我省杂交粳稻新三系选育研究工作从1976年开始,目前已育成一批不同熟期,适应性广,米质优良,抗性好,优势强的粳稻杂交种.由省农科院育成的中粳稻不育系六千辛,经长江流域各省及华东粳杂优协作攻关组连续多年鉴定,具有不育性稳定,开花习性良好,异交结实率高,适应性广,可恢复性好的特点.用它配制的杂种适应性好,米质好,优势强.目前已在省内外扩大繁殖制种.省农科院育成的宁恢3-2和宁恢16两个恢 The research on new three lines breeding of japonica hybrid rice in our province started from 1976. At present, a batch of japonica hybrids with different maturity, wide adaptability, good quality, good resistance and strong advantages have been bred. Liujiang Xin, a middle-japonica rice CMS line, was identified for many years by the collaborative research group of provinces and East China japonica hybrids in the Yangtze River Basin. It has the characteristics of stable sterility, good flowering habits, high seed-setting rate, wide adaptability and good recoverability With its adaptability to hybrids prepared with good quality rice, superiority has now expanded in the province and seed production. Provincial Academy of Agricultural Sciences Ning Hui 3-2 and Ning Hui 16 two restore