ArticleInternational journal of molecular sciences2025
Simple Sequence Repeat-Based Genetic Diversity Analysis of Alfalfa Varieties.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Research Progress and Prospects of Molecular Marker Technology on Jujube Trees.Plants (Basel, Switzerland) · 2026Review
- Transcriptome-Wide Identification and Development of SSR Markers for Genetic Diversity Studies in MedicinalInternational journal of molecular sciences · 2026Article
- Genome-wide SSR marker development and application in molecular breeding ofFrontiers in plant science · 2026Article
- Implications of morphological and molecular distinctness on the registration of alfalfa candidate varieties issued by a breeding program: a case study.Frontiers in plant science · 2026Article
- ISSR-Based Genetic Diversity and Structure ofLife (Basel, Switzerland) · 2025Article
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7 authors.
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Abstract
Alfalfa, as a high-quality forage resource, has high nutritional value. Due to the high phenotypic similarity among its varieties and the susceptibility to environmental influences, challenges are encountered in variety identification and breeding. In this study, 23 simple sequence repeat (SSR) markers were screened to distinguish 49 alfalfa varieties, among which 21 SSR markers showed polymorphic fragments. The results indicated that these 21 markers were highly polymorphic, with an average of 5.91 alleles per SSR marker locus and an average polymorphic information content (PIC) of 0.66, suggesting a strong discriminatory efficiency. The results of a population genetic diversity analysis showed that there was a relatively high level of genetic diversity among the tested materials. The analysis of molecular variance (AMOVA) results indicated that the genetic variation within the population of the 49 alfalfa germplasm samples was the main source of the total variation. The results of genetic distance and genetic identity analyses showed that the genetic relationship between population 1 and population 4 was the most distant, while the relationship between population 2 and population 3 was the closest. The cluster analysis results showed that samples S16 and S55 formed a separate branch; that is, there were two main genetic subgroups. These results confirm that SSR markers are effective tools for genetic characterization and precise discrimination of alfalfa varieties and have important application values in breeding, variety registration, and germplasm resource conservation.
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