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

AutorAntonio Díaz, Juan; Mallor, Cristina; Soria, C.; Camero, Rocío; Garzo, E. ; Fereres, Alberto ; Alvarez, José María; Gómez-Guillamón, M. L.; Luis-Arteaga, Marisol
Palabras claveCucumis melo
Nonpersistently Aphid-borne Viruses
Fecha de publicaciónago-2003
EditorAmerican Phytopathological Society
CitaciónAugust 2003, Volume 87, Number 8
ResumenTwo 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.
Versión del editorhttp://dx.doi.org/10.1094/PDIS.2003.87.8.960
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