in the oak wilt infection process are



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The only steps we can control in the oak wilt infection process are:


  • Consider not pruning your oak trees. Pruning of oaks is solely for cosmetic purposes and provides no health benefit to the tree. “Pruning up” an oak tree (removing the lower and inner branches) is actually detrimental to its health.







  • Always immediately paint all cuts and injuries to all oaks in all seasons.




  • Do not buy or move firewood from trees that have recently died of oak wilt. The fresh wood can be infectious until the wood has dried for several months.

Thank you for taking these precautions with your oak trees. We hope that these steps will enable you and all of our other homeowners to enjoy our majestic oak trees on the Ranch for many years to come.


If you think you have oak wilt on your property, often trenching 5’ deep with a rock saw can prevent the disease from spreading, and Alamo fungicide treatment, at the proper time, can save oaks within 100’ of the oak wilt-infected trees (Alamo treatment performed more than 2 years ago is no longer effective). The key to success is getting expert advice as soon as possible if you think you might have a problem.
Robert Edmonson of the Texas Forest Service will come and evaluate your trees at no charge. He can be reached at 830-868-7949. Robert has a degree in Forestry from Texas Tech, as well as 11 years of experience evaluating oak wilt in Tierra Linda.

PBS

12/29/01


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