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为掌握百虫特、世纪乐等新农药对第六(4)代稻纵卷叶螟的防治效果,筛选替代甲胺磷防治稻纵卷叶螟的优良药剂,特进行本试验。
In order to grasp the prevention and control of the sixth (4th) generation of C. medinalis by new insecticides such as Bracken and Century Music, and select the excellent medicament for the prevention and control of the leaf roller of mangostatin instead of methamidophos, we conducted this experiment.