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Elaboration of Genetic Diversity in Peas (Paperback)
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Elaboration of Genetic Diversity in Peas (Paperback)
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Screening of the genotypes through plasmid assisted technology
provides an efficient and handy tool for elaborating genetic
relationships among the genotypes. Pea (Pisum sativum L.) genotypes
(populations) obtained from different sources were analyzed through
RAPD, DNA markers for evaluation of intraspecific DNA variations.
The results revealed that significant variations were present in
minor bands. Major bands also showed significant diversity.
Variations were also recorded in the density of some common bands.
Maximum and minimum Genetic Diversity i.e., 80% and 20% was found
among 08 and 23 comparisons respectively in banding profile. These
variations can be used for enhancing variability, a prerequisite
for crop breeding. Phylogenetic clustering of the genotypes
revealed that genetic diversity is independent of origin or source
of the genotypes. Forty eight genotypes of pea clustered in three
main groups A, B and C comprising 23, 5 and 20 genotypes,
respectively. A1 and C1 included the most distantly related
genotypes and hence can be recommended for breeding to obtain
genetically diverse populations.
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