Molecular characterization of Turkish hazelnut cultivars and genotypes using SSR markers

Year 2024, , 88 - 93, 25.03.2024

Muharrem Yılmaz , Ahsen Işık Özgüven , Yıldız Aka Kaçar

https://doi.org/10.31015/jaefs.2024.1.10

Abstract

This study defines the genetic characterization of 16 hazelnut varieties and 64 genotypes. SSR method was used in molecular characterization studies. 18 SSR primers were used. In the SSR method, 118 bands were obtained, and 115 were polymorphic. The similarity coefficient in overall genotypes were between 0.12 and 0.98 in SSR andthe polymorphism rate of the primer pairs used was calculated as 98.0%. The lowest polymorphism information content value (0.542) was obtained from the CAC- C 028 locus, and the highest polymorphism information content value (0.987) was obtained from the CAC- B 113 locus. The average polymorphism information content value was 0.786. The total discrimination power values of SSR loci were determined as 17.98; the lowest (0.748) discrimination power value was obtained from the CAC- B 020 locus, while the highest (1.404) discrimination power value was obtained from the CAC- A 024 b locus. The genotypes’clustering positions across the dendograms were essentially correlated with their geographic origins. This result shows that genetic origin plays an important role in terms of classification of genotypes in hazelnut.

Keywords

Hazelnut, Molecular characterization, SSR

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