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Survival rate and ploidal level of Lippia alba treated with colchicine at different concentrations and exposure times.
| Explants exposed | Surviving | Tetraploid | Mixoploid | ||
| 4 h | Control | 100 | 78 | – | – |
| 0.02% | 100 | 58 | – | 3 | |
| 0.20% | 100 | 38 | – | 5 | |
| 72 h | Control | 100 | 64 | – | – |
| 0.02% | 100 | 44 | – | – | |
| 0.20% | 100 | 11 | 1 | – |
