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7月以来,黄淮海夏玉米区相继发生二点委夜蛾。截至7月10日,已有6省33个市(地)153个县发生,发生面积超过133万hm2。二点委夜蛾是近年来玉米田新发生的害虫,具有暴发性、幼虫聚集性、为害隐蔽性等特征,对夏玉米生产构成较大威胁。全国农技中心近日发出紧急通知(农技办[2011]41号文),要求有关省(市)植保机构迅速行动,全力开展玉米田二点委夜蛾应急防控工作。
Since July, Huanghuaihai summer maize area have occurred two-point exigua moth. As of July 10, 33 counties (prefectures) and 33 counties in 6 provinces have occurred, with an area of more than 1.33 million hm2. Two-stage litura moth is a new pest in the corn field in recent years, with characteristics such as outbreaks, larvae aggregation and damage concealment pose a greater threat to summer maize production. The National Agricultural Technology Center recently issued an emergency notice (Agricultural Technology Office [2011] No. 41), requiring the relevant provincial (city) plant protection agencies to act swiftly and make every effort to carry out the emergency prevention and control of the worms at the two-point bar on the corn field.