Changes in histochemistry and protein pattern during somatic embryogenesis of carrot were studied.Embrogenic callus mainly originated from the cells around vascular bundle.

• 摘要研究胡萝卜体细胞胚不同发育阶段的细胞组织化学和蛋白质组成变化的结果表明：胚性愈伤组织主要源自维管束周围的细胞。