Ulmus americana 'Lake City'
| Ulmus americana | |
|---|---|
| Cultivar | 'Lake City' |
| Origin | USA |
The American Elm cultivar Ulmus americana 'Lake City' was first described by Wyman in Trees Magazine 3 (4): 13, 1940.
Description
The tree has an upright habit, wide at the top and narrow at the base.[1]
Pests and diseases
The clone's resistance to Dutch Elm Disease is not known, but the species is highly susceptible to the 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] in the United States. U. americana is also the most susceptible of all the elms to verticillium wilt.[4]
Cultivation
The tree is not known to be in cultivation beyond North America.
Accessions
North America
- Morton Arboretum. One grafted tree, planted along the DuPage river, reputed to be "in good health" in the autumn of 2006. Acc. no. 861-43.
References
- ↑ Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus" (PDF). Arnoldia. Arnold Arboretum, Harvard University. 24 (6–8): 41–80. Retrieved 20 June 2016.
- ↑ Miller, F. and Ware, G. (2001). Resistance of Temperate Chinese Elms (Ulmuss spp.) to Feeding of the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae). Journal of Economic Entomology 94 (1): 162-166. 2001. Entom. Soc.of America.
- ↑ Miller, F., Ware, G. and Jackson, J. (2001). Preference of Temperate Chinese Elms (Ulmuss spp.) for the Feeding of the Japanese Beetle (Coleoptera: Scarabaeidae). Journal of Economic Entomology 94 (2). pp 445-448. 2001. Entom. Soc.of America.
- ↑ Pegg, G. F. & Brady, B. L. (2002). Verticillium Wilts. CABI Publishing. ISBN 0-85199-529-2
External links
- http://www.bgci.org/plant_search.php?action=Find&ftrGenus=Ulmus&ftrRedList=&ftrSpecies=&ftrRedList1997=&ftrEpithet=&ftrCWR=&x=41&y=19NB. Botanic Gardens Conservation International register
- http://redwood.mortonarb.org/PageBuilder?cid=2&qid=13 Morton Arboretum catalogue
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