Copy 7 oak wilt: cause, prevention and treatments


Q: What trees are recommended for planting in an area such as Tierra Linda?



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Q: What trees are recommended for planting in an area such as Tierra Linda?

A: The Texas Forest Service provides a list of recommended trees (attached). Select those that grow well in our local conditions of alkaline soil and moderate rainfall. For example, consider planting cedar elms, bald cypress, Montezuma cypress, Texas persimmon, and from south Texas, the bird of paradise and huisache, all of which do well here. Oaks, including live oaks, bur oaks, or Monterrey oaks, are recommended for replanting behind the disease front after the oak wilt has moved through the area. When you plant a tree, its roots are not connected to all of the other oaks that might transmit oak wilt. Root grafting takes a long time to occur. Thus, the only way the new oak will contract the disease is if a sap beetle infects it with an oak wilt spore in a fresh wound. Since about 80% of the forest composition tends to be live oaks, Robert recommends considering planting white oak species to increase diversity.



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