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Genetic diversity associated with agronomic traits using microsatellite markers in Pakistani rice landraces Electron. J. Biotechnol.
Pervaiz,Zahida Hassan; Rabbani,M. Ashiq; Khaliq,Ishtiaq; Pearce,Stephen R; Malik,Salman A.
Genetic diversity underlies the improvement of crops by plant breeding. Land races of rice (Oryza sativa L.) can contain some valuable alleles not common in modern germplasm. The aim here was to measure genetic diversity and its effect on agronomic traits among rice land-race genotypes grown in Pakistan. Diversity was measured using thirty-five microsatellite markers and seventy-five genotypes. Among the markers used a total of 142 alleles were detected at 32 polymorphic SSR loci, while three loci were monomorphic in Pakistani rice landraces. The number of alleles identified by each marker ranged from 2 to 13 with a mean of 4.4. Size differences between the smallest and largest alleles varied from 11bp to 71bp. Polymorphism information content ranged from...
Tipo: Journal article Palavras-chave: Genetic diversity; Landraces; Microsatellite markers; Oryza sativa L.; Pakistan; Rice.
Ano: 2010 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582010000300004
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