PP-324 (Revised) Robert W. Stack , Professor Plant Pathology Dean K. McBride , Extension Entomologist H. Arthur Lamey , Extension Plant Pathologist Introduction Symptoms Elm Bark Beetles –

R. J. Jones, Plant Pathology Extension (retired) L. F. Grand, Dept. of Plant Pathology A very destructive fungus disease called Dutch elm disease was first observed in Ohio during the summer of

Protection What can I do if my tree is already infected? Most infected elms cannot be saved. In rare cases, if the fungus has not moved into the root system, physically cutting out the infected po

Why “Dutch” elm disease? The Dutch may have been unfairly blamed for the loss of millions of trees. “Dutch” elm disease got its name because Dutch scientists identified it when the disease ma

Author Linda Haugen is a Plant Pathologist with the USDA Forest Service, Northeastern Area State and Private Forestry, St. Paul, Minnesota. Acknowledgments Thanks are extended to the many scientist