Table 2.
Results for analysis of molecular variance based on 19,898 SNP markers in 571 soybean accessions representing 29 countries (including Ottawa soybean breeding lines and one group of unknown origin), 5 maturity groups and three groups inferred from PCoA.
| Model/Source | df | Sum of Squares | Variance Component |
Percent of Variation |
p-Value |
|---|---|---|---|---|---|
| Country and region | |||||
| Among countries | 23 | 75539.69 | 57.42 | 7.45 | <0.00001 |
| Within countries | 1118 | 797242.03 | 713.1 | 92.55 | |
| Maturity group | |||||
| Among groups | 4 | 34431.26 | 43.34 | 5.55 | <0.00001 |
| Within groups | 1137 | 838350.46 | 737.34 | 94.45 | |
| Three groups inferred by PCoA | |||||
| Among groups | 2 | 217898.37 | 303.04 | 34.52 | <0.00001 |
| Within groups | 1139 | 654883.36 | 574.96 | 65.48 |