Table 1.

Genetic diversity analysis of three flax sub-populations identified by STRUCTURE

	Overall	South Asian	South American	North American	P value
Allele number	408	275	345	354	0.0001*
Allele/locus	2.72	1.83	2.30	2.36	0.0001*
Major allele frequency	0.75	0.81	0.77	0.78	0.0897 n.s.
Exp. heterozygosity	0.35	0.26	0.32	0.31	0.0198*
Allelic richnessa	2.71	1.81	2.21	2.03	0.0001*
Private allelesa	–	17	41	20	0.0001*
Pop. specific F ST	0.19	0.30	0.14	0.19	0.0001*
PIC value	0.30	0.21	0.27	0.26	0.0069*

n.s. nonsignificant

^aCorrected by population size (n = 10)

*P < 0.05, statistical significance was tested by ANOVA