Identification of stylosanthes guianensis varieties using molecular genetic analysis.
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The botanical classification of Stylosanthes guianensis is controversial, and few studies have used molecular markers to analyse this species. We used microsatellite markers to study the genetic diversity and population structure of S. guianensis and compare our results with the current infraspecific botanical classification. A representative sample from the S. guianensis Brazilian germplasm collection (150 accessions) was analysed using 20 microsatellite loci. A model-based Bayesian approach implemented in the software STRUCTURE was used to assign accessions into clusters.
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Stylosanthes guianensis, Cerrado, Marcador molecular, Genética vegetal, Leguminosa