Table 2. Plant height, leaf area, leaf fresh weight and leaf dry weight per plant for plants grown at varying salt stress for 48 h that were treated with 0.5 mM γ- aminobutyric acid (GABA) or left untreated.
Treatment | Plant height (cm) | Leaf area per plant (cm2) | Leaf fresh weight per plant (g) | Leaf dry weight per plant (g) |
---|---|---|---|---|
0 mM NaCl | 29.3 ± 1.1ab | 44.75 ± 2.41ab | 0.993 ± 0.102a | 0.082 ± 0.005b |
150 mM NaCl | 21.5 ± 1.8c | 33.28 ± 1.95c | 0.568 ± 0.069c | 0.052 ± 0.005c |
300 mM NaCl | 15.7 ± 1.4d | 24.16 ± 2.94d | 0.375 ± 0.018d | 0.039 ± 0.006c |
0 mM NaCl + 0.5 mM GABA | 31.6 ± 1.5a | 48.32 ± 3.33a | 1.124 ± 0.127a | 0.097 ± 0.013a |
150 mM NaCl + 0.5 mM GABA | 26.9 ± 2.6b | 43.14 ± 2.73b | 0.857 ± 0.026b | 0.079 ± 0.006b |
300 mM NaCl + 0.5 mM GABA | 18.6 ± 1.5 cd | 30.97 ± 2.83c | 0.517 ± 0.016c | 0.047 ± 0.006c |
Values are mean ± SE. Values with the same letters in a column are not significantly different at P = 0.05 (LSD test).