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Figure 1 | BMC Plant Biology

Figure 1

From: Genetic characterization of a core collection of flax (Linum usitatissimum L.) suitable for association mapping studies and evidence of divergent selection between fiber and linseed types

Figure 1

Genetic relationships and population structure of the 407 flax accessions of the core collection. (a) Phylogenetic tree created using the Neighbor-joining (NJ) algorithm [62] and information from 414 neutral SSRs. Colored clusters represent the sub-groups within major groups. The scale bar indicates the Nei [62] minimum genetic distance. (b) Bayesian clustering (STRUCTURE K = 2). Sub-groups within groups are distributed according to the clustering obtained by the NJ analysis. Accessions with a membership coefficient Q < 0.7 were classified as admixture Group 2. (c) Average log-likelihood values (mean lnP(D) ± SD for 10 iterations) and ad-hoc statistic ΔK[70] for K values ranging from 1 to 12.

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