Ulmus americana 'Jackson'

The American Elm cultivar Ulmus americana 'Jackson' was cloned from a selection made at Wichita, Kansas, which had reputedly shewn no signs of Dutch elm disease damage at >50 years of age.

Ulmus americana 'Jackson'
SpeciesUlmus americana
Cultivar'Jackson'
OriginWichita, Kansas, US

Pests and diseases

The resistance of 'Jackson' to Dutch Elm Disease has not (< 1995) been confirmed by artificial inoculation.[1] 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 [2], and highly preferred for feeding by the Japanese Beetle Popillia japonica [3] [4] in the United States. U. americana is also the most susceptible of all the elms to verticillium wilt.[5] [6]

Cultivation

Last listed in the Fall 1994 - Spring 1995 catalogue of the now-defunct Arborvillage Farm Nurseries, Holt, Missouri. The tree is not known to have been introduced to Europe or Australasia.

Accessions

North America
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gollark: I mean, they correlate decently with various measures of successfulness.
gollark: IQ tests are actually okay?
gollark: Intelligence is not knowledge of codegolf stuff.

References
  1. Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016.
  2. 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. PMID 11233108.CS1 maint: ref=harv (link)
  3. 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. PMID 11332837.
  4. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
  5. Pegg, G. F. & Brady, B. L. (2002). Verticillium Wilts. CABI Publishing. ISBN 0-85199-529-2
  6. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.


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