我们是怎样防治水稻二化螟的近几年，水稻二化螟在我场时有发生，且有越来越重的趋势。幼虫钻蛀茎秆，造成稻株枯心枯鞘和白穗，严重影响了水稻的生长发育，造成大幅度减产。我们根据二化螟１－２龄幼虫集中为害，３龄以上幼虫转株为害、分散蛀茎的特点，采取对水稻茎秆、... How we control the rice stem borer in recent years, rice stem borer in my field have occurred, and more and more heavy trend. The larvae drilled the stalks, causing the plants to withered dead sheath and white ear, which seriously affected the growth and development of rice and resulted in a significant reduction in production. According to the second instar larvae of Chilo suppressalis concentrated damage, more than 3 instar larvae translocate damage, disperse the characteristics of ching stem, take on the stalks of rice, ...