Ulmus_americana_'Maine' Knowpia

*Ulmus americana* 'Maine'
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.

[Townsend-1] 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.

[1]