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豆荚螟在我省西部虫荚率一般为10—30％,个别干旱年高达80％以上。1982—1984年我们在岐山原区进行了豆荚螟发生规律观察及药剂防治试验。试验方法1、室内盆栽大豆,人工接虫,笼罩饲养观察虫态历期及习性。2、抗虫鉴定品种157个,每品种3行行长3.3m,不接虫。3、供试药剂为80％敌敌畏、2.5％溴氰菊酯乳剂、2％米螟松粉剂、90％敌百虫和40％乐果乳油(1∶1)混合剂。重复3次,顺序排列,小区面积0.075亩。试验结果(一)史态历期及习性观察1、生活史。室内饲养及田间调查结果表明,豆
Pod pods in the western province of pods rate is generally 10-30%, individual drought up to 80% or more. From 1982 to 1984, we conducted the observation of the regular occurrence of the pod borer in the Qishan original area and the chemical prevention and control experiment. Test methods 1, indoor potted soybeans, artificial insects, shrouded feeding observe the state and habit of insects. 2, Identification of insect-resistant varieties 157, 3 lines per head of 3.3m, do not take the worm. 3, the test agent is 80% dichlorvos, 2.5% deltamethrin emulsion, 2% borer powder, 90% trichlorfon and 40% dimethoate (1: 1) mixture. Repeat 3 times, in order, cell area of 0.075 acres. Test results (a) historical period and habits 1, life history. Indoor feeding and field surveys showed that beans