In order to explore the seedless mechanism of Ponkan(Citrus reticulata Blanco), new seedless Ponkan cultivar Lipeng No.2 and common seedy Ponkan cultivar were used as materials for observing fertility and compatibility of male and female gametophyte.

• 摘要为系统探明椪柑无核发生的机制，以无核椪柑新品种丽椪2号和普通有核椪柑为试材，对雌雄配子体的育性和亲和性进行了观察。