据全国农作物病虫测报网监测,5月底以来,二点委夜蛾成虫由南向北进入盛发期。由于发生时间早、虫源基数大、分布范围广且幼虫为害期与玉米苗期吻合度高,预计今年二点委夜蛾将在黄淮海夏玉米主产区严重发生。面对二点委夜蛾发生的严峻形势,6月13日,农业部办公厅向河北等9个省市农业厅(局、委)下发紧急通知,要求各地务必高度重视,把治虫保苗作为玉米田间管理工作的重中之重,作为夺取玉米高产稳产的重要措施来抓,切实加强组织领导,全面落实属地防控责任,广泛宣传发动,确保各项 According to the National Crop Disease and Pest Report Network monitoring, since the end of May, two members of the night-long moth adults from south to north into the Shengfa period. As early as the time of occurrence, a large number of insect base, a wide distribution and the larvae infestation period and maize seedling stage is high, it is estimated that this year two-stage litura moth will occur in the main producing areas of Huang-Huaihai summer maize serious occurrence. In the face of the severe situation of the emergence of the night-long moth, on June 13, the general office of the Ministry of Agriculture sent an urgent circular to the Agriculture Department (bureau and committee) of nine provinces and cities such as Hebei. They urged all localities to attach great importance to using the pest and seedling conservation as the The top priority of corn field management is to take important measures to seize the high and stable yield of corn, strengthen organization and leadership, fully implement the responsibility of territorial prevention and control, launch extensive campaigns to ensure that all