Table 5.
Effect of auxins (IAA and IBA) on root induction from in vitro shoot lets of Rauwolfia tetraphylla L.
| IAA (mg/L) | IBA (mg/L) | Rooting (%) | No of roots/shoot |
|---|---|---|---|
| 0.5 | - | 72.4 ± 5.6e | 3.54 ± 0.62c |
| 1.0 | - | 52.1 ± 6.4c | 3.12 ± 0.24c |
| 1.5 | - | 48.3 ± 3.8b | 2.18 ± 0.28b |
| 2.0 | - | 32.7 ± 2.2a | 2.08 ± 0.13b |
|
| |||
| - | 0.5 | 82.2 ± 5.7f | 5.16 ± 0.44e |
| - | 1.0 | 90.6 ± 6.2g | 7.40 ± 0.72g |
| - | 1.5 | 60.3 ± 3.4d | 3.22 ± 0.84c |
| - | 2.0 | 44.8 ± 2.8b | 4.86 ± 0.32d |
|
| |||
| 0.5 | 0.5 | 84.6 ± 4.6f | 6.04 ± 0.54f |
| 0.5 | 1.0 | 92.4 ± 5.8g | 6.30 ± 0.28f |
| 1.0 | 0.5 | 69.8 ± 4.2d | 1.44 ± 0.12a |
| 1.0 | 1.0 | 98.0 ± 1.2h | 8.32 ± 0.84h |
Data represents average of three replicates. Each replicate consists of 10 cultures. Data scored at the end of 2 weeks of culture. Mean ± standard error. Mean followed by the same superscript in a column is not significantly different at P=0.05.