Ulmus americana 'Creole Queen'

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Ulmus americana 'Creole Queen'
SpeciesUlmus americana
Cultivar'Creole Queen'
OriginLouisiana, 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[edit]

'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[edit]

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[edit]

  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. Oxford University Press (OUP). 94 (1): 162–166. doi:10.1603/0022-0493-94.1.162. ISSN 0022-0493.
  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. Oxford University Press (OUP). 94 (2): 445–448. doi:10.1603/0022-0493-94.2.445. ISSN 0022-0493.
  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