通过人工培育出水稻“三系”(雄性不育系、保持系、恢复系),再用三系制成杂交水稻,利用杂交水稻的生长优势及产量优势,比现有水稻当家品种明显增产,这是农业科学上的一个重大突破,也是水稻育种工作继高秆改矮秆后的一次飞跃,它将是提高水稻产量的一个新途径. By cultivating rice “three lines ” (male sterile line, maintainer line, restorer line), and then using three lines made of hybrid rice, the advantages of hybrid rice growth and yield advantages than the current rice varieties This is a major breakthrough in agricultural science. It is also a leap forward in rice breeding following the transformation of tall stalks into dwarfs, which will be a new way to increase rice yield.