Media for resistant callus: B5+ 0.1 mg/L 2, 4-D + 0.2 mg/L KT + 75 mg/L Kan +500 mg/L Cef. Media for resistant shoots: B5 + 100 mg/L Kan + 500 mg/L Cef.

• 获得抗性愈伤培养基:B5+0.；1mg/L2；4-D+0