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京福8A是福建省农业科学院水稻研究所以不育系D297A为母本,D297B/福伊B的杂交后代为父本,经测交和逐代回交转育而成的籼型水稻雄性不育系。该不育系不育性稳定,花粉败育彻底,不育株率100%,不育度99.99%,熟期较早,米质较优,农艺性状优良,柱头外露率高,配合力好,杂种优势强,于2005年9月通过福建省技术鉴定。以京福8A配组育成的杂交稻新组合京福8优77于2014年通过福建省品种审定。
Jingfu 8A is the indica rice male sterile derived from D297A male sterile line and male parent of D297B / Foy B by the Rice Research Institute of Fujian Academy of Agricultural Sciences, system. The sterility of male sterile line is stable and the abortion of pollen is complete. The rate of sterile plant is 100%, the sterility is 99.99%, the mature stage is earlier, the quality is better, the agronomic traits are good, the stigma exsertion rate is high, Heterosis strong, in September 2005 through the Fujian Provincial Technical Appraisal. The new hybrid rice combination bred by Beijing-Fu 8A was bred by Fujian Province in 2014,