随着海南省农业结构的优化调整,粮食市场的开拓,杂交稻产业集群的发展要求。海南省农科院粮作所用保持系珍汕97B,枝B,冈B进行复合杂交,把多个亲本的优良特性综合到保持系丰海B中,经5a13代的测交,择优回交,转育成感温型籼稻三系不育系丰海A。 With the optimization and adjustment of agricultural structure in Hainan Province, the development of grain market, the development of hybrid rice industry cluster requirements. Hainan Academy of Agricultural Sciences, grain holding used to maintain Zhenshan 97B, branch B, Gang B complex hybridization, the multiple parents of the excellent characteristics integrated into the maintenance department Fenghai B, the 5a13 generation of the test cross, the preferred backcross, Transgenic into temperature-sensitive Indica CMS line Fenghai A.