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入汛以来,我国气候异常,雨水偏多,秋季农作物病虫发生危害显著重于常年。受异常气候影响,内蒙古东部、东北大部、华北地区相继发生了严重的玉米三代粘虫危害,发生面积近5000万亩,发生面积之大、范围之广、密度之高、危害程度之重为近十年罕见。这场灾害来的快、来得猛,对玉米生产带来严重的影响。据农业部调查数据显示,截至8月17日,全国完成玉米粘虫应急防治面积4450万亩,占发生面积5600万亩的
Since the flood season, China's climate anomalies, excessive rainfall, pests and diseases in autumn crop damage is more important than perennial. Affected by the abnormal climate, serious damage to the third generation armyworm of corn has occurred in the eastern part of Inner Mongolia, most of the northeastern part and the northern part of North China. The occurrence area is nearly 50 million mu. The occurrence area is large, the scope is wide, the density is high, Near ten years rare. The disaster has come fast and fierce, which has a serious impact on corn production. According to the Ministry of Agriculture survey data show that as of August 17, the country completed the emergency control of armyworm moth area of 4450 mu, accounting for the area of 5600 mu