Keywords Liriodendron Hybrids;somatic embryogenesis;embryogenic cell origination;histo-cytology;ultrastructure;scanning electron microcopy;plant regeneration;genetic stability;

• 杂交鹅掌楸;体细胞胚胎发生;胚性细胞起源;组织细胞学;超微结构;扫描电镜;再生植株;遗传稳定性;