Table 1.
Eigenvalues, percentage of total variance explained and multivariate analysis of variance (MANOVA).
| Principal Components | ||
|---|---|---|
| PC1 | PC2 | |
| Eigenvalues (λ) | 14.29 | 1.94 |
| Percentage of total variance (S2%) | 79.41 | 10.80 |
| Hotelling test (T2) for electrical conductivity of irrigation water (ECw) | 0.01 | 0.01 |
| Hotelling test (T2) for hydrogen peroxide (H2O2) | 0.01 | 0.01 |
| Hotelling test (T2) for interaction (ECw × H2O2) | 0.01 | 0.03 |
PCs—principal components; PC1—principal component 1; PC2—principal component 2; F0—initial fluorescence; Fm—maximum fluorescence; Fv—variable fluorescence; Fv/m—quantum efficiency of photosystem II; SHDM—shoot dry mass; RDM—dry root mass.