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Articles by Khandakar Md Iftekharuddaula
Total Records ( 1 ) for Khandakar Md Iftekharuddaula
  Md Abu Syed , Khandakar Md Iftekharuddaula , Partha Sarathi Biswas , Nasira Akter and Mohammod Hossain
  Background and Objective: Arsenic phyto-toxicity tolerance of rice is largely controlled by rice genetics. The objective of present study was to evaluate the genetic variation and diversity of arsenic contaminated rice genotypes. Materials and Methods: A total of 295 SSR markers were used to study 15 arsenic contaminated rice genotypes. The molecular weights for each amplified allele were measured by using Alpha Ease. Summary statistics were determined by using Power Marker and the NTSYS-pc was used for cluster analysis. Results: Identified 191 polymorphic SSR markers detected 552 alleles among the tested genotypes of which 322 were common and the number of rare alleles was 230. Among the rare alleles, 141 were unique (genotype-specific) those could be used for varietal characterization. Polymorphism information content values ranged from 0.12-0.80, with an average of 0.37. Cluster analysis showed distinct two groups of tested genotypes. Cluster-I was constituted by the japonica subspecies US varieties ‘Jefferson’ and ‘Priscilla’ which were significantly different from all other genotypes. Cluster-II was comprised of indica subspecies, which were grouped into two different sub-clusters. Conclusion: It was concluded that high number of rare and unique alleles in the studied genotypes indicated their potentiality to use as a reservoir of rare genotypes.
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