• Thumbnail for Elm yellows
    Elm yellows is a plant disease of elm trees that is spread by leafhoppers or by root grafts. Elm yellows, also known as elm phloem necrosis, is very aggressive...
    7 KB (770 words) - 03:25, 18 June 2024
  • Thumbnail for Elm
    the original O. ulmi and reduced its sporulation. Elm phloem necrosis (elm yellows) is a disease of elm trees that is spread by leafhoppers or by root grafts...
    73 KB (8,366 words) - 01:53, 13 September 2024
  • Thumbnail for Wilt disease
    needed] Dutch elm disease is caused by the fungus Ophiostoma ulmi, it affects elm trees.[citation needed] Elm yellows sometimes called elm phloem necrosis...
    10 KB (1,053 words) - 14:01, 25 January 2024
  • Yellows may refer to: Shades of yellow Yellow Coliadinae Clouded yellows, a common name for Colias, a genus of butterflies Grass yellows, a common name...
    977 bytes (150 words) - 00:18, 15 November 2021
  • Thumbnail for Ulmus parvifolia
    Ulmus parvifolia (redirect from Chinese Elm)
    beetle Xanthogaleruca luteola, but has a moderate susceptibility to elm yellows. In trials at the Sunshine Nursery, Oklahoma, the species was adjudged...
    21 KB (2,337 words) - 02:12, 18 August 2024
  • Thumbnail for Ulmus americana
    Ulmus americana (redirect from American elm)
    tessellaris). The American elm is susceptible to Dutch Elm Disease and to elm yellows. In North America, there are three species of elm bark beetles: one native...
    84 KB (8,687 words) - 01:52, 25 June 2024
  • Thumbnail for Ulmus glabra
    Ulmus glabra (redirect from Wych elm)
    elm disease than the normal diploid form. In trials conducted in Italy, the tree was found to have a slight to moderate susceptibility to elm yellows...
    33 KB (3,474 words) - 13:47, 3 October 2024
  • Thumbnail for Ulmus pumila
    Ulmus pumila (redirect from Asiatic Elm)
    parasites, including the elm leaf beetle Xanthogaleruca luteola, the Asian 'zigzag' sawfly Aproceros leucopoda, Elm Yellows, powdery mildew, cankers,...
    34 KB (3,893 words) - 20:28, 25 March 2024
  • Thumbnail for Phytoplasma
    virescent petals Cherry X-disease Elm yellows Grapevine yellows List of taxa with candidatus status Milkweed yellows phytoplasma List of bacterial orders...
    64 KB (5,422 words) - 12:04, 12 September 2024
  • Thumbnail for Ulmus alata
    Ulmus alata (redirect from Winged Elm)
    the other North American species of elm, U. alata is very susceptible to Dutch elm disease and Elm Yellows (Elm phloem necrosis). Ulmus alata is rarely...
    10 KB (1,031 words) - 02:10, 18 August 2024