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24 %异丙威·阿维菌素乳油对甜菜夜蛾的田间药效试验结果表明 ,该混剂药后 3天、 7天和 10天校正防治效果优于异丙威和阿维菌素乳油两个单剂。该混剂用量为 5 0g 6 6 7m2 ,药后 3天、 7天和 10天的校正防效分别为 82 38%、 87 4 9%和88 90 % ;用量为 37 5g 6 6 7m2 ,防效分别为 78 2 1%、 83 97%和 85 2 4 %。 35 %丙溴磷·阿维菌素乳油对甜菜夜蛾的田间药效试验结果表明 ,其对甜菜夜蛾速效性和持效性均佳。该混剂用量为 5 0g 6 6 7m2 ,药后 3天、 7天和 10天其校正防效分别为 86 15 %、 91 37%和 91 32 % ;用量为 37 5g 6 6 7m2 ,防效分别为 80 73%、 87 4 0 %和 88 39%。
The field efficacy test of 24% isoprenvir avermectin EC on beet armyworm showed that the control effect of the mixture of 3%, 7 days and 10 days after treatment was better than that of ipviben and abamectin Two single dose. The dosage of the mixture was 50g6 6 7m2. The corrected control efficacies were 82 38%, 87 4 9% and 88 90% at 3 days, 7 days and 10 days after treatment. The dosage was 37 5g 6 6 7m2, 78 2 1%, 83 97% and 85 2 4% respectively. The field efficacy test of 35% profenofos-EC on beet armyworm showed that it had good fast-acting and long-lasting effect on beet armyworm. The dosage of the mixture was 50g6 6 7m2. The corrected control efficacies were 86 15%, 91 37% and 91 32% respectively at 3 days, 7 days and 10 days after treatment. The dosage was 37 5g 6 6 7m2, 80 73%, 87 4 0% and 88 39%.