防治水稻螟虫效果欠佳的原因所在洪湖市瞿家湾镇农技站秦前淦水稻二化螟、三化螟作为水稻的主要害虫，田间基数是越来越大，对水稻正常生长发育的威胁也越来越严重．去年在水稻主产区，第１代Ｍ化螟、第３、４代三化螟分别对早、中、晚稻都造成了较重的危害，特别是第３。... The reason for the poor control of rice stem borers where Qujiawan Town, Honghu Agricultural Science Station Qin Qian Gan rice borer, Borer borer as the main pests of rice, the field base is more and more, the threat to the normal growth and development of rice The more serious. Last year in the main rice producing areas, the first generation of the mulberry borer, third and third generations of the three stem borer respectively, early, middle and late rice have caused more serious harm, especially No. 3. ...