Fig. 3From: Genetic origin and composition of a natural hybrid poplar Populus × jrtyschensis from two distantly related speciesGenetic clustering of all individuals of P. nigra, P. laurifolia and P. × jrtyschensis. a Principal Component Analysis (PCA), b NeighborNet (NNet), and c Population cluster analysis using STRUCTURE (K = 2 and 3) based on nuclear gene dataset; d Principal Component Analysis (PCA), e NeighborNet (NNet), and f Population cluster analysis using STRUCTURE (K = 2 to 3) based on SSR datasetsBack to article page