《Table 2–Comparison of genetic diversity detected within different mung bean germplasm by SSR marker

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《Genetic diversity assessment of a set of introduced mung bean accessions(Vigna radiata L.)》

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In contrast to previous studies on mung bean diversity analysis with SSR markers，we observed a higher diversity level，considering the distribution of the germplasm studied（Table 1）.In total，the NA ranged from 2 to 6 in most of the diversity analyses of the mung bean[6，7，29，30，32，39，40]as we list in Table 2，and only an average of 6.1 alleles were detected within a core collection of 1481 mung bean accessions[7]，indicating low genetic variation in the mung bean compared to the soybean genome[41].We detected an average of 4.2alleles per locus using 184 accessions，a value similar to that detected in 692 accessions from 27 countries[30]and higher than that detected in 157 accessions using EST-SSR markers[29].We also detected a higher average PIC value compared to those in previous reports（Table 2），indicating a greater richness in the distribution of alleles.The GSCs in the present study were in agreement with the calculated diversity values.Most of the GSCs were lower than 0.50 and there were some accession pairs with GSCs of zero，suggesting that they had completely different genetic backgrounds.