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Correlation analysis between grain toxic heavy metal and metalloid concentrations and top four principal components (PCs) for genetic variations of the rice accessions.
| As | Cd | Pb | |
|---|---|---|---|
| PC1 | -0.009 | -0.115 | 0.003 |
| PC2 | -0.035 | 0.060 | 0.058 |
| PC3 | 0.295*** | 0.178** | 0.238*** |
| PC4 | -0.161** | 0.078 | -0.082 |
∗∗P < 0.01, ∗∗∗P < 0.001.
