| Treatments in IBA | Concentrations of IBA (ppm) | |||
| i) | 24 hr extended basal soak | 60 | 80 | 100 |
| ii) | Bi-weekly foliar spray with IBA | 40 | 60 | 80 |
| iii) | Basal quick dip | 2500 | 3500 | 4500 |
| iv) | Delayed IBA treatment | 2500 | 3500 | 4500 |