Additional file 2.

Analyses of population Structure in the AMP. A. Principal coordinate analysis of the AMP based on Rogers’ distance estimates. Percentages in parentheses refer to the proportion of variance explained by the principal coordinate (PC). B. Data posterior probability (Ln x/k) and rate of change in the log probability of data between successive k values (Δk). The values for k = 9 are indicated by arrows. C. Estimated population structure at k = 9. Each inbred line (bar) is partitioned into k colored segments that represent the individual’s estimated membership fractions in k clusters.

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Fusari et al. BMC Plant Biology 2012 12:93   doi:10.1186/1471-2229-12-93