| Sugar | % of explants without reaction | % of callogenous explants | Comments on the development of calluses |
| Glucose | 30.1b | 53.3a | White callus, compact, friable and moderately developed (0.4 - 0.7 cm) |
| Sucrose | 3.3a | 90.0b | Green white callus, compact, friable and well developed (0.7 - 1.1 cm) |