Oak Tree Disease
I have approximately 25 oak trees in my back yard. I have been told that approximately 75% of them are red oak and the remaining 25% are white oak. I also have a very large, old burr oak. Last summer one of the trees died. This summer, another tree died, and the "stem" of a third tree has died. I have had three different arborists come to my home to analyze the trees. Two have told me that I have oak wilt. (One of these arborists took leaf samples from the large burr oak as well as from two other trees to be submitted to the UofM extension service for analysis.) The third arborist has diagnosed the problem as armallaria. The dead trees obviously need to be removed. I'm just not sure who to believe and what the next course of action after tree removal should be. Please help!!