WW-03765     1993  

History of Dutch Elm Disease in Minnesota
David W. French

Table of Contents

A Problem Denied: Dutch Elm Disease

• First Arrivals
• Early Opportunities Ignored
• Later Opportunities Missed
• Finally Legislation

Slowly, Steadily, Tree Infections Increase

• Rural Counties Also Hit
• Pitchouts and Infection
• Downside of the Epidemic

Legislation Finally Arrives

• Too late? Yes and No!
  
• A Federal Demonstration Program

Success Stories, and Failures Too

Dutch Elm Disease in Wild Elms

• Rural Data Rare, Disease Impact Extensive

Management of Dutch Elm Disease

• No Magic Bullets
• Systemic Treatments

Some Better Known Failures

• Other Proposals
  

The Future for Elms in Minnesota

• Why Not Resistant Trees?

Author

David W. French, retired, was a professor in the Department of Plant Pathology, University of Minnesota.

Acknowledgements

Development of this publication has been supported by the Minnesota Agricultural Experiment Station, University of Minnesota, St. Paul, Minnesota.

Editing, design and development of this publication for the Minnesota Agricultural Experiment Station is by Larry A. Etkin, experiment station editor, Educational Development System, University of Minnesota.

Availability

For information on purchasing additional copies of this publication, contact: Extension Store, Coffey Hall, University of Minnesota, St. Paul, Minnesota 55108–6064.

In Partnership...

Produced by Communication and Educational Technology Services, University of Minnesota Extension.

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