79a65697_ow_in_Minnesota__Minnesota_DNR__Pest_or_Condition
[Trees] Oaks [Recommendations] Confirm as directed for Dutch elm disease. Install root graft barrier first and then the remove entire tree. [Pest or Condition] 
Oak wilt disease
Forest Insect and Disease Newsletter: 5/99: Helping trees grow in Minnesota: Minnesota DNR
Pest or Condition