５％涕灭威颗粒剂对烟草蚜虫的防治效果陈奉玉陈国瑞（临颍县植保植检站，临颍４６２６００）马奇祥（河南省农业科学院植物保护研究所）烟草蚜虫不仅消耗烟株的大量养分，影响烟株的生长发育，也使烟叶表面布满蚜虫残体和粪便；而且，蚜虫还传播花叶病毒，导致烟草的产量... Effect of 5% aldicarb granules on the control of tobacco aphids Chen Fengyu, Chen Guorui (Linying County Plant Protection and Inspection Station, Linying 462600) Ma Qixiang (Institute of Plant Protection, Henan Academy of Agricultural Sciences) Tobacco aphids not only consume a large amount of nutrients in tobacco plants, Tobacco growth and development, but also to the surface of tobacco covered with aphid remnants and excrement; and, aphids also spread mosaic virus, resulting in tobacco production ...