Ulmus americana 'Creole Queen'

Ulmus americana 'Creole Queen'
Species	Ulmus americana
Cultivar	'Creole Queen'
Origin	Louisiana, US

The American elm cultivar Ulmus americana 'Creole Queen' was cloned from a tree growing outside New Orleans and was released in 2008. ^{[1] [2]}

Description

'Creole Queen' is distinguished by its narrow habit, typically growing to a height of 15 m, with a crown width of 4.5 m. The tree is reputedly very heat tolerant.

Pests and diseases

No specific information available, but the species as a whole is highly susceptible to Dutch elm disease and elm yellows; it is also moderately preferred for feeding and reproduction by the adult elm leaf beetle Xanthogaleruca luteola , ^[3] and highly preferred for feeding by the Japanese beetle Popillia japonica ^{[4] [5]} in the United States. U. americana is also the most susceptible of all the elms to verticillium wilt. ^[6]

References

1. Maine Arborist Association. (2008). Newsletter. Vol. 13, Issue 11. Summer 2008.
2. Great Southern Tree Conference. (2009). Research Report. University of Florida.
3. Miller, Fredric; Ware, George (2001-02-01). "Resistance of Temperate Chinese Elms (Ulmus spp.) to Feeding by the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae)". Journal of Economic Entomology. 94 (1). Oxford University Press (OUP): 162–166. doi: 10.1603/0022-0493-94.1.162 . ISSN   0022-0493. PMID   11233108.
4. Miller, Fredric; Ware, George; Jackson, Jennifer (2001-04-01). "Preference of Temperate Chinese Elms ( Ulmus spp.) for the Adult Japanese Beetle (Coleoptera: Scarabaeidae)". Journal of Economic Entomology. 94 (2). Oxford University Press (OUP): 445–448. doi: 10.1603/0022-0493-94.2.445 . ISSN   0022-0493. PMID   11332837.
5. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
6. Pegg, G. F. & Brady, B. L. (2002). Verticillium Wilts. CABI Publishing. ISBN   0-85199-529-2