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为验证40%敌百虫.马拉硫磷乳油对蝗虫的防治效果,确定最佳剂量,进行了田间药效试验,试验结果:40%敌百虫.马拉硫磷乳油防治蝗虫600g~750 a.i./hm2为宜,平均防效在74.1%以上。
In order to verify the control effect of 40% trichlorphon malathion EC on locusts, the optimal dosage was determined and the field efficacy test was conducted.The results were as follows: 40% trichlorfon.Malathion EC control locust 600g ~ 750 ai / hm2 is appropriate, the average control effect in more than 74.1%.