Abstract

DEL CASTILLO-GUTIERREZ, Carmen; VICENTE, Juan José  and  WINKEL, Thierry. Intra and inter-population phenotypic variation in seven populations of quinoa (chenopodium quinoa Willd.) Of the Bolivian highlands  . CienciAgro [online]. 2018, vol.8, n.1, pp. 15-21. ISSN 2072-1404.

ABSTRACT Quinoa (Chenopodium quinoa Willd.) shows great genetic variation, both molecular and morphological, which organi-zation remains poorly documented. Through nested ANOVAS and dendrogramme we characterized the structure of the variation in morpho-phenological traits registered from seedling emergence until plant maturity in seven quinoa populations grown in common garden for two years. Results show that the variance in morpho-phenological traits was concentrated at the population and family levels, while traits related to biomass production showed high inter-individual variation. These results have agroecological implications related to the geographic origin of the populations. A comparison of phenotypic and molecular classifications suggests that there is no genetic erosion in the sampled quinoa populations.

Keywords : hierarchical analysis; Bolivia; Chenopodium quinoa; population; phenotypic variation.