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花时调节剂是福建省农科院稻麦所遗传组所研制。其作用是使不育系的花时提前,开花集中,有利于授粉,提高异交结实率,是增加繁殖和制种产量的有效药物。其药理不仅是增加颖花中浆片之膨压,而且还为颖花补充营养。众所周知,野败型水稻不育系,其花粉败育在单核期和双核期,花药中导管、筛管发生严重退化,致使水分、养料运输受阻,颖花中浆片膨压失调,开花出现异常。据1989年
Flowering regulator is Fujian Academy of Agricultural Sciences Institute of rice by the genetic group developed. Its role is to make the flowering of male sterile lines in advance, flowering is concentrated, is conducive to pollination, improve the rate of outcrossing, is an effective drug to increase reproduction and seed production. Its pharmacology is not only to increase the turgor plug in the spit, but also for spike flower nutrition. It is well-known that the wild-type CMS lines whose pollen abortion in the mononuclear and dinuclear stages have severe degradation of the catheters and screens in the anthers, resulting in the hampered transport of water and nutrients. The turgor in the spikelets is imbalanced and flowering appears abnormal. According to 1989