对60%吡虫啉·杀虫单及参照药剂10%吡虫啉可湿性粉剂、90%杀虫单可湿性粉剂防治水稻纵卷叶螟进行田间药效试验。试验结果表明:以适当比例配制的60%吡虫啉·杀虫单混合剂,田间一次施用,亩用制剂量为40～50g,防治水稻飞虱、稻纵卷叶螟的效果均在85%以上,具有良好的防治效果。 Field efficacy trials of 60% imidacloprid insecticide single and reference pesticide 10% imidacloprid wettable powder and 90% insecticidal single WP were used to control rice leaf roller. The results showed that the effective dosage of imidacloprid / insecticide single mixture was 40 ~ 50g in the field, and the control effect was more than 85% for rice planthopper and rice leaf roller , With good control effect.