| 2,4-D浓度(mg/L) | 愈伤质量 | 愈伤颜色、直径 | 愈伤诱导率 | 染菌率 | 水渍化现象 |
| 1.0 | 软块状，质地松散 | 白，<0.5 cm | 5% | 5% | 多 |
| 1.5 | 软块状，质地松散 | 白，<0.5 cm | 10% | 0% | 多 |
| 2.0 | 硬块状，质地较紧密 | 偏黄，0.5~1.0 cm | 20% | 10% | 较多 |
| 2.5 | 硬块状，质地紧密 | 淡黄，0.5~1.0 cm | 25% | 0% | 少 |
| 3.0 | 硬颗粒状，质地紧密 | 淡黄，0.5~1.0 cm | 40% | 0% | 少 |
| 3.5 | 硬颗粒状，质地紧密 | 偏褐，0.5~1.0 cm | 25% | 0% | 少 |
| 4.0 | 硬颗粒状，质地紧密 | 偏褐，0.4~1.0 cm | 15% | 5% | 较多 |