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| Ulmus 'JFS-Bieberich' ： ウィキペディア英語版 |
Ulmus davidiana var. japonica 'JFS-Bieberich' = Emerald Sunshine
The Japanese Elm cultivar ''Ulmus davidiana'' var. ''japonica'' 'JFS-Bieberich' (sold as ) was raised by the Sunshine Nursery, Oklahoma, from seed collected in China by proprietor Steve Bieberich.〔Davis, T. (2007). Ulmus 'Emerald Sunshine'. ''Nursery Management & Production'', August 2007〕
==Description==
attains a height of 9 m and develops a neat vase shape, the crown < 7.5 m in width borne by a stout stem. The cultivar has thick, deep-green leaves () turning dull yellow in the fall. Trees planted as part of the National Elm Trial at the Bowley Plant Science Teaching Center, U C Davis, in northern California grew comparatively slowly, increasing in height by 1 m and d.b.h. by 1.6 cm per annum.〔McPherson, G. ''et al''. (2008). National elm trial: Initial report from Northern California. ''Western Arborist'', Fall 2009, 32–36.〕 The tree was summarized by Michael Dirr, Professor of Horticulture at the University of Georgia as "impressive" ().
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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