TABLE 1.
Effect of different levels of soil applied Cu (0, 30, or 60 mg kg–1) and/or MEL (30, 40, or 50 μM) on tolerance index expressed in terms of plant height (TiPH), vegetative growth (TiVG), and RWC of Brassica juncea at 45 DAS.
| Treatments | TiPH | TiVG | RWC% |
| Control | 100 (72.69) ± 3.63d | 100 (12.60) ± 0.60e | 65.66 ± 1.24de |
| Cu (30 mg kg–1) | 88.14 ± 3.20e | 93.10 ± 0.56f | 61.71 ± 1.17f |
| Cu (60 mg kg–1) | 71.51 ± 2.60f | 80.45 ± 0.49g | 58.47 ± 1.11g |
| MEL (30 μM) | 118.52 ± 4.38b | 126.88 ± 0.74c | 80.52 ± 1.52bc |
| MEL (40 μM) | 125.30 ± 4.91a | 157.05 ± 0.94a | 87.73 ± 1.66a |
| MEL (50 μM) | 115.97 ± 6.07b | 142.05 ± 0.84b | 83.55 ± 1.58b |
| Cu (30) + MEL (30 μM) | 101.92 ± 3.37d | 109.75 ± 0.62de | 66.19 ± 1.25d |
| Cu (30) + MEL (40 μM) | 112.65 ± 3.71bc | 120.70 ± 0.65d | 68.76 ± 1.30d |
| Cu (30) + MEL (50 μM) | 105.44 ± 3.53c | 113.33 ± 0.63de | 66.98 ± 1.27d |
| Cu (60) + MEL (30 μM) | 83.34 ± 2.76ef | 91.37 ± 0.51f | 63.80 ± 1.21e |
| Cu (60) + MEL (40 μM) | 94.82 ± 3.16de | 97.86 ± 0.54ef | 66.04 ± 1.25de |
| Cu (60) + MEL (50 μM) | 88.28 ± 2.97e | 94.02 ± 0.53f | 64.74 ± 1.22e |
Data shows the mean ± standard error. Same letters indicate that there is no significant difference at P < 0.05.