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为验证25%阿维菌素·甲氧虫酰肼SC对稻纵卷叶螟的防效、持效期、适宜剂量等,为该药剂的大面积推广应用提供科学依据,特进行了其相关药效试验。结果表明,25%阿维菌素·甲氧虫酰肼SC对稻纵卷叶螟防治效果优异、速效性好、持效期长,建议在稻纵卷叶螟卵孵高峰至1龄幼虫发生盛期用喷雾法防治,每667m2使用剂量为12~20 mL、对水量50 kg。
To verify the control effect of 25% abamectin-methoxyfenozide SC on C. medinalis, its duration of action, the appropriate dosage and so on, it provided a scientific basis for the large-scale popularization and application of this medicament. Efficacy test. The results showed that 25% avermectin · methoxyfenozide SC had excellent control effect on Cnaphalocrocis medinalis, with fast and long-lasting effect. It is suggested that the larvae of Larvae of Cnaphalocrocis medinalis should be up to the first instar larvae Blooming with spray prevention and control, the dosage for each 667m2 12 ~ 20 mL, the water volume 50 kg.