Certain trees need to be pruned in the fall to avoid bark beetles
those fresh wounds can attract oak bark beetles, which can be the vector of oak wilt. So, in general, it’s a good idea if you ...
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Ask the Master Gardener: Worried about oak wilt disease? Here's how to guard against it
Oak wilt is a fungal disease that is spread by sap-feeding beetles through open wounds in ... and sometimes fungal mats under the bark. A definite diagnosis is best done in a lab.