Ulmus pumila 'Manchu' explained

Ulmus pumila 'Manchu'
Species:	Ulmus pumila
Cultivar:	'Manchu'
Origin:	Saskatchewan, Canada

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]}

Description

Not available.

Pests and diseases

See under Ulmus pumila.

Cultivation

'Manchu' was found to be hardy in Saskatchewan.^[4] The tree was superseded in the United States by 'Dropmore'.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.

Notes and References

1. http://www.sdgs.usd.edu/naturalsource/flora/treesandshrubs/SiberianElm.pdf 'Siberian Elm', South Dakota Dept. of Agriculture, Forestry Div., Pierre, S.D.; sdgs.usd.edu
2. https://archive.org/details/arnoldiaarno_21/page/40/mode/2up Arnoldia : Bulletin of the Arnold Arboretum, 24 July 1964, Vol 24 Nos 6-8, pp.40-80
3. 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.
4. Green . Peter Shaw . Peter Shaw Green . 1964 . Registration of cultivar names in Ulmus. Arnoldia . 24. 41–80 . 6–8 . . 16 February 2017.