“８６３”计划重要成果介绍１．两系法杂交水稻（１０１主题）我国在两系法杂交水稻研究和育种方面居国际领先水平。目前，已培育出实用的不育系６个，选育出增产效果好、米质优良的新组合十余个，１９９５年已累计推广３００万亩，单产比目前的三系法杂交水稻增产１０—... “863” plan important results introduced 1. Two-line Hybrid Rice (Topic 101) Our country is at the leading international level in the research and breeding of two-line hybrid rice. At present, we have developed 6 practical sterile lines and bred more than 10 new combinations with good yield enhancement and excellent grain quality. In 1995, a total of 3 million mu were popularized, yielding 10% more yield than the current three-line hybrid rice -...