Table 2. Analysis of molecular variance (AMOVA) based on twenty-five SSR markers.
| Source of variation | d.f. | Sum of squares | Variance components | Percentage of variation | Fixation index |
|---|---|---|---|---|---|
| Among 21 populations | |||||
| Among populations | 20 | 1172.81 | 1.30 Va | 16.3 | FST = 0.16 |
| Within populations | 819 | 5480.55 | 6.69 Vb | 83.7 | |
| Total | 839 | 6653.36 | 7.99 | 100.0 | |
| Among three genetic clusters | |||||
| Among clusters | 2 | 610.07 | 1.91 Va | 13.6 | FST = 0.18 |
| Among the populations within each cluster | 18 | 562.74 | 0.57 Vb | 4.7 | FSC = 0.05 |
| Within populations | 819 | 5480.55 | 6.69 | 81.7 | FCT = 0.14 |
| Total | 839 | 6653.36 | 9.17 | 100.0 |
FST: variance among the coefficients of individuals relative to the total variance. FSC: variance among subpopulations within groups. FCT: variance among groups relative to the total variance.