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四种菊酯类农药对粘虫的室内药效 (一)材料和方法 供试药剂为:2.5％敌杀死,即溴氰菊酯,系法国进口,省植保站提供;20％速灭杀丁,即杀灭菊酯,系日本进口;20％虫螨菊酯25％多杀菊酯,均为重庆农药厂药研所提供。 供试昆虫:息烽城关玉米地的5、6龄粘虫幼虫。第一次试验试虫为试验前一天采回,第二次试验为当天采回的幼虫。 测试方法:四种药剂均设3000、6000、9000倍3个处理,每处理3重复。试前将活动正常的幼虫每10头放入500毫升玻璃罐头
Indoor efficacy of four kinds of pyrethroid pesticides against armyworm (a) materials and methods for test agents: 2.5% enemy killed, namely deltamethrin, the Department of French imports, the provincial plant protection station to provide; 20% speed kill Ding, namely fenvalerate, is imported from Japan; 20% 25% insecticides miticides, all pesticide laboratories provided by Chongqing Institute of pesticides. Test insects: Xifeng Chengguan corn fifth instar larvae of armyworms. The first test insects were taken back the day before the test and the second test was the larvae recovered on the day. Test Methods: Four kinds of pharmaceutical are set 3000, 6000, 9000 times 3 treatments, each treatment 3 repeated. Before the trial will be the normal activity of larvae per 10 into 500 ml canned glass