Table 1 Effects of spraying different concentrations of MeJA on the growth indexes of spinach under Cd stress conditions.
Treatment | Plant height (cm/plant) | Root length (cm/plant) | Stem thickness (mm/plant) | Aboveground fresh weight (g/plant) | Aboveground dry weight (g/plant) | Belowground fresh weight (g/plant) | Belowground dry weight (g/plant) |
|---|---|---|---|---|---|---|---|
CK | 20.63 ± 0.38a | 19.90 ± 0.32a | 13.72 ± 0.20a | 16.89 ± 0.20a | 1.39 ± 0.02a | 2.64 ± 0.10a | 0.17 ± 0.00a |
Cd | 10.37 ± 0.30d | 10.37 ± 0.30d | 9.40 ± 0.28d | 9.07 ± 0.51d | 0.77 ± 0.01e | 0.89 ± 0.01d | 0.07 ± 0.00e |
Cd + MeJA1 | 10.27 ± 0.35d | 10.93 ± 0.50d | 9.90 ± 0.50d | 9.78 ± 0.24d | 0.93 ± 0.03d | 0.85 ± 0.03d | 0.07 ± 0.00e |
Cd + MeJA5 | 13.13 ± 0.23c | 12.80 ± 0.38c | 11.84 ± 0.19c | 11.93 ± 0.14c | 1.04 ± 0.06c | 1.18 ± 0.05c | 0.10 ± 0.00d |
Cd + MeJA25 | 16.40 ± 0.17b | 16.40 ± 0.17b | 14.86 ± 0.09b | 15.02 ± 0.28b | 1.27 ± 0.03b | 1.57 ± 0.06b | 0.14 ± 0.00b |
Cd + MeJA100 | 12.70 ± 0.35c | 13.83 ± 0.26c | 12.50 ± 0.36c | 11.94 ± 0.17c | 0.97 ± 0.02 cd | 1.30 ± 0.02c | 0.12 ± 0.00c |
