Ulmus davidiana var. japonica 'JFS-Bieberich'

Infobox Cultivar | name = "Ulmus davidiana" var. japonica"
cultivar = 'JFS-Bieberich'Emerald Sunshine™
origin = Sunshine Nursery, Oklahoma, USAThe Japanese Elm "Ulmus davidiana" var. "japonica" Rehd. Nakai (formerly "U. propinqua" C. K. Schneid.) cultivar 'JFS-Bieberich' (Emerald Sunshine™), is a new clone from the Sunshine Nursery, Oklahoma, derived from seed collected in China by proprietor Steve Bieberich.

Description

The tree attains a height of 10 m and develops a neat vase shape, distinguished by its thickish, deep-green leaves (turning dull yellow in the fall) and stout stem.

Pests and diseases

The tree is resistant to Dutch elm disease and elm leaf beetle "Xanthogaleruca luteola".

Cultivation

'JFS-Bieberich' is tolerant of high pH levels and soil compaction, and is also highly resistant to desiccating summer winds of the Plains Davis, T. (2007). Ulmus 'Emerald Sunshine'. "Nursery Management & Production", August 2007. ] . The tree was summarized by Michael A. Dirr, Professor of Horticulture at the University of Georgia as "impressive" [http://www.greenbeam.com/rs/nm_pdfs/16338_013.pdf] . 'JFS-Bieberich' (Emerald Sunshine™) has been included in the National Elm Trial coordinated by Colorado State University. It is not known to have been introduced to Europe or Australasia.

Accessions

None known.

Nurseries

;North America
*J. Frank Schmidt & Son Co. [http://www.jfschmidt.com/index.html] , Boring, Oregon.
*Sunshine Nursery [http://www.sunshinenursery.com/catalogue.htm] , Clinton, Oklahoma.

ynonymy

*"Ulmus propinqua" C. K. Schneid. 'JFS-Bieberich' (Emerald Sunshine™)

Etymology

Named (JFS) for the J. Frank Schmidt nursery in Oregon, and (Bieberich) for the proprietor of the Sunshine Nursery, in Oklahoma.

References

External links

*http://treehealth.agsci.colostate.edu/research/nationalelmtrial/NationalElmTrial.htm