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Dutch Elm Disease | |
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Dutch elm disease (DED) is a deadly disease that can affect any elm tree.
Since its introduction from Europe in 1930, it has destroyed millions of American elm trees across North America.
DED is prevalent in Manitoba, Saskatchewan and Montana. At present, Alberta has the largest DED-free American elm stands in the world.
A total of 219,334 elms, worth $634 million dollars, grow in Alberta's urban areas.
Alberta has been fortunate to remain DED free for many years however, in 1998 one elm tree in Wainwright was confirmed to have disease. The tree was immediately removed and burned. It is believed that firewood brought into the province was the source of infection. Alberta is still DED-free. | 
Healthy American elm | 
American elm with DED |
| News
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| Trap Installation
| Dutch Elm Disease
| Dutch Elm Disease Program
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The Last Stand
| Research Project Final Reports
| STOPDED Annual Reports
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| Trap Removal
|  | STOPDED
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Other Documents in the Series |
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Dutch Elm Disease - Current Document
First Report of Dutch Elm Disease in Alberta
Dutch Elm Disease Prevention: What You Can Do
Province Wide Elm Tree Inventory
Dutch Elm Disease Awareness Week
Dutch Elm Disease Links
Surveillance of Elm Trees for Dutch Elm Disease and Dutch Elm Disease Public Awareness in Municipalities Along the Alberta and Saskatchewan Border
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For more information about the content of this document, contact Shelley Barkley.
This information published to the web on June 14, 2001.
Last Reviewed/Revised on June 17, 2016.
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