Figure 5

Bayesian Skyline plot (BSP) of the wheat collection depicting population size fluctuation over time. The vertical axis represents a time scale of calendar years between 1955 and 2015, while the horizontal axis represents changes in the inferred value of the effective population size over time (Ne). The median estimate is shown as a black line, while the 95% highest posterior density intervals are shown in blue. The genetic erosion of the accessions due to breeding bottleneck is predominant in the figure.