由江苏省农科院粮作所选育的超级稻“两优培九”在创新育种方面取得突破,成为我国第一个将两系法与亚种间杂交合为一体的杂交稻,表现出超高产潜力,标志着我国杂交水稻育种进入超高产时代。传统的杂交稻选育都是基于不育系、保持系、恢复系三系配套,且是籼稻与籼稻、粳稻与粳稻之间的杂交,因此制 The super rice “Liangyoupeijiu” selected by Jiangsu Academy of Agricultural Sciences made a breakthrough in innovation and breeding and became the first hybrid rice combining two-line method and subspecies hybrid in China, High yield potential, marking China’s hybrid rice breeding into super-high yield era. Traditional hybrid rice breeding are based on CMS, maintainer and restorer lines, and are the cross between indica, indica, japonica and japonica