Transmission of Tomato Ringspot Virus by Xiphinema americanum and X. rivesi from New York Apple Orchards
AbstractPopulations of Xiphinema americanum and X. rivesi were collected from apple orchards in eastern and western New York and tested in the laboratory for ability to transmit tomato ringspot virus (TmRSV) to cucumber and dandelion. Populations varied in the frequency with which they transmitted TmRSV, but this variation did not correspond to variation in disease prevalence in the orchard. The lower prevalence of TmRSV-incited disease in apple trees in western New York cannot be attributed to inability of the local Xiphinema spp. to transmit TmRSV. Key words: Cucumis sativus, Taraxacum ojficinale, tomato ringspot virus, Xiphinema americanum, X. rivesi.
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