Ulmus americana | |
---|---|
Details | |
Cultivar | 'Jackson' |
Origin | Wichita, Kansas |
'Jackson' is a cultivar of the American Elm Ulmus americana, selected from Wichita, Kansas.
Contents |
Not available.
'Jackson' had reputedly shewn no signs of Dutch elm disease damage at > 50 years of age. However, the tree had not been tested (< 1995) by artificial inoculation.[1] The species is highly susceptible to Elm Yellows; it is also moderately preferred for feeding and reproduction by the adult Elm Leaf Beetle Xanthogaleruca luteola [2] [1], and highly preferred for feeding by the Japanese Beetle Popillia japonica [3] [2] [3] in the USA. U. americana is also the most susceptible of all the elms to verticillium wilt.[4]
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.