The result of field efficacy trials showed that, when 1DAT (day (s) after treatment), 3DAT, 7DAT, 14DAT, the field effieacies of 3% acetarniprid EC at the rate of 450, 500, 550ml/hm~2 and 10% irnidacloprid WP at the rate of 300g/hm~2 were over 85%.

• 3%25啶虫脒乳油450、500、550ml/hm~2处理与10%25吡虫啉可湿性粉剂300g/hm~2处理对麦蚜在施药后1、3、7、14d的防效均大于85%25,表现良好的速效性及持效性。