Table 2.
Mean root length (RL), total root growth rate (TRG%) and relative root elongation (RRE%) of the Eugenia dysenterica root system after 20 days grown in solution at various Al concentrations (0, 200, 400, 600 and 800 μmol L−1).
| Al3+ Concentration (Al2(SO4)3 | RL | TRG% | RRE% |
|---|---|---|---|
| 0 μmol L−1 | 4.05 ± 0.24 | 18.92 ± 0.28 | 100.00 ± 0.00 |
| 200 μmol L−1 | 5.51 * ± 0.35 | 29.87 ** ± 1.15 | 130.22 ** ± 5.09 |
| 400 μmol L−1 | 4.17 ± 0.37 | 19.52 ± 0.69 | 103.57 ± 4.17 |
| 600 μmol L−1 | 4.23 ± 0.31 | 24.30 ** ± 0.94 | 109.73 ± 4.23 |
| 800 μmol L−1 | 4.74 ± 0.36 | 25.42 ** ± 1.51 | 85.06 ± 4.74 |
| F | * | ** | ** |
| CV% | 16.21 | 9.51 | 11.53 |
Means ± SE (n = 5), Asterisks indicate significant differences at 5% (*) and 1% (**) probability, relative to the control as indicated by Dunnett’s test.