去年,我们大队用50％的马拉硫磷颗粒剂防治高粱钻心虫,收到了良好效果。7月21日在花叶率达50％以上的高粱田里,施药于心叶内,结果表明:0.05％马拉硫磷颗粒剂防效达90％以上。对二代粘虫有兼治作用。7月30日～8月2日全田施药,每亩杂交高粱施颗粒剂20多斤,防效达89～94％。颗粒剂的配制方法是:取50％的马拉硫磷乳剂0.5斤,加水7～10斤稀释后,喷到500斤砂子 Last year, our brigade received 50% malathion granules for controlling sorghum borer and received good results. July 21 in the rate of more than 50% mosaic flowers in the sorghum field, the application in the heart leaves, the results showed that: 0.05% Malathion granules control effect of more than 90%. On the second generation of armyworms have both the role of cure. July 30 ~ August 2 whole field pesticide application, sorghum per acre grafted granules 20 kilos, control efficiency of 89 to 94%. Granules preparation method is: take 50% malathion 0.5 kg, add water 7 ~ 10 kg diluted, sprayed to 500 kg of sand