79a65697_ow_in_Minnesota__Minnesota_DNR__Pest_or_Condition
[Trees] Elms [Recommendations] Confirm disease by sending 6-8 inch sections from freshly-wilted branches to Lab Services Div., Dept. of Ag., 90 West Plate Blvd., St. Paul, MN 55107-2094. Remove and destroy infected branches or entire tree. [Pest or Condition] 
Dutch elm disease
Forest Insect and Disease Newsletter: 5/99: Helping trees grow in Minnesota: Minnesota DNR
Pest or Condition