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近年来 ,甜菜夜蛾发生逐年加重 ,已成为影响山东省农业生产的又一重要害虫。为了控制该虫的为害 ,全省各地在防治技术和药剂筛选方面做了大量工作。其中 5%增效氯氰菊酯 (夜蛾必杀 ,下同 ,山东华阳农药化工集团有限公司生产 )ＥＣ(乳油 ,下同 )以高效、速效、低毒、低残留等优
In recent years, the occurrence of beet armyworm increased year by year, has become another important pest affecting Shandong agricultural production. In order to control the pest of this pest, a great deal of work has been done in the areas of prevention and control technologies and drug screening across the province. Among them, 5% cypermethrin (the same is to be killed in the armyworm, the same below, Shandong Huayang Pesticide Chemical Group Co., Ltd.) EC (EC, the same below) with high efficiency, quick effect, low toxicity,