近日,全国农技中心通报了2016年玉米前期病虫害发生概况,并对中后期发生趋势做出了预测。一、玉米前期病虫害发生概况玉米前期病虫以一代玉米螟、二代粘虫、二点委夜蛾、地下害虫、蓟马、粗缩病和纹枯病为主,总体为偏轻发生,程度轻于近几年,发生面积2.6亿亩次,其中,玉米 Recently, the National Center for Agronomy informed the occurrence of pests and diseases in the early stage of maize in 2016 and made a prediction on the occurrence trend in the mid and late stages. First, the pre-emergence of pests and diseases of corn Pre-maize pests to a generation of corn borer, second generation armyworms, two members of the night moth, underground pests, thrips, rough and sheath blight, the overall light partial occurred, the degree In recent years, the area of ​​2.6 million mu occurred, of which corn