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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 | ** | 3.1 | |||
| 1.0 | 0.25 | – | – | – | 0.0 | |
| 1.0 | 0.5 | * | – | – | 1.0 | |
| 1.0 | 1.0 | * | – | – | – | 1.0 |
---: no callus induction, *: = Poor, **: Fair, ***: Good.
