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选用32%丙溴磷·氟铃脲乳油防治五(3)代稻纵卷叶螟,在稻纵卷叶螟1龄、2龄幼虫期使用,750~900mL/hm2对稻纵卷叶螟有较好的防治效果,对水稻安全,且持效期长达30d左右。
The control of five (3) generations of C. medinalis with 32% of profenofos-hexaflumuron EC was used in the first instar and the second instar larvae of C. medinalis, while 750-900 mL / hm2 Better control effect on rice safety, and the persistence of up to 30d or so.