Ulmus americana 'Maine'
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From Wikipedia, the free encyclopedia
Elm cultivar
Ulmus americana 'Maine' | |
---|---|
Species | Ulmus americana |
Cultivar | 'Maine' |
Origin | US |
'Maine' is a selection of the American Elm Ulmus americana made by the USNA for use in disease-resistance trials. It has not been formally registered as a cultivar.
Description
[edit]Not available.
Pests and diseases
[edit]'Maine' proved particularly susceptible to Dutch elm disease exhibiting 30% crown dieback in one year after inoculation with the disease's causal fungus.[1]
Cultivation
[edit]The tree it is not known to have been cultivated beyond the United States.
Accessions
[edit]North America
[edit]None known.
References
[edit]- ^ Townsend, A. M., Bentz, S. E., and Douglass L. W. (2005). Evaluation of 19 American Elm Clones for Tolerance to Dutch Elm Disease. Journal of Environmental Horticulture, March 2005, Horticultural Research Institute, Washington, D.C.