Legume Research
Chief EditorJ. S. Sandhu
Print ISSN 0250-5371
Online ISSN 0976-0571
NAAS Rating 6.80
SJR 0.391
Impact Factor 0.8 (2024)
Chief EditorJ. S. Sandhu
Print ISSN 0250-5371
Online ISSN 0976-0571
NAAS Rating 6.80
SJR 0.391
Impact Factor 0.8 (2024)
Genetic diversity analysis among selected short duration chickpea cultivars and breeding lines based on STMS markers
Submitted06-04-2015|
Accepted31-08-2015|
First Online 05-09-2016|
Genetic diversity among 30 chickpea genotypes was evaluated using simple sequence repeat (SSR) molecular markers. The studies using Sequence Tagged Microsatellite Site (STMS) markers markers revealed that among the primers used across the genotypes produced a total of 35 alleles representing 21 SSR loci with frequencies ranging from one to two (mean 1.66) alleles per locus. Polymorphic Information Content (PIC) ranged from 0.098 to 0.500 (CAM0443, CAM0446). These primers might be an effective and useful tool to determine the genetic differences among chickpea genotypes and to study the phylogenetic relationships. Polymorphic percentage was 96.42. Hierarchical neighbour-joining UPGMA cluster analysis based on simple matching similarity matrix resolved the 30 genotypes into seven clusters. Based on STMS markers highest similarity index 0.850 was observed between BGD 72 and Annigeri-1whereas BGD 9920 and ICC 92944 showed the lowest similarity index 0.214 between them. The STMS clustering pattern indicated the presence of wide genetic diversity between the genotypes. Overall, the study ascertained that SSRs provide powerful marker tools in revealing genetic diversity and relationships in chickpeas, thereby proving useful for selection of parents in breeding programs and also for DNA fingerprinting for identification of cultivars.
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