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Table 3 Gain obtained using the M-method at each step of the construction of the nested core collection versus random sampling.

From: Construction of nested genetic core collections to optimize the exploitation of natural diversity in Vitis vinifera L. subsp. sativa

Original collection Sample size M-method (mean number of alleles for 5 runs) Random sampling (mean number of alleles for 5 runs) Gain using M-method
Vassal with G-48 used as core 92 individuals 326 278.2 (+/- 1.3) 15%
Restricted Vassal collection (without rare alleles freq < 0.05%) 48 individuals 269.8 (+/- 1.6) 185.2 (+/- 5.7) 31%
G-48 (without rare alleles freq < 0.05%) 24 individuals 238.2 (+/- 0.4) 218.8 (+/- 6.5) 8%
G-24 (without rare alleles freq < 0.05%) 12 individuals 190.8 (+/- 0.4) 177.8 (+/- 1.6) 6%