| 2,4-D + BAP (mg∙l−1) | Callus induction (%) (Mean ± SE) | Color | Texture |
| 0.0 | 0 ± 0 | - | - |
| 0.5 + 0.5 | 83.3 ± 16.6 | White | Compact |
| 1.0 + 0.5 | 96.6 ± 3.3 | Grey-white | Compact |
| 1.5 + 0.5 | 20 ± 20 | Grey-white | Compact |
| 2.0 + 0.5 | 73.3 ± 26.6 | Grey-white | Compact |
| 2.5 + 0.5 | 96.6 ± 3.3 | Grey-white | Compact |
| 3.0 + 0.5 | 93.3 ± 6.6 | Grey-white | Compact |
| 3.5 + 0.5 | 86.6 ± 13.3 | Grey-white | Compact |
| 4.0 + 0.5 | 96.6 ± 3.3 | Grey-white | Compact |