Table 2.
Effect of plant growth regulators on shoot regeneration from shoot tip explants of W. somnifera after 8 weeks of culture
Plant growth regulators (μM) | Regeneration (%) | Mean number of shoots/explant | Mean shoot length (cm) | ||||
---|---|---|---|---|---|---|---|
BA | Kin | 2-iP | NAA | IBA | |||
0.0 | 00 | 0.00 ± 0.00m | 0.00 ± 0.00m | ||||
0.1 | 70 | 4.33 ± 0.16l | 1.90 ± 0.20l | ||||
0.5 | 85 | 7.66 ± 0.60jk | 2.10 ± 0.20ghi | ||||
1.0 | 90 | 15.1 ± 0.16ef | 3.16 ± 0.16ef | ||||
2.5 | 92 | 18.0 ± 2.25d | 4.00 ± 0.50cd | ||||
5.0 | 80 | 12.3 ± 0.16g | 2.43 ± 0.23g | ||||
10.0 | 70 | 8.16 ± 0.16jk | 1.50 ± 0.17ijkl | ||||
0.1 | 70 | 2.83 ± 0.33l | 1.06 ± 0.06kl | ||||
0.5 | 72 | 6.83 ± 0.33jk | 1.66 ± 0.06hijk | ||||
1.0 | 80 | 12.3 ± 0.16g | 2.00 ± 0.11ghi | ||||
2.5 | 75 | 14.3 ± 0.16f | 3.36 ± 0.29eh | ||||
5.0 | 70 | 10.1 ± 0.16hi | 1.96 ± 0.39gij | ||||
10.0 | 60 | 7.33 ± 0.16jk | 1.46 ± 0.17ijkl | ||||
0.1 | 70 | 2.83 ± 0.33l | l0.90 ± 0.20l | ||||
0.5 | 70 | 4.33 ± 0.16l | 1.33 ± 0.13jkl | ||||
1.0 | 75 | 8.00 ± 0.28jk | 2.56 ± 0.12fg | ||||
2.5 | 80 | 11.1 ± 0.16gh | 3.50 ± 0.00de | ||||
5.0 | 75 | 8.83 ± 0.16ij | 2.16 ± 0.16gh | ||||
10.0 | 65 | 4.16 ± 0.16l | 1.26 ± 0.16kl | ||||
2.5 | 0.1 | 85 | 24.4 ± 0.58b | 4.10 ± 0.37cd | |||
2.5 | 0.5 | 90 | 32.0 ± 0.29a | 6.03 ± 0.12a | |||
2.5 | 1.0 | 85 | 20.2 ± 0.14c | 4.40 ± 0.10c | |||
2.5 | 2.0 | 80 | 15.3 ± 0.23ef | 3.26 ± 0.12e | |||
2.5 | 0.1 | 75 | 12.2 ± 0.15g | 4.26 ± 0.80c | |||
2.5 | 0.5 | 80 | 21.2 ± 0.12c | 5.43 ± 0.23b | |||
2.5 | 1.0 | 80 | 16.3 ± 0.23e | 4.20 ± 0.05c | |||
2.5 | 2.0 | 70 | 10.3 ± 0.25hi | 3.10 ± 0.10ef |
Data represent mean±SE. Means sharing the same letter within columns are not significantly different (P = 0.05) using Duncan’s multiple range test (DMRT)