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American Elm

Restoration

Our overarching goal is to restore the American elm as a species across the urban to rural gradient. Accomplishing this goal requires two steps:

1. Generating regionally-adapted populations of Dutch elm disease (DED) tolerant American elms, which involves:
• Identifying large surviving American elms with DED tolerance
• Breeding elms to increase DED tolerance

• Identifying the genes associated with DED tolerance
• Testing the cold tolerance of progeny from regionally adapted DED-tolerant American elm for saturation in northern latitudes
• Testing the tolerance of DED tolerant elm to elm yellows, a group of pathogens that kills American elm, among other elm species.

2. Developing methods to successfully reintroduce American elm along the rural to urban gradient.

Research Summaries

• Cold Tolerance of American Elm
• Genetic Studies of American Elm
• Elm Reintroduction Toolkit
• Generation of New Dutch Elm Disease Tolerant American Elm Cultivars
• Restoration of the American Elm in Ohio and the Eastern United States
• Testing and breeding DED-tolerant American elm

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