Table 2.
PCA results for the different parameters studied
| F1 | F2 | F3 | |
|---|---|---|---|
| RL | 1.000 | 0.000 | 0.000 |
| LL | 0.981 | 0.015 | 0.004 |
| chl | 0.980 | 0.006 | 0.014 |
| MSI | 0.953 | 0.046 | 0.000 |
| EL | 0.304 | 0.595 | 0.101 |
| SC | 0.091 | 0.765 | 0.144 |
| PC | 0.003 | 0.952 | 0.044 |
| MDA | 0.942 | 0.033 | 0.024 |
| H2O2 | 0.950 | 0.000 | 0.050 |
| CAT | 0.077 | 0.799 | 0.124 |
| SOD | 0.099 | 0.850 | 0.051 |
| POD | 0.044 | 0.942 | 0.014 |
Values ≥ 0.94 are presented in bold and indicate important traits for PCA. RL root length, LL leaf length, chl chlorophyll, MSI membrane stability index, EL electrolyte leakage, SC sugar content, PC proline content, H2O2 hydrogen peroxide content, MDA malondialdehyde content, SOD superoxide dismutase activity, CAT catalase activity, POD peroxidase activity