References
- ↑ 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.
| 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.
Not available.
'Maine' proved particularly susceptible to Dutch elm disease exhibiting 30% crown dieback in one year after inoculation with the disease's causal fungus. [1]
The tree it is not known to have been cultivated beyond the United States.
None known.
