Abstract
The development of Simple Sequence Repeat markers (SSRs) for lentil has played a pivotal role in enhancing the comprehension of the lentil genome through genetic mapping. The study aimed to determine the relative positions of newly developed microsatellites to the lentil genome using an F7-derived Recombinant Inbred Lines population (RIL) of 71 individuals developed from a cross between Eston and PI320937. Molecular analysis was performed with 100 newly developed lentil SSR markers and a linkage map was constructed using MapMaker/EXP 3.0b and MapChart 2.2 software. Among the 100 SSR markers, 12 markers exhibited polymorphism, 54 markers were identified as monomorphic, and 34 markers remained unamplified. While 10 out of the 12 polymorphic markers successfully integrated into two linkage groups, covering a cumulative length of 19.2cM, two markers remained unlinked. Linkage group-1, comprised of 8 markers, spanned 4.8cM, and linkage group-2 extended over a length of 14.4cM with two markers. Despite only partially representing 2 out of the 7 chromosomes in the lentil genome, this map holds promise for future mapping studies. Through the addition of markers, it could facilitate marker-assisted selection and the identification of QTLs associated with specific agronomic traits.
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