Table 1. Contributions of plant traits to the four main PCA axes.
Traits in Salt Stress Relative to Control Conditions | PC1 (32.2%) | PC2 (15.2%) | PC3 (11.5%) | PC4 (10.2%) |
---|---|---|---|---|
Plant fresh mass | 19.9* | 0.66 | 1.93 | 0.95 |
Leaf area | 16.3 | 0.01 | 1.65 | 3.13 |
Green pixels | 15.4 | 2.60 | 11.7 | 1.15 |
Stem length | 10.1 | 0.50 | 2.23 | 4.44 |
Leaf K+ | 8.97 | 15.5 | 8.46 | 5.65 |
Leaf number | 8.00 | 5.35 | 11.9 | 6.95 |
Root K+ | 7.67 | 0.38 | 2.27 | 20.8 |
Leaf elongation | 6.37 | 0.02 | 6.30 | 31.2* |
Root Na+ | 4.52 | 11.9 | 9.39 | 7.50 |
Root length | 2.22 | 19.0 | 2.41 | 7.81 |
Leaf succulence | 0.47 | 38.1* | 1.34 | 0.00 |
Leaf Na+ | 0.01 | 6.13 | 40.4* | 10.5 |