表2药剂A和药剂B不同配比防治小菜蛾3龄幼虫的成本比较LCsoa:bCTCA/BA/B(mg/l)A/B=1/1A/B=5/1A/B =1/5(m/m)=10/1=1/1010101:050.00100.0010.0010.000: 1200200200.00200.001000.002000.001: 118.82103.5118.8256.4656.46103.51101.201:539.8639.8666.4399.65172.73338.81120.411: 1046.3046.3063.1484.18214.66425.12158.381:2056.9456.9467.79545.0081.34273.85184.411:3073.8673.8683.3995.30359.77717.16167.88表2 药剂A和药剂B不同配比防治小菜蛾3龄幼虫的成本比较 a:b (m/m) LC50 (mg/l) LM50 CTC A/B=1/1 A/B=5/1 A/B =10/1 A/B =1/5 A/B =1/10 1 : 0 10 10 50.00 100.00 10.00 10.00 0 : 1 200 200 200.00 200.00 1000.00 2000.00 1 : 1 18.82 18.82 56.46 103.51 56.46 103.51 101.20 1 : 5 39.86 39.86 66.43 99.65 172.73 338.81 120.41 1 : 10 46.30 46.30 63.14 84.18 214.66 425.12 158.38 1 : 20 56.94 56.94 67.79 81.34 273.85 545.00 184.41 1 : 30 73.86 73.86 83.39 95.30 359.77 717.16 167.88 注:成本数据均为同列比较;a为药剂A,b为药剂B;A为药剂A成本;B为药剂B成本