TDZ concentration (mg∙L−1) | NAA concentration (mg∙L−1) | Induction rate of callus (%) ± SD | Character of callus |
0.3 | 0.2 | 86.3 ± 3.40ab | Compact, green, with slight brownness |
0.5 | 0.2 | 93.3 ± 3.35a | Compact, green, with slight brownness |
1.0 | 0.2 | 81.1 ± 6.96bc | Loose, green |
0.3 | 0.5 | 80 ± 3.30bc | Compact, light green |
0.5 | 0.5 | 76.7 ± 6.65c | Compact, light green |
1.0 | 0.5 | 74.1 ± 4.50c | Loose, light green |