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地老虎(又名土蚕),是玉米、烟草、棉花、辣椒等及多种十字花科植物苗期主要害虫,一般断苗10％～20％,严重的达50％。近年来.我们用40％速灭杀了乳剂防治地老虎,收到了好的防效,而且还可兼治危害幼苗的毛虫、甘蓝夜蛾幼虫等。据调查,未使用速灭杀了防治的棉花断苗率18.6％、辣椒断苗率26.6％,而使用速灭杀丁的断苗很少。
To the tiger (also known as soil silkworm), corn, tobacco, cotton, peppers and other crucifer species and seedlings of the main pests, the general cut seedlings 10% to 20%, severe up to 50%. In recent years, we use 40% speed kill the tiger emulsion control, received a good control effect, but also can endanger the seedlings of caterpillars, cabbage larvae and other larvae. According to the survey, cotton did not kill the control rate of cotton seedlings cut off rate of 18.6%, 26.6% pepper off, and the use of speed kill Ding small seldom.