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ISHS Acta Horticulturae 67: X International Symposium on Fruit Tree Virus Diseases

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

Abstract:
  1. Standard list of indicators


    Indicator
    (Duration of the Observations)
          Detected viruses and diseases
    APPLE  
        Malus pumila

           Stahls Prinz (3 years)

           Lord Lambourne M 139 (3 years)


           Golden Delicious (3 crops)





           Spy 227 (2 years)


           Virginia Crab (2 years)


     

    Flat Limb. Rubbery wood.

    Rubbery wood. Flat Limb. Chat
    fruit. Mosaic.

    Green crinckle. Rough skin. Russet
    ring. Russet wart. Leaf pucker.
    Star crack. Ring spot. 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
        (10 years)

    Platycarpa scaly bark. Platycarpa
    dwarf. Chlorotic leaf spot.

    Chlorotic leaf spot. Stem grooving.


    PEAR AND QUINCE

        Pyrus communis

           Kirchensaller (1 year)

           Jules d'Airolles (1 year)

           Bon Chrétien Williams (3 years)


           Beurré Hardy ( 2 years)

           Beurré Bosc (3 crops)

           A 20 ( 3 years)


        Pyronia veitchii
        (2 years)




    Cydonia oblong C7/1
        (2 years)
     

     

    Vein yellows.

    Vein yellows.

    Rough bark. Split bark. Blister
    canker. Pear decline

    Ring mosaic. Bud drop.

    Stony pit.

    Vein yellows. Ring mosaic. Blister
    canker. Rough bark. Split bark.

    Vein yellows. Ring mosaic. Quince
    stunt. Quince sooty ring spot.
    Pear decline. Apple chlorotic leaf
    spot.

    Vein yellows. Ring mosaic. Quince
    sooty ring spot. Rubbery wood.
    Quince yellow blotch. Apple chlorotic
    leaf spot.

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