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Table 4 Genetic diversity indices of accessions in MC extraction using two different strategies and a significance of difference analysis based on t -tests

From: Genetic diversity assessment of sesame core collection in China by phenotype and molecular markers and extraction of a mini-core collection

Group Genetic diversity index based on phenotypic data Genetic diversity index based on molecular data
  RM-Sh.W. M-Sh.W. RM-Nei M-Nei RM-Sh.W. M-Sh.W. RM-Nei M-Nei
I 0.8458 0.9211 0.4908 0.5205 0.3291 0.3847 0.2099 0.2471
II 0.9241 0.9897 0.5401 0.5662 0.3173 0.3783 0.1958 0.2380
III 0.9784 1.0137 0.5755 0.5860 0.2568 0.3287 0.1610 0.2090
IV 0.9374 0.9651 0.5378 0.5424 0.3454 0.4228 0.2171 0.2766
V 0.9428 0.9730 0.5419 0.5577 0.3583 0.4248 0.2314 0.2852
VI 0.9047 1.0038 0.5553 0.5768 0.3181 0.4156 0.2057 0.2755
VII 0.9614 1.0329 0.5767 0.5938 0.3609 0.4310 0.2334 0.2863
VIII 0.7749 0.8977 0.4652 0.5223 0.2498 0.3187 0.1655 0.2062
IX 0.8487 0.9123 0.4897 0.5110 0.3453 0.3699 0.2285 0.2429
t value −6.18 −4.52 −10.17 −8.87
P value 0.0003 0.0019 <0.0001 <0.0001
  1. ‘RM-Sh.W.’ and ‘M-Sh.W.’ indicate the Shannon-Weaver diversity index of the MC extracted using the random sampling strategy and the advanced maximization strategy, respectively. ‘RM-Nei’ and ‘M-Nei’ indicate the Nei genetic diversity index of MC extracted by the random sampling strategy and the advanced maximization strategy, respectively.