赤峰市粟灰螟加重危害原因浅析及综合防治方法□王利民赵素英李延杰粟灰螟俗称谷子钻心虫，是危害谷子的主要害虫之一。我市谷子年播种面积２００万亩左右，近几年由于种植业结构调整，放松了对粟灰螟的防治，致使其发生危害渐趋严重化。１９９７年喀旗、翁旗调查结果表明... Chifeng City, the risk of corn borer to increase the cause of analysis and integrated prevention and control methods □ Wang Limin Zhao Suying Li Yanjie Commonly known as the corn borer borer moth borer, is one of the major pests damage millet. In our city, the annual sown area of ​​millet is about 2 million mu. In recent years, due to the structural adjustment of the planting industry, the prevention and control of the corn borer has been relaxed, causing the damage to become increasingly serious. 1997 Kagoshima, Weng flag survey results show that ...