Table 3 Effect of plant growth regulators combinations and different types of media on callus formation of Juniperus procera
BAP (μM) 2,4-D (μM) | Callus formation | Callus weight (g) | ||||
|---|---|---|---|---|---|---|
MS | WPM | B5 | N6 | |||
0.0 | 0.0 | – | – | – | – | 0.0 |
0.25 | 0.25 | – | – | – | – | 0.0 |
0.25 | 0.5 | – | * | – | – | 1.0 |
0.25 | 1.0 |  | * |  | – | 0.4 |
0.5 | 0.25 | – | – | – | – | 1.0 |
0.5 | 0.5 |  | *** | – | – | 4.6 |
0.5 | 1.0 | Â | ** | Â | Â | 3.1 |
1.0 | 0.25 |  | – | – | – | 0.0 |
1.0 | 0.5 |  | * | – | – | 1.0 |
1.0 | 1.0 | * | – | – | – | 1.0 |