Table 1.
Effects of GR24 on root and shoot biomass and root/shoot/plant relative water content of seedlings exposed to different treatments.
| Variable | Fresh Weight (mg plant−1) | Dry Weight (mg plant−1) | Relative Water Content (%) | |||
|---|---|---|---|---|---|---|
| Root | Shoot | Root | Shoot | Root | ||
| CK | 507.0 ± 16.7 a | 745.5 ± 51.2a | 57.6 ± 2.9 a | 158.6 ± 20 a | 91.5 ± 2.78 a | |
| GR24 | 516.7 ± 98.5 a | 736.2.1 ± 104.9 a | 56 ± 5 a | 156.1 ± 15.7 a | 89.1 ± 2.2 a | |
| Cd | 183.0 ± 10.9 b | 251.5 ± 10.2 c | 32.9 ± 1.4 b | 71.4 ± 2.4 c | 82.8 ± 4.8 b | |
| Cd + GR24 | 291.6 ± 75.3 b | 423.7 ± 44.1b | 34.9 ± 5.3 b | 101.8 ± 13.1 b | 91.3 ± 0.65 a | |
| ANOVA (F value) | ||||||
| Cd | 45.5 *** | 123.9 *** | 20.6 ** | 34.1 *** | 3.5 ns | |
| GR24 | 5.4 * | 5.1 * | 13.4 ** | 8.5 * | 3.1 ns | |
| Cd × GR24 | 16.0 ** | 6.3 * | 6.1 * | 15.6 ** | 10.0 * | |
Data are mean ± standard deviation (SD) (n = 3). CK: control group. Different letters (a, b, c, d) in the same column indicate significant differences at the 0.05 level according to Duncan’s multiple range test, * p < 0.05, ** p < 0.01, *** p < 0.001, ns: not significant.