Ulmus davidiana var. japonica 'JFS-Bieberich'
Encyclopedia
The 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.
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. 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.
and Elm Yellows
(Phloem
necrosis). Foliage of trees under assessment at the aforementioned National elm trial site at U C Davis suffered a minimal amount of damage caused by the elm leaf beetle Xanthogaleruca luteola
, whilst damage caused by Japanese Beetle
in trials at the University of Kentucky
was found to be slight, owing to the dense pubescence on the underside of the leaves.
or Australasia
.
Japanese Elm
Ulmus davidiana var. japonica, the Japanese Elm, is one of the larger and more graceful Asiatic elms, endemic to much of continental north-east Asia and Japan.-Description:...
Ulmus davidiana var. japonica Rehd.
Alfred Rehder
Alfred Rehder was a horticulturist and taxonomist who worked at the Arnold Arboretum of Harvard University. Rehder was a newspaper writer from Germany who was originally hired as a laborer at the Arnold Arboretum. His talents for horticultural plant taxonomy were soon recognized, however...
Nakai
Takenoshin Nakai
was a Japanese botanist.-External links:* * * by Yong Shik Kim and Mike Maunder from CURTIS'S Botanical Magazine, Royal Botanic Gardens, Kew, UK. Vol. 15: 141-146, 1998....
(formerly U. propinqua C. K. Schneid.
Camillo Karl Schneider
Camillo Karl Schneider was an Austrian botanist and landscape architect . A farmer's son, he was born at Gröppendorf, Saxony, and worked as a gardener at Zeitz, Dresden, Berlin and Greifswald...
) cultivar 'JFS-Bieberich' (Emerald Sunshine), is a new clone from the Sunshine Nursery, Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
, derived from seed collected in China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...
by proprietor Steve Bieberich.
Description
The tree attains a height of 9 m and develops a neat vase shape, the crown < 7.5 m in width. Emerald Sunshine is distinguished by its thick, deep-green leaves http://www.jfschmidt.com/pdfs/emeraldsunshineelm.pdf (turning dull yellow in the fall) and stout stem. Trees planted as part of the National Elm TrialNational Elm Trial
The National Elm Trial is an American volunteer effort to evaluate a range of newly developed elm cultivars as replacements for elms destroyed by Dutch elm disease...
at the Bowley Plant Science Teaching Center, U C Davis, in northern California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
grew comparatively slowly, increasing in height by 1 m and d.b.h. by 1.6 cm per annum. The tree was summarized by Michael A. Dirr, Professor of Horticulture at the University of Georgia
University of Georgia
The University of Georgia is a public research university located in Athens, Georgia, United States. Founded in 1785, it is the oldest and largest of the state's institutions of higher learning and is one of multiple schools to claim the title of the oldest public university in the United States...
as "impressive" http://www.greenbeam.com/rs/nm_pdfs/16338_013.pdf.
Pests and diseases
The tree is resistant to Dutch elm diseaseDutch elm disease
Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...
and Elm Yellows
Elm Yellows
Elm Yellows is a plant disease of elm trees that is spread by leafhoppers or by root grafts. Elm Yellows, also known as Elm Phloem Necrosis, is very aggressive, with no known cure. Elm Yellows occurs in the Eastern United States and southern Ontario in Canada. It is caused by phytoplasmas which...
(Phloem
Phloem
In vascular plants, phloem is the living tissue that carries organic nutrients , in particular, glucose, a sugar, to all parts of the plant where needed. In trees, the phloem is the innermost layer of the bark, hence the name, derived from the Greek word "bark"...
necrosis). Foliage of trees under assessment at the aforementioned National elm trial site at U C Davis suffered a minimal amount of damage caused by the elm leaf beetle Xanthogaleruca luteola
Xanthogaleruca luteola
Xanthogaleruca luteola, commonly known as the Elm Leaf Beetle, is a serious pest of the elm. Indigenous to Europe, it was accidentally introduced to North America. Both the imagines and larvae feed on the emergent leaves of the elm...
, whilst damage caused by Japanese Beetle
Japanese beetle
The beetle species Popillia japonica is commonly known as the Japanese beetle. It is about long and wide, with iridescent copper-colored elytra and green thorax and head...
in trials at the University of Kentucky
University of Kentucky
The University of Kentucky, also known as UK, is a public co-educational university and is one of the state's two land-grant universities, located in Lexington, Kentucky...
was found to be slight, owing to the dense pubescence on the underside of the leaves.
Cultivation
'JFS-Bieberich' is tolerant of high pH levels and soil compaction, and is also highly resistant to desiccating summer winds of the Plains . The tree is not known to have been introduced to EuropeEurope
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
or Australasia
Australasia
Australasia is a region of Oceania comprising Australia, New Zealand, the island of New Guinea, and neighbouring islands in the Pacific Ocean. The term was coined by Charles de Brosses in Histoire des navigations aux terres australes...
.
Nurseries
North America- J. Frank Schmidt & Son Co. http://www.jfschmidt.com/index.html, BoringBoring, OregonBoring is an unincorporated community located in Clackamas County, Oregon, United States, on Oregon Route 212. It is approximately eight miles south of Gresham and about the same distance from Clackamas, both suburbs of Portland. The town is roughly twenty-two miles southeast from downtown...
, OregonOregonOregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
. - Sunshine Nursery http://www.sunshinenursery.com/catalogue.htm, ClintonClinton, OklahomaClinton is a city in Custer and Washita counties in the U.S. state of Oklahoma. The population was 9,033 at the 2010 census.-History:The community began in 1899 when two men, J.L. Avant and E.E...
, OklahomaOklahomaOklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
.
Synonymy
- 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.External links
- http://treehealth.agsci.colostate.edu/research/nationalelmtrial/NationalElmTrial.htm