Ulmus davidiana var. japonica 'Freedom'

Ulmus davidiana var. japonica 'Freedom'
Variety	Ulmus davidiana var. japonica
Cultivar	'Freedom'
Origin	Canada

The Japanese Elm cultivar Ulmus davidiana var. japonica 'Freedom' is another cold-resistant selection from Canada, raised along with 'Discovery' in the 1980s by Dr Wilbert Ronald, of Jeffries Nurseries Ltd., and Rick Durrand of Shade Consulting Services, Portage la Prairie, Manitoba .

Description

Little descriptive information is available, beyond its comparison with the 'Discovery' clone in the latter's patent application, in which it is noted that 'Freedom' has an open crown with codominant lateral branching, and leaves tinged reddish-purple in autumn.[1] The species does not sucker from roots. [2]

Pests and diseases

The tree has a similar resistance to Dutch elm disease and elm leaf beetle Xanthogaleruca luteola as 'Discovery'.

Cultivation

'Freedom' is not known to be in cultivation beyond Canada.

Accessions

None known.

Nurseries

North America

Patmore Nursery , Brandon, Manitoba, Canada.
Sun Valley Garden Centre , Eden Prairie, Minnesota, US.

References

Photograph of 'Freedom' elms, .
Heybroek, Hans M. (1981). "The Japanese elm species and their value for the Dutch elm breeding program" (PDF). Proceedings of the Dutch Elm Disease symposium and workshop, October 5–9, Winnipeg, Manitoba: 78–90.

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.

[1] Photograph of 'Freedom' elms, .

[Heybroek-2] Heybroek, Hans M. (1981). "The Japanese elm species and their value for the Dutch elm breeding program" (PDF). Proceedings of the Dutch Elm Disease symposium and workshop, October 5–9, Winnipeg, Manitoba: 78–90.