The Siberian Elm cultivar Ulmus pumila 'Manchu' was raised by Stewarts Nurseries, Sutherland, Saskatchewan, c. 1951 from seed collected by Mr Ptitsin from near Harbin, China, an area which has a similar climate to that of the Great Plains.[1] Green reported (1964) a suggestion to merge 'Manchu' and the Siberian elm cultivar 'Harbin' with 'Dropmore', as all came from the same area.[2][3]
| Ulmus pumila 'Manchu' | |
|---|---|
| Species | Ulmus pumila |
| Cultivar | 'Manchu' |
| Origin | Saskatchewan, Canada |
Description
editNot available.
Pests and diseases
editSee under Ulmus pumila.
Cultivation
edit'Manchu' was found to be hardy in Saskatchewan.[4] The tree was superseded in the United States by 'Dropmore'. It is not known whether 'Manchu' remains in cultivation.
References
edit- ^ 'Siberian Elm', South Dakota Dept. of Agriculture, Forestry Div., Pierre, S.D.; sdgs.usd.edu
- ^ Arnoldia : Bulletin of the Arnold Arboretum, 24 July 1964, Vol 24 Nos 6-8, pp.40-80
- ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). 'Updated Checklist of Elm (Ulmus) Cultivars for use in North America', Journal of Arboriculture. 21 (3); pp.122–131.
- ^ Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
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