Table 1.
Effect of various plant growth regulators (PGRs) on shoot organogenesis from petiolated leaf explants of Bixa orellana. The results are the mean ± S.E. of 10 replicates. Means with the same letters within columns are not statistically significant at P > 0.05
| Plant growth regulators (μM) | Responding explants (%) | Mean No shoots per explant | |||
|---|---|---|---|---|---|
| BAP | 2-iP | NAA | IAA | ||
| 4.4 | – | – | – | 22ab | 3.2 ± 0.6a |
| 6.6 | – | – | – | 26bcde | 3.4 ± 0.8a |
| 8.8 | – | – | – | 28cdef | 3.5 ± 0.4a |
| – | 4.9 | – | – | 36g | 3.1 ± 0.2a |
| – | 7.3 | – | – | 46ijkl | 3.0 ± 0.7a |
| – | 9.8 | – | – | 55m | 2.5 ± 0.3a |
| 4.4 | – | 5.3 | – | 24abcd | 3.4 ± 0.2a |
| 6.6 | – | 8.0 | – | 34fg | 3.6 ± 0.9a |
| 8.8 | – | 10.7 | – | 48kl | 3.8 ± 0.2a |
| 4.4 | – | – | 5.7 | 21a | 3.3 ± 0.2a |
| 6.6 | – | – | 8.5 | 30ef | 3.6 ± 0.9a |
| 8.8 | – | – | 11.4 | 42hi | 3.7 ± 0.2a |
| – | 9.8 | 5.3 | – | 62n | 25.0 ± 0.7b |
| – | 9.8 | 8.0 | – | 64n | 28.0 ± 0.6c |
| – | 9.8 | 10.7 | – | 80p | 36.0 ± 0.2d |
| – | 9.8 | – | 5.7 | 41hij | 4.4 ± 0.8a |
| – | 9.8 | – | 8.5 | 43ij | 4.2 ± 0.5a |
| – | 9.8 | – | 11.4 | 47l | 4.6 ± 0.8a |