Fertilization, embryo development and origin of twin-embryo of autotetraploid rice with twin-embryo seedlings (ARTS) were observed and verified.

• 摘要利用激光扫描共聚焦显微技术对同源四倍体双胚苗水稻的受精过程、胚胎发育过程和双胚来源进行观察鉴定。