高粱蚜虫是辽宁农业生产上最重的一种害虫,为防治这一害虫需投入大量人力物力。以1974年为例,全省高粱蚜虫发生面积1,260万亩,占高粱播种面积的80％以上,经全党动手,全民行动,进行抢治,用农药3万余吨,才保住了产量。高粱蚜虫在我省原来约每隔五年左右大发生一次,如48、52、57、62年都是大发生年。自 Sorghum aphid is one of the most serious pests in agricultural production in Liaoning Province. To control this pest, a great deal of human and material resources are required. Taking 1974 as an example, the area of ​​sorghum aphid in the province covered 12.6 million mu, accounting for more than 80% of the sown area of ​​sorghum. After the whole party and the whole people took action, they robbed and robbed them of more than 30,000 tons of pesticides to keep their output. Sorghum aphid in the province about the original about once every five years or so, such as 48, 52, 57, 62 years are major occurrences. from