Treatments | Rooting (%) | Lengths of roots |
0.0 | 75.00 a | 4.7 ± 0.25 a |
Si | 83.34 a | 5.1 ± 0.78 a |
PEG | 41.67 c | 2.4 ± 0.12 c |
Si + PEG | 53.34 b | 3.6 ± 0.34 b |