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Molecular marker based genetic diversity analysis of international rice (Oryza sativa L.) germplasm

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Title Molecular marker based genetic diversity analysis of international rice (Oryza sativa L.) germplasm
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Creator Neha Singh, Ravindra Kumar, Akash Tomar, Purushottam, Jitender Singh and Sanjay Singh
 
Subject Rice, SSR, Genetic Variation, Genotypes
 
Description Not Available
The genetic variation and relationships among 32 rice genotypes of diverse origin were evaluated using 19 simple sequence repeat (SSR) primers. Among 19 SSRs primers, 17 showed 100% polymorphism. The number of alleles ranged from 2 to 10 with the average value of 4.37 per locus. Three primers generated a total of 5 rare alleles. Polymorphism information content (PIC) values of the primers ranged from 0.79 (RM 167) to 0.99 (RM 47 and RM 10) with an average of 0.84. Cluster analysis based on SSR banding pattern grouped the rice genotypes into 2 major clusters with additional sub-clusters. SSR analysis revealed that genotype AUS287 was distantly related to Kalonchi with Jaccard similarity coefficient of 0.64. SSR analysis resulted in a more definitive separation of clusters of genotypes, indicating a higher level of efficiency of SSR markers for the accurate determination of relationship between genotypes.
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Date 2021-07-14T10:01:28Z
2021-07-14T10:01:28Z
2015-01-01
 
Type Research Paper
 
Identifier 04
Print ISSN : 0972-6152. Online ISSN : 0976-4615.
http://krishi.icar.gov.in/jspui/handle/123456789/47937
 
Language English
 
Relation Not Available;
 
Publisher IndianJournal.com