Table 4.
Effect of auxins on in vitro root induction of R. pectinata on half strength MS medium.
| PGR and its concentration (mg L−1) | Response (%) | Root number (mean ± SD) |
Root length (cm) (mean ± SD) |
|---|---|---|---|
| 0 | 0 | 0.00 ± 0.00a | 0.00 ± 0.00a |
|
| |||
| IAA | |||
| 1.0 | 60 | 2.5 ± 0.16a | 1.10 ± 0.24b |
| 2.0 | 72 | 2.8 ± 0.21c | 2.80 ± 0.17e |
| 3.0 | 69 | 3.6 ± 0.29e | 2.00 ± 0.22c |
| 4.0 | 60 | 2.4 ± 0.10b | 1.28 ± 0.38b |
|
| |||
| IBA | |||
| 1.0 | 91 | 3.7 ± 0.13e | 2.71 ± 0.29e |
| 2.0 | 95 | 4.9 ± 0.22f | 3.50 ± 0.15g |
| 3.0 | 87 | 3.2 ± 0.10d | 3.00 ± 0.40f |
| 4.0 | 70 | 2.6 ± 0.07c | 2.50 ± 0.23d |
|
| |||
| NAA | |||
| 1.0 | 67 | 2.8 ± 0.21c | 2.14 ± 0.41c |
| 2.0 | 75 | 2.6 ± 0.30c | 2.37 ± 0.23e |
| 3.0 | 68 | 2.7 ± 0.33c | 2.15 ± 0.45c |
| 4.0 | 61 | 2.0 ± 0.24b | 1.40 ± 0.19b |
Note. Mean separation was analyzed by ANOVA using SPSS software (ver. 16.0); the values represented in corresponding column followed by same letters are not significantly different according to DMRT at P < 0.05.