测定了 2 %功夫·阿维EC对美洲斑潜蝇幼虫的田间防效 ,其防治效果优良。 2 %功夫·阿维EC使用剂量 5 0 g/6 6 7m2 施药后第 3、7、11天 ,北京、山东两地防效分别为 93.4 0 %～ 94 .4 3%和91.4 4 %～ 93.0 1% ,2 5 g/6 6 7m2 药后 3、7、11天 ,两地防效为 86 .5 3%～ 90 .91%和 86 .5 8%～ 88.89% ,18.8g/6 6 7m2 药后 7、11天两地防效分别为 88.5 4 %～ 88.35 %和 83.87%～ 84 .5 1% The field control effect of 2% Kung Fu · Avi EC on the American larvae of leaf spot was determined, and its control effect was excellent. 2% Kung Fu · Avi EC dosage of 50 g / 6 6 7m2 3,7,11 days after spraying, Beijing, Shandong, respectively, the control efficiency of 93.4 0% ~ 94.43% and 91.4 4% ~ 93.0 1%, 25 g / 667m2 on the 3rd, 7th and 11th days after treatment. The control efficacies of the two treatments were 86.53% -90.91% and 86.58% -88.89%, 18.8g / 6 6 The control efficacy of 7m2 after 7 and 11 days was 88.5 4% ~ 88.35% and 83.87% ~ 84.51%