Determination of genetic similarity of different eggplant genotypes via SSR molecular markers
Makaleler > Tam Makale · 2026
Yazarlar: Gölgen Bahar ÖZTEKİN
Ciência Rural, SCI Expanded İndekslerine Giren Dergi, Uluslararası, Wos, 2026, cilt 56, ss 1-12
DOI: 10.1590/0103-8478cr20250238
Özet
ABSTRACT: In this study, 65 eggplant genotypes including local and variaty candidate genotypes, commercial and wild genotypes used for molecular characterization. SSR markers were employed for genetic diversity assessment. Based on PIC and allele numbers, 28 simple sequence repeat (SSR) primers were selected for genetic diversity assessment. Genotypes have been scored based on SSR primers, similarity coefficients have been determined, dendrograms have been constructed, and PCA analysis has been performed. A total of 72 polymorphic markers were obtained from 28 primers, with 78.57% of the primers were polymorphic. Factor analyses based on PCA identified 13 distinct factor groups, representing 87.70% of the total variation. Genotype similarity ranged from 29% to 100%, genotypes grouped into 6 clusters at a 50% similarity level. Genotypes 16 and 17 were identified as the most closely related genotypes, exhibiting 100% similarity. They were followed by genotype pairs 61 and 62, 47 and 48, 25 and 28, and 1 and 23, all of which showed similarity coefficients of 90% or higher. Local eggplant genotypes showed genetic variation. It has been determined that the existing variation is important for genetic diversity and that the obtained data are suitable for use in breeding programs.