Table 2.
The biological effect of bacterial auxin on orchid (Cymbidium aloifolium) seed germination and root induction.
| Sl No | Medium | BAP (mg/L) | Bacterial auxin (mg/L) | NAA | Seed germination (%) | Time is taken for initiation of germination (days) | Callus formation (PLBS) days | Root | Shoot length (cm) | Survival rate (%) | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Root number | Root length (cm) | ||||||||||
| 1 | MS medium | 1.0 | 0.5 | – | 85 | 62 | 73 | 3 | 3.5 | 6.1 | 92 |
| 2 | MS medium | 1.0 | 1.0 | – | 90 | 45 | 57 | 4 | 4.0 | 6.5 | 97 |
| 3 | MS medium | 1.0 | 1.5 | – | 86 | 61 | 73 | 3 | 3.2 | 6.2 | 92 |
| 4 | MS medium | 1.0 | 2.0 | – | 80 | 67 | 79 | 2 | 1.6 | 5.8 | 89 |
| 5 | MS medium | 1.0 | – | 0.5 | 82 | 65 | 78 | 3 | 2.8 | 5.2 | 92 |
| 6 | MS medium | 1.0 | – | 1.0 | 87 | 55 | 68 | 3 | 3.3 | 5.6 | 93 |
| 7 | MS medium | 1.0 | – | 1.5 | 85 | 68 | 79 | 2 | 3.1 | 5.5 | 90 |
| 8 | MS medium | 1.0 | – | 2.0 | 80 | 70 | 81 | 2 | 2.7 | 5.1 | 88 |
*MS, medium-Murashige and Skoog medium.