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在杂交稻制种上碰到花期严重不遇时,利用多效唑(MET)调节花期,不但效果明显,且经济省工。但必须正确掌握多效唑的使用方法、使用时间、使用量和适时利用 “九二○”激素解除多效唑药性,才能达到预期效果。 1.适量:多效唑的适宜用量一般随花期不遇程度而定,以珍汕97A为例,母本早
In hybrid rice seed production encountered on the flowering period is not serious, the use of paclobutrazol (MET) regulation of flowering, not only the effect is obvious, and economically labor. But we must correctly master the use of paclobutrazol method, the use of time, dosage and timely use of “nine two ○” hormone solution to paclobutrazol in order to achieve the desired results. 1. Appropriate amount: paclobutrazol the appropriate amount generally with the flowering degree may be to Zhenshan 97A as an example, the mother of the early