Ulmus parvifolia 'Yatsubusa': Difference between revisions
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==Pests and diseases== |
==Pests and diseases== |
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The species and its cultivars are highly resistant, but not immune, to [[Dutch elm disease]], and unaffected by the Elm Leaf Beetle ''[[Xanthogaleruca luteola]]'' |
The species and its cultivars are highly resistant, but not immune, to [[Dutch elm disease]], and unaffected by the Elm Leaf Beetle ''[[Xanthogaleruca luteola]]''.<ref>{{Cite web|url=http://www.sunshinenursery.com/survey.htm|access-date=17 July 2017|archiveurl=https://web.archive.org/web/20110719132152/http://www.sunshinenursery.com/survey.htm|title=Elm Leaf Beetle Survey|archive-date=2011-07-19}}</ref> |
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==Etymology== |
==Etymology== |
Revision as of 13:44, 20 July 2017
Ulmus parvifolia | |
---|---|
Cultivar | 'Yatsubusa' |
Origin | Not known |
The Chinese Elm cultivar Ulmus parvifolia 'Yatsubusa' [1] is a dwarf variety.
Description
The name is used both to identify a cultivar and as a group name [2] for particularly small-leaved variants specifically raised for bonsai culture [3].[1][2]
Pests and diseases
The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola.[3]
Etymology
'Yatsubusa' is the Japanese word for 'dwarf'.
Accessions
North America
- Scott Arboretum. Acc. no. 2000–080
Europe
- Royal Horticultural Society Gardens, Wisley. No details available.
Nurseries
North America
(Widely available)
Europe
(Widely available)
References
- ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016.
- ^ Valavanis, W. N., Proc. Intern. Plant Prop. Soc. 32: 502-508, 1982.
- ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.