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在杂交水稻制种中喷施多效唑 ,对防止穗上发芽有较好的效果。在齐穗后 15d左右喷施 75 0g/hm2 ,不但能显著降低芽谷率 ,而且能提高结实率 ,增加产量
In the hybrid rice seed spraying paclobutrazol, to prevent sprouting on the better effect. Spraying 75 0 g / hm2 about 15 days after heading, not only can significantly reduce the bud rate, but also improve the seed setting rate and increase the yield