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玉米螟又名玉米钻心虫,是我省历史性的严重害虫,食性很杂,尤以玉米、高粱、谷子被害最重。在玉米上危害心叶、茎杆及穗部,前期危害重的抽不出穗来,有的雄穗抽出就被咬断,不能授粉;后期危害重的造成茎杆倒折,损失很大。到目前止,予东玉米仍因此虫危害常年减产10—20%,严重年份达30%以上;予西较轻,一般年减产5—10%,严重的约20以上。估计我省每年秋粮至少损失5亿斤。为了尽快把我省粮食搞上去,加强对玉米螟的防治工作,已成
Corn borer, also known as corn borer, is a serious pest in our province, food is very complex, especially corn, sorghum, millet most seriously. Harm the heart leaves, stems and ears in corn, the previous heavy damage can not be spike, and some tassels out bitten off, can not be pollination; late heavy damage caused by stem collapse, the loss is great. So far, the east corn is still pests endanger pests 10-20% of perennial production, severe years up to 30%; to the west is lighter, the general annual cut 5-10%, serious about 20 or more. Estimated annual loss of at least 500 million kg of autumn grain in our province. In order to speed up the food in our province, to strengthen the prevention and control of corn borer, has become