Table 3.
Effect of 28-HBL concentrations (0, 10−6, 10−9, 10−12 M) on MDHAR, DHAR and GR activities of B. juncea L.
| Treatments | GR activity (U min−1 mg−1 proteins) | MDHAR activity (U min−1 mg−1 proteins) | DHAR activity (U min−1 mg−1 proteins) |
|---|---|---|---|
| Control 4 °C 44 °C 180 mM NaCl 10−6 M 28-HBL 10−9 M 28-HBL 10−12 M 28-HBL 10−6 M + 180 mM + 4 °C 10−6 M + 180 mM + 44 °C 10−9 M + 180 mM + 4 °C 10−9 M + 180 mM + 44 °C 10−12 M + 180 mM + 4 °C 10−12 M + 180 mM + 44 °C |
24.23 ± 0.14l 45.21 ± 0.46h 48.98 ± 0.55g 46.20 ± 0.49h 29.56 ± 0.21j 36.91 ± 0.24i 28.40 ± 0.18k 64.97 ± 0.75d 68.66 ± 0.84c 72.31 ± 0.95b 85.43 ± 1.11a 53.00 ± 0.61f 62.32 ± 0.71de |
23.04 ± 0.32e 29.12 ± 0.60c 33.31 ± 0.71b 30.35 ± 0.65c 26.58 ± 0.54d 27.17 ± 0.56cd 24.09 ± 0.36e 33.49 ± 0.72b 34.36 ± 0.75b 36.02 ± 0.80ab 38.50 ± 0.88a 28.74 ± 0.59cd 30.60 ± 0.67bc |
9.34 ± 0.10j 14.37 ± 0.23f 17.31 ± 0.29d 15.71 ± 0.25e 12.08 ± 0.15h 13.59 ± 0.18fg 11.36 ± 0.14i 19.13 ± 0.34c 20.61 ± 0.36b 21.90 ± 1.39ab 24.10 ± 0.45a 18.31 ± 0.30cd 18.76 ± 0.32c |
| F-ratio12×26 | 417.4 | 60.58 | 49.20 |
Under combinations of extreme temperature (4 °C, 44 °C) and NaCl salt (180 mM) stress in laboratory conditions.
The data represented above are means ± S.E (n = 5). Different superscripted alphabetical letters within a column indicate significant differences from each other in all combinations (Tukey’s test, p ≤ 0.05).