Inheritance of zucchini yellow mosaic virus resistance in Cucumis melo L. |
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Authors: | M. Pitrat H. Lecoq |
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Affiliation: | (1) Institut National de la Recherche Agronomique (INRA), Station d'Amélioration des Plnates maraîchères, Centre de Recherches Agronomiques d'Avignon, B.P. 94, 84140 Montfavet, France;(2) Present address: INRA Station de Pathologie végétale, B.P. 94, 84140 Montfavet, France |
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Abstract: | Summary Resistance to zucchini yellow mosaic virus has been found in the muskmelon line PI 414723 from India. This resistance is effective against the ZYMV strains E15 and 1318 belonging respectively to the NF and F pathotypes. Resistance to E15 (no vein clearing and yellowing symptoms) is governed by one dominant gene (symbol Zym) according to segregations observed in F1, F2 and BC1 progenies. This gene is epistatic dominant over Fn, which induces wilting and necrosis after inoculation with F pathotype. Linkage studies suggest that Zym inherits independently from Fom-1, Fom-2, Vat, Wmv and Fn but is linked with a (13.1 ±2.4 units). |
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Keywords: | Cucumis melo muskmelon resistance zucchini yellow mosaic virus genetics linkage |
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