ArticlePloS one2013
Molecular Genetic Diversity of Major Indian Rice Cultivars over Decadal Periods.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Trait specific marker-based characterization and population structure analysis in rice (Oryza sativa L.) germplasm of Kashmir Himalayas.Molecular biology reports · 2023Article
- Unravelling genetic architecture and development of core set from elite rice lines using yield-related candidate gene markers.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Karyotype diversity in cultivated and wild Indian rice through EMA-based chromosome analysis.Journal of genetics · 2021Article
- Evaluation of Genetic Diversity and Population Structure Analysis among Germplasm ofMycobiology · 2021Article
- Variability Assessment for Root and Drought Tolerance Traits and Genetic Diversity Analysis of Rice Germplasm using SSR Markers.Scientific reports · 2019Article
- Population structure and association analysis of heat stress relevant traits in chickpea (3 Biotech · 2018Article
- New Hypervariable SSR Markers for Diversity Analysis, Hybrid Purity Testing and Trait Mapping in Pigeonpea [Frontiers in plant science · 2017Article
- Article
- Review of methods for the detection and quantification of adulteration of rice: Basmati as a case study.Journal of food science and technology · 2015Review
- Identification and analysis of novel salt responsive candidate gene based SSRs (cgSSRs) from rice (Oryza sativa L.).BMC plant biology · 2015Article
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8 authors.
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Abstract
Genetic diversity in representative sets of high yielding varieties of rice released in India between 1970 and 2010 was studied at molecular level employing hypervariable microsatellite markers. Of 64 rice SSR primer pairs studied, 52 showed polymorphism, when screened in 100 rice genotypes. A total of 184 alleles was identified averaging 3.63 alleles per locus. Cluster analysis clearly grouped the 100 genotypes into their respective decadal periods i.e., 1970s, 1980s, 1990s and 2000s. The trend of diversity over the decadal periods estimated based on the number of alleles (Na), allelic richness (Rs), Nei's genetic diversity index (He), observed heterozygosity (Ho) and polymorphism information content (PIC) revealed increase of diversity over the periods in year of releasewise and longevitywise classification of rice varieties. Analysis of molecular variance (AMOVA) suggested more variation in within the decadal periods than among the decades. Pairwise comparison of population differentiation (Fst) among decadal periods showed significant difference between all the pairs except a few. Analysis of trends of appearing and disappearing alleles over decadal periods showed an increase in the appearance of alleles and decrease in disappearance in both the categories of varieties. It was obvious from the present findings, that genetic diversity was progressively on the rise in the varieties released during the decadal periods, between 1970s and 2000s.
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