Ulmus 'Lincoln'

Infobox Cultivar | name = "Ulmus" hybrid
hybrid = "U. rubra" × "U. pumila"
cultivar = 'Lincoln'
origin = USA The hybrid cultivar 'Lincoln' was selected from crossings of the Siberian Elm "Ulmus pumila" and Red Elm "Ulmus rubra" made in Illinois circa 1958 and patented in 1983.

Description

'Lincoln' is distinguished by retention of its dark-green leaves well into autumn [http://www.hort.uconn.edu/plants/u/ulmpum/ulmpum1.html] .

Pests and diseases

Although reported (in patent) to be resistant to Dutch elm disease, it has not been widely tested Santamour, F. S., & Bentz, S. E. Updated checklist of elm (Ulmus) cultivars for use in North America. "Journal of Arboriculture", 21(3): May, 1995. ] . In trials in Oklahoma, the clone was heavily to severely damaged by the Elm Leaf Beetle "Xanthogaleruca luteola" [http://www.sunshinenursery.com/survey.htm] .

Cultivation

Reputed to be a very cold-hardy [Zone 3] tree. 'Lincoln' is not known to be in cultivation beyond North America.

ynonymy

*"Ulmus pumila" 'Lincoln': various authorities.

Accessions

Not known.

Nurseries

None known.

References