摘要
冀东地区麦根蝽象经试验观察证明:每二年完成一代,以成虫和若虫越冬,世代重迭现象严重,从5月中旬到9月上旬,周期都有卵、幼虫,成虫存在,给防治造成一定困难,经3年的药效防治试验,春播沟施甲基异柳磷22.5～30kg/hm^2,防治效果可达81％～86％.
Through the test and odservation of Wheat-root Stinkbug in Jidong area,it Showed that one generation ef it finished every two years with its adult and nymph surviving the winter. There was a serious overlap of generations.From mid-May to early-September, there always existed eggs, nymhps and adulta at the same time whivh made certain difficulty in the control of them. It was found after three years of medicine-control test that 22.5～30kg methyl isofenphos per hectare in ruts during spring-sowing could have 81%～86% of insects controf ed.
