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Figure 2 | BMC Plant Biology

Figure 2

From: Microsatellite diversity and broad scale geographic structure in a model legume: building a set of nested core collection for studying naturally occurring variation in Medicago truncatula

Figure 2

Comparison of the efficiency of random and "M" sampling strategies. (A) The score, calculated as the number of alleles captured in each core collection summed over 6 loci chosen as marker loci, of a pure random strategy (black) and the M strategy (grey) are compared for various Core (collection) sizes. For each core size, the score of each method reported here is an average over 30 independent core collections. (B) The score, calculated as the number of alleles captured in each core collection summed over 7 loci chosen as target loci, of a pure random strategy (black) and the M strategy (grey) are compared for various Core (collection) sizes. For each core size, the score of each method reported here is an average over 30 independent sampled core collections. See methods for details about the implementation of each sampling strategy.

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