| 词条 | Ulmus parvifolia 'Seiju' |
| 释义 |
| name = Ulmus parvifolia 'Seiju' | species = Ulmus parvifolia | cultivar = 'Seiju' | image = NCArboretum Bonsai-27527-2.jpg | image_caption = Seiju Elm bonsai | origin = US }} The Chinese Elm cultivar Ulmus parvifolia 'Seiju' is a dwarf variety, a sport of 'Hokkaido'.[1] Description'Seiju' is described as smaller than Catlin and faster growing than Hokkaido, distinguished from the latter by its larger leaves.[2] Pests and diseasesThe species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola.[3] CultivationThe tree is commercially available in the United States and Australia where it is popular as a bonsai subject.[4] The tree was also listed in the UK until 2002. AccessionsNorth America
Europe
NurseriesNorth America(Widely available) Australasia
References1. ^{{cite journal |last1=Santamour |first1=Frank S. |last2=Bentz |first2= Susan E. |date=May 1995 |title=Updated Checklist of Elm (Ulmus) Cultivars for use in North America|url=http://joa.isa-arbor.com/request.asp?JournalID=1&ArticleID=2673&Type=2|journal=Journal of Arboriculture |volume=21 |number=3|pages=122–131 |access-date=20 June 2016}} {{Elm species, varieties, hybrids, hybrid cultivars and species cultivars |state=collapsed}}{{DEFAULTSORT:Ulmus Parvifolia 'Seiju'}}{{Ulmaceae-stub}}2. ^>Photograph of 'Seiju' branch and leaves 3. ^{{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}} 4. ^Young, H. C. & Young, S. (1980), Intern. Bonsai, 2(3): 28, 1980 3 : Chinese elm cultivar|Ulmus articles with images|Ulmus |
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