Ulmus americana 'Independence'
Elm cultivar From Wikipedia, the free encyclopedia
The American Elm cultivar Ulmus americana 'Independence' was raised by Eugene B. Smalley and Donald T. Lester at the University of Wisconsin–Madison from a crossing of the American Elm cultivar Moline and American Elm clone W-185-21, to become one of the six clones forming the American Liberty series, and the only one to be patented (U. S. Plant Patent 6227, 1988).[1]
| Ulmus americana 'Independence' | |
|---|---|
| Species | Ulmus americana |
| Cultivar | 'Independence' |
| Origin | University of Wisconsin–Madison, US |
Description
Almost identical to the species.
Pests and diseases
No specific information available, but the species as a whole is highly susceptible to Dutch Elm Disease and Elm Yellows; it is also moderately preferred for feeding and reproduction by the adult Elm Leaf Beetle Xanthogaleruca luteola,[2] and highly preferred for feeding by the Japanese Beetle Popillia japonica [3][4] in the United States. U. americana is also the most susceptible of all the elms to verticillium wilt.[5][6]
Cultivation
The tree is not known to be in cultivation beyond North America.
Accessions
North America
- U S National Arboretum [permanent dead link], Washington, D.C., United States. Acc. no. 62001
References
External links
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