Fig. 2From: Genetic variation within and between populations of a desert poplar (Populus euphratica) revealed by SSR markers a The tree based on pairwise standard genetic distances (Nei 1972) was constructed using the PHYLIP v. 3.6c software package. b Bar plots showing the proportion of inferred co-ancestry based on Bayesian clustering analysis. A population assignment test using STRUCTURE (version 2.3.2) software based on eight microsatellite loci produced from different groups (Kβ=β4)Back to article page