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ISHS Acta Horticulturae 94: XI International Symposium on Fruit Tree Virus Diseases

DETECTION OF VIRUSES AND OTHER GRAFT-TRANSMISSIBLE VIRUS-LIKE DISEASES OF FRUIT TREES

Abstract:
(Compile dby the International committee for Cooperation in Fruit Tree Virus Research — September 1979)
  1. Standard list of indicators

    Indicator
    (Duration of the observation)
     
    Detected viruses and diseases



    APPLE  
      Malus pumila  
       Stahls Prinz (3 years)
       Lord Lambourne M 139 (3 years)
       Lord Lambourne M 139 (3 crops)
       Golden Delicious (3 crops)




       Spy-227 (2 years)

       Virginia Crab (2 years)
    Flat limb. Rubbery wood.
    Rubbery wood. Flat limb. Mosaic.
    Chat fruit.
    Green crinkle. Rough skin. Russet ring.
    Russet wart. Leaf pucker. Star crack.
    Ring spot. Scar skin. Dapple apple.
    Green mottle. Mosaic. Proliferation
    (inoculated by root grafting).
    Spy epinasty. Spy decline. Chlorotic
    leaf spot. Stem pitting.
    Stem grooving. Stem pitting. Virginia
    decline.
      Malus platycarpa
    (2 years)
    Chenopodium quinoa
    (15 daya)
    Platcarpa scaly bark. Platycarpa
    dwarf. Chlorotic leaf spot.
    Chlorotic leaf spot. Stem grooving.
    Tobacco necrosis. Tobacco mosaic.

    PEAR AND QUINCE  
      Pyrus communis
       Kirchensaller (1 year)
       Jules d'Airolles (1 year)
     
    Vein yellows.
    Vein yellows.

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