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Table 1 Genetic diversity and PIC of different groups for different K values

From: Characterizing the population structure and genetic diversity of maize breeding germplasm in Southwest China using genome-wide SNP markers

Group Number of lines Gene diversity PIC value
Temperate 152 0.331 (0.000–0.500) 0.265 (0.000–0.375)
Tropical (K = 2) 127 0.347 (0.000–0.500) 0.278 (0.000–0.375)
Tropical (K = 3) 143 0.352 (0.000–0.500) 0.282 (0.000–0.375)
Tropical (K = 4) 142 0.353 (0.000–0.500) 0.282 (0.000–0.375)
Tropical (K = 6) 109 0.338 (0.000–0.500) 0.271 (0.000–0.375)
NSS 55 0.265 (0.000–0.500) 0.216 (0.000–0.375)
SS 114 0.341 (0.000–0.500) 0.272 (0.000–0.375)
Reid (K = 4) 72 0.326 (0.000–0.500) 0.261 (0.000–0.375)
Reid (K = 6) 37 0.286 (0.000–0.500) 0.233 (0.000–0.375)
BSSS 16 0.258 (0.000–0.500) 0.209 (0.000–0.375)
PA (K = 4) 36 0.287 (0.000–0.500) 0.232 (0.000–0.375)
PA (K = 6) 35 0.281 (0.000–0.500) 0.228 (0.000–0.375)
PB (K = 4) 61 0.273 (0.000–0.500) 0.222 (0.000–0.375)
PB (K = 6) 66 0.278 (0.000–0.500) 0.226 (0.000–0.375)
North 63 0.355 (0.000–0.500) 0.283 (0.000–0.375)
Entire 362 0.362 (0.095–0.500) 0.289 (0.091–0.375)