通过“七五”、“八五”期间两系法杂交水稻研究课题组的努力攻关，一系列稳定实用的光温敏不育系和强优组合得到选育，提纯、繁殖和制种等技术难关得以突破。因此，到“八五”末期两系法杂交水稻技术已经基本成熟，即将进入大面积的推广阶段。过去１０年中，湖南杂交水稻... Through the efforts of the two-line hybrid rice research group during the “Seventh Five-Year Plan” and the “Eighth Five-Year Plan” period, a series of techniques of breeding, purification, breeding and seed production have been obtained through a series of stable and practical combinations of the photo-thermo-sensitive genic male sterile line Difficult to be a breakthrough. Therefore, by the end of the “Eighth Five-year Plan”, two-line hybrid rice technology has basically matured and is about to enter a large-scale promotion phase. Over the past 10 years, Hunan hybrid rice ...