Table 1.
Effect of GA3 enriched MS medium on seed germination of Arnebia benthamii Wall.
| Growth medium | Germination response | Time period (days) for seed germination initiation |
Percentage seed germination response (%) |
|---|---|---|---|
| MS | NR | - | - |
| MS ×1/2 | NR | - | - |
| MS ×1/2 + GA3 (1.5 µM) | NR | - | - |
| MS ×1/2 + GA3 (2.5 µM) | NR | - | - |
| MS ×1/2 + GA3 (5 µM) | Seed germination | 45 | 35 |
| MS ×1/2 + GA3 (7.5 µM) | Seed germination | 40 | 35 |
| MS ×1/2 + GA3 (10 µM) | Seed germination | 40 | 48 |
| MS ×1/2 + GA3 (12.5 µM) | Complete seedling formation | 34 | 53 |
| MS ×1/2 + GA3 (15 µM) | Complete seedling formation with elongated shoots | 20 | 78 |
| MS ×1/2 + GA3 (17.5 µM) | Complete seedling formation with elongated shoots | 30 | 54 |
| MS ×1/2 + GA3 (20 µM) | Seed germination with stunted shoot formation | 45 | 39 |
Note. Data scored after 10 weeks of culture period. NR: no response.