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Potential Sources of Resistance for Melon to Nonpersistently Aphid-borne Viruses

    Affiliations
    Authors and Affiliations
    • Juan Antonio Díaz , Estación Experimental “La Mayora”, Consejo Superior de Investigaciones Científicas, 29750 Algarrobo-Costa, Málaga, Spain
    • Cristina Mallor , Departamento de Protección Vegetal, S. I. A., Diputación General de Aragón, Zaragoza, Spain
    • Carmen Soria
    • Rocío Camero , Estación Experimental “La Mayora”, Consejo Superior de Investigaciones Científicas, 29750 Algarrobo-Costa, Málaga, Spain
    • Elisa Garzo
    • Alberto Fereres , Centro de Ciencias Medioambientales, Consejo Superior de Investigaciones Científicas, Madrid, Spain
    • José María Alvarez , Departamento de Protección Vegetal, S. I. A., Diputación General de Aragón, Zaragoza, Spain
    • María Luisa Gómez-Guillamón , Estación Experimental “La Mayora”, Consejo Superior de Investigaciones Científicas, 29750 Algarrobo-Costa, Málaga, Spain
    • Marisol Luis-Arteaga , Departamento de Protección Vegetal, S. I. A., Diputación General de Aragón, Zaragoza, Spain
    • Enrique Moriones , Estación Experimental “La Mayora”, Consejo Superior de Investigaciones Científicas, 29750 Algarrobo-Costa, Málaga, Spain

      Published Online:https://doi.org/10.1094/PDIS.2003.87.8.960

      Two hundred and sixty-eight Cucumis melo and wild relative accessions were evaluated for resistance to Cucumber mosaic virus (CMV), Papaya ringspot virus strain W (PRSV-W), Watermelon mosaic virus (WMV), and Zucchini yellow mosaic virus (ZYMV). Symptom development and systemic infection based on double antibody sandwich enzyme-linked immunosorbent assays were monitored. Sources of resistance were scarce. However, a number of them were found among the C. melo accessions tested. Thus, the accession C-189 behaved similarly to PI 161375 and showed resistance to “common” CMV strains although it was infected by a “song” type CMV. For WMV, the accessions C-768 and C-425, although infected, exhibited very mild symptoms, and recovery from infection occurred in some occasions in the former. A similar trait was also found in C-105, although in this case symptoms rarely appear and part of the plants are not infected. In addition, C-105 was highly resistant to virus transmission by Aphis gossypii, similarly to PI 161375. Accessions C-885 and C-769 exhibited resistance to PRSV-W, WMV, and ZYMV; therefore they are potential sources of multiple resistance. Resistance traits were also found in wild relatives that could be exploited when interspecific barriers with C. melo can be circumvented.