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为验证上海农乐生物制品股份有限公司生产的6%甲氨基阿维菌素·多杀霉素WDG防治水稻纵卷叶螟的药效、适宜剂量、持效性及对水稻的安全性等,为该产品推广使用提供科学依据,特进行了其不同用量防效试验。结果表明:每667m2用6%甲氨基阿维菌素·多杀霉素WDG20～25g,对水50kg/667m2,在水稻纵卷叶螟卵孵化高峰至1龄幼虫发生盛期用喷雾法均匀喷雾,防虫效果好,持效期较长,且对作物生长安全。
In order to verify the efficacy, appropriate dosage, efficiency and safety of 6% meth Avramycin and spinosad WDG produced by Shanghai Nongle Biological Products Co., Ltd. against rice leaf roller, To promote the use of the product to provide a scientific basis, especially for its different dosage prevention test. The results showed that with 6% methylamino abamectin-WDG 20 ~ 25g per 667m2 and 50kg / 667m2 water, the spray larvae were evenly sprayed at the peak of egg hatching and the first instar larvae of C. medinalis , Pest control effect is good, longer duration, and the growth of crops safe.