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螟虫是我区水稻的主要害虫,历年为害较重,1962年三化螟发生量激增,为害更重 1962年全区在各级党委正确领导和三面红旗光辉照耀下,全面地开展了螟虫药剂防治工作,全区防治而积达210万亩,占发生面积70％,共挽回稻谷损失2,254万斤,但由于三化螟发生数量大,螟害仍然严重,全区153万亩二季稻,遭受三化螟第四代为害造成白穗的面积占81％,一般白穗率8—10％,严重的达20％以上。全区因这一代螟害就减收稻谷3,000多万斤,加上早、中稻和一季晚稻的白穗,共计损失稻谷5,000多万斤,严重影响水稻的稳定增产。因此总结螟虫发生
Stem borer is the main pest of rice in our region, over the years, the damage was heavier, in 1962 the occurrence of borer increased sharply, more damaging 1962 the region at all levels of party committees and the correct leadership of the three red flags shining, the full launch of the stem borer chemical control Work, the entire area of prevention and control and plot up to 2.1 million mu, accounting for 70% of the area occurred, a total loss of 22540000 kg of rice loss, but due to a large number of yellow rice borer, pest damage is still serious, the region 1530000 acres of paddy rice, suffered three The fourth generation of Sesamia inferens caused by white spike the area accounted for 81%, generally white spike rate of 8-10%, severe up to 20% or more. In the whole region, more than 30 million kilograms of rice was reduced due to the generation of pests, and more than 5,000 kilograms of paddy was lost in total in the fields of early rice, middle rice and late rice in the first season, which seriously affected the stable yield increase of rice. Therefore, the occurrence of stem borers occurred