杂交稻制种的亲本生长过程中，因受外界条件、栽培技术因素影响，往往带来花期不通。为使制种双亲花期一致．必须采取调花措施。过去调花一般用肥调、水调、损伤调节，而这些措施，有的成本大，有的费工费时，效果不佳。利用多效吐调节制种花期，调花效果迅速、显著，方法简便 During the growth of parents of hybrid rice seeds, flowering may often result from the influence of external conditions and cultivation techniques. In order to make the same flowering parents. Must take measures to adjust flowers. In the past, flowers were generally adjusted with fat, water, and damage, and some of these measures were costly and sometimes costly and ineffective. Using multi-effect spit regulation flowering, flowering effect quickly and significantly, the method is simple