References of "Genetic Resources and Crop Evolution"
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See detailMorphological and molecular diversity within Algerian cowpea (Vigna unguiculata (L.) Walp.) landraces
Ghalmi, Naima; Malice, Marie ULg; jacquemin, Jean-Marie et al

in Genetic Resources and Crop Evolution (2010), (57), 371-386

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See detailAnalysis Of The Geographic Distribution And Relationships Among Peruvian Wild Species Of Arracacia
Blas, R.; Hermann, M.; Baudoin, Jean-Pierre ULg

in Genetic Resources and Crop Evolution (2008), 55(5), 643-655

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See detailGenetic diversity analysis of wild Arracacia species according to morphological and molecular markers
Blas, R.; Ghislain, M.; del Rosario Herrera, M. et al

in Genetic Resources and Crop Evolution (2008), 55(5), 625-642

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See detailGenetic Structure Of Quinoa (Chenopodium Quinoa Willd.) From The Bolivian Altiplano As Revealed By Rapd Markers
Del Castillo, C.; Winkel, T.; Mahy, Grégory ULg et al

in Genetic Resources and Crop Evolution (2007), 54(4), 897-905

Quinoa (Chenopodium quinoa Willd.) is a pseudocereal originated from the Andes important for small farmers’ food security as well as for commercial production. Recently, it has been claimed that in ... [more ▼]

Quinoa (Chenopodium quinoa Willd.) is a pseudocereal originated from the Andes important for small farmers’ food security as well as for commercial production. Recently, it has been claimed that in Bolivia genetic erosion could result from the marginalization of the crop in the north and from its commercial standardization in the south. The aim of this study was to quantify the hierarchical structure of the genetic variation present in eight quinoa field populations, consisting of cultivated and weedy individuals, representative of the altiplano and interandean valleys of Bolivia. Randomly amplified polymorphic DNA markers show that quinoa has a strong population structure and a high intra-population variation. An effect of geographical structure of the populations was highlighted, due to population isolation, not simply linked to distance but more probably to climatic and orographic barriers present in the studied zone. The population structure is also reinforced by the limited seed exchanges among farmers as revealed by field interviews. This population structure appears related to three major biogeographic zones: the northern and central altiplano, the interandean valley, and the southern Salar. Intrapopulation genetic diversity was higher than that expected for a mainly autogamous species, and higher than that reported in anterior studies based on germplasm collections. These results are commented in view of current knowledge on phylogeny and reproductive biology of the species, and their implications regarding genetic resources management are discussed. [less ▲]

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