Table 8.
Pearson’s correlation coefficients among shoot dry weight and all measured traits of whaet plants foliar sprayed with 4 levels of aspartic acid grown under three levels of 0, 30, or 60 mM NaCl salt stress for 60 days (n = 12).
| Traits | Chl a | Chl b | Car | TPP | Chl a/b | IAA | AA |
| SDW | 0.960 | 0.981 | -0.579 | 0.946 | 0.383 | 0.906 | -0.195 |
| p-value | 0.00 | 0.00 | 0.05 | 0.00 | 0.22 | 0.00 | 0.54 |
| Traits | Pro | TSS | TC | POX | SOD | CAT | NR |
| SDW | -0.156 | -0.199 | 0.926 | -0.572 | -0.616 | -0.729 | -0.854 |
| p-value | 0.63 | 0.54 | 0.00 | 0.05 | 0.03 | 0.01 | 0.00 |
| Traits | AsA | GSH | TPC | TFC | B-Car | Lyco | H2O2 |
| SDW | -0.355 | -0.545 | -0.550 | 0.906 | 0.861 | 0.945 | -0.897 |
| p-value | 0.26 | 0.07 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 |
| Traits | MDA | ALD | DPPH | ABTS | SL | LA | SDW |
| SDW | -0.879 | -0.831 | 0.977 | -0.544 | 0.910 | 1.000 | 1.000 |
| p-value | 0.00 | 0.00 | 0.00 | 0.07 | 0.000 | 0.00 |
p-value, probability value (a p-value ≤ 0.05 is statistically significant); Chl a, chlorophyll a, Chl b, chlorophyll b; Car, carotenoids; TPP, total photosynthetic pigments; Chl a/b, Chl a:Chl b ratio; IAA, indoleacetic acid; AA, amino acids, Pro, proline; TSS, total soluble sugar; TC, total carbohydrates; SOD, superoxide dismutase; POX, peroxidase; CAT, catalase; NR nitrate reductase; AsA, ascorbate; GSH, glutathione; TPC, total phenolic content; TFC, total flavonoid content; B-Car, beta carotene; Lyco, lycopene; H2O2, hydrogen peroxide; MDA, lipid peroxidation; ALD, aldehyde; DPPH, 2,2-diphenyl-1-picrylhydrazyl-free radical scavenging assay; ABTS 2,2′-azino-bis enzymatic assay; SL, shoot length; LA, total leaves area per plant; SDW, shoot dry weight per plant.