Table 2. AMOVA analysis.

Analysis of molecular variance (AMOVA) for the three regional groups defined from SAMOVA analysis. Significant P- values are indicated in bold.

Grouping	Source of variation	df	Sum of squares	Variance components	Percentage of variation	Statistics	P-value
(NA, KI); (YE, WA, BU, TA, AN); (WE, QI, LI)	Among groups	2	86.499	0.80758	15.38	ΦCT = 0.151	<0.0001
	Among populations within groups	7	29.243	−0.01522	−0.29	ΦSC = 0.003	0.5537
	Within populations	167	744.487	4.45801	84.91	ΦST = 0.154	0.0004