Table 3 Effect of different concentration 2,4-D and BA on the response of callus induction (%) from young leaves of Z. officinale Roscoe and means of callus fresh weight after 4 weeks
*Growth regulators’ concentration (mg/l) | Callus induction (%) | Mean fresh weight of callus (g/explant) | Color of callus | Texture | |
|---|---|---|---|---|---|
2,4-D | BA | ||||
0.0 | 0.0 | 0.0 | 0.0 ± 0.0 | – | – |
3.0 | 1.0 | 75 ± 0.15 | 2.93 ± 0.09 | Greenish yellow | Granulated |
2.0 | 1.0 | 81 ± 0.40 | 3.89 ± 0.22 | White | Friable |
0.5 | 0.5 | 66.6 ± 0.32 | 2.98 ± 0.20 | Greenish white | Compact |