第二代玉米螟田间消长动态研究许国庆，田本志，赵琦，张一兵（辽宁省农业科学院植保所）玉米螟（ＯｓｔｒｉｎｉａｆｕｒｎａｃａｌｉｓＧｕｅｎｅｅ）是辽宁省玉米、高粱等禾谷类作物的重要害虫，对作物产量和粮食质量影响甚大。玉米螟在辽宁大部分地区一年发生两代。建... Ostriniafurnacalis Guenee (Ostrinia furnacalis Guenee) is an important pest of cereal crops such as corn and sorghum in Liaoning Province. Crops yield and grain production Quality has a huge impact. Corn borer occurs in most areas of Liaoning two generations a year. build...