Genetic diversity in apricot cultivars based on AFLP markers |
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Authors: | MA Hurtado A Westman E Beck GA Abbott G Llácer ML Badenes |
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Institution: | (1) Instituto Valenciano de Investigaciones Agrarias, Apartado Oficial, 46113 Moncada, Valencia, Spain;(2) Department of Biological Sciences, Clemson University, Clemson, SC, 29634-1903, U.S.A |
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Abstract: | A set of cultivars used as genitors in apricot breeding programs aimed at introducing sharka resistance were examined by AFLP
molecular marker analysis. The markers obtained indicated that apricot cultivars resistant to sharka were related to the European
cultivars, but they potentially share a common ancestor donor of sharka outside of the European group. Segregation of AFLP
and RAPD markers has been tested in two progenies of two crosses, one between a resistant and a susceptible cultivar and one
between two susceptible accessions. The heterozygozity of families obtained from crosses between resistant and susceptible
cultivars is similar to those obtained from other self-incompatible Prunus species. On the other hand, heterozygosity of a
progeny obtained from a cross between European susceptible cultivars was very low. The usefulness of the information provided
by AFLPs for apricot breeding programs is discussed.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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Keywords: | amplified fragment polimorphic DNA plum pox virus Prunus armeniaca L |
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