湖南省安江农校雄性不育系选育小组,于一九六四年采用大田中逐穗检查的方法,获得了部分水稻雄性不育的植株。几年来,他们采用了100多个品种,每个品种选2～3个单株与所得到的不育株杂交,共做了270余个组合。结果有260余个组合的杂交一代植株都恢复了育性,有少数几个组合杂交一代产生不育植株。由此可见,能恢复不育株育性的材料——恢复系,生产品种中大量存在。相反,能保持不育株不育特性的材料——保持系则不易从现在生产品种中直接得到。因此,水稻雄性不育系的研究工作,主要是围绕着制造理想的保持系。他们采用了下列几种研究方法:首先,将水稻雄性不育材料分成三种类型。 Hunan Anjiang Agricultural School male sterile line selection group, in 1964 by field-by-spike inspection methods, access to some of the male sterile plants of rice. Over the past few years, they have used more than 100 varieties, each of which has 2 to 3 hybrids crossed with the resulting sterile plants and has done more than 270 combinations. As a result, more than 260 combinations of hybrid generation plants were restored to fertility, and a few combinations of hybrid generation gave birth to sterile plants. Thus, can restore fertility plant fertility material - restorer lines, a large number of species present. Conversely, materials that retain the sterility of an infertile strain-the maintainer-are not readily available directly from the currently produced variety. Therefore, the research work on male sterile lines of rice mainly revolves around making the ideal maintainer line. They used the following research methods: First, the male sterile material of rice is divided into three types.