图2. 玉米B104幼胚转化过程 A:幼胚;B:初生愈伤组织;C:抗性愈伤组织;D:再生抗性芽;E:再生抗性苗
Fig. 2. Transformation process of immature embryo of B104 A: Immature embryo of B104; B: Primary callus; C: Resistant callus; D: Resistant regeneration buds; E: Resistant regeneration plantlets