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Characterization of Anatolian traditional quince cultivars, based on microsatellite markers

Author(s): C. Yüksel, F. Mutaf, İ. Demirtaş, G. Öztürk, M. Pektaş, A. Ergül

We conducted simple sequence repeat (SSR) analyses of 15 traditional quince (Cydonia oblonga) cultivars from Anatolian gene sources for molecular characterization and investigation of genetic relationships. Three pear and two apple cultivars were used as references for SSR locus data analysis and to determine allele profiles between species. Eight SSR loci that were developed from apple and pear were used, and a total of 44 alleles were found among quince cultivars. The CH01F02 locus was found to have the highest identification probability, while the CH04E03 locus had the lowest identification probability. Analysis of similarity ratios between quince cultivars showed that the lowest similarity ratio was 18% (Eşme-Bardacık), while the highest similarity ratio was 87% (Bursa-Osmancık and Osmancık-Viranyadevi). In the phylogenetic dendrogram, Eşme quince showed separate branching from other quince cultivars, and no synonymous accessions were found. These results suggest that SSR markers from pear and apple could be used to determine genetic variation among quince cultivars. These findings can be used to guide future quince breeding and management studies.