Research Article
Manipulation of Plant Growth Regulators on Phytochemical Constituents and DNA Protection Potential of the Medicinal Plant Arnebia benthamii
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 |
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Note. Data scored after 10 weeks of culture period. NR: no response.
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