New approaches for mapping ppv (plum pox virus) resistance in apricot (prunus armeniaca)
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AuthorRomero, Carlos; Vilanova, S.; Soriano, J. M.; Martínez-Calvo, José; Abernathy, D.; Llácer, Gerardo; Abbott, Albert Glenn; Badenes, María L.
Cita bibliográficaRomero, C., Vilanova, S., Soriano, J. M., Martinez-Calvo, J., Abernathy, D., Llacer, G., ... & Badenes, M. L. (2005). New approaches for mapping PPV (plum pox virus) resistance in apricot (Prunus armeniaca L.). Phythopalogia Polonica, 36, 85-89.
In this study, we have mapped the PPV (Plum pox virus) resistance trait as a QTL using a non-parametric mapping method based on the Kruskal-Wallis test. To increase the reliability of this analysis new SSR markers from apricot and peach were incorporated to the F2 ‘L×L’ linkage map derived from a self-pollination of the resistant cultivar ‘Lito’. Several tightly linked AFLP markers, located at the upper region of the linkage group 1, showed high significance levels of the Kruskal-Wallis test statistic, indicating the presence of a putative QTL for the PPV resistance trait