Characterization of genetic diversity of a collection of quinua (chenopodium quinoa willd)
Abstract
Quinua (C. quinoa W.) is considered a cereal with excellent nutritional properties, including high protein contein, because it has all amino acids, trace elements and significant amounts of vitamins. In Colombia more accurately in the department of Nariño, Cauca, Cundinamarca y Boyacá currently has had a huge boost due to their agronomic potential and different benefits derived from the production, processing and marketing of its products. Therefore, the objective of this research was to characterize the genetic diversity of a collection of 55 materials quinoa with seven microsatellite markers RAMs. The analysis by the coefficient of Nei-Li at the level of similarity of 0,65 divided the population into four groups according the site origin materials. The value of average heterozygosity was 0,34 which is considered low compared to other studied of genetic diversity in Chenopodium. Molecular Analysis of Variance (AMOVA) and Fst demonstrate the existence of genetic variability at the intraspecific level. The parameters of genetic diversity found in this study show that the quinoa materials of the Boyacá governance collection are very homogeneous, however the variability that exists must be exploited in the breeding programs of the species leading to the production of new and better quinoa materials.Downloads
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