培两优２８８是我省目前推广的主要两系优质杂交稻组合，但由于两系杂交稻不育系不育性只有在一定光温条件下才能完全表达，在制种上受到基地选择及季节安排的限制，较普遍的认识是我省以夏季制种为宜。但我省大部分地区为双季稻区，如果只能进行夏制，相应的限制了两系杂... Peiliangyou 288 is the main two-line high-quality hybrid rice combination in our province at present. However, since the CMS of two-line hybrid rice can only be expressed under certain light and temperature conditions, it is affected by the base selection and season Arrangement of the restrictions, the more common understanding is that the province in summer seeding is appropriate. However, most areas in our province are double cropping rice areas, if only the summer crop, the corresponding restrictions on the two series of miscellaneous ...