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一、成虫盛发期一是敌敌畏药棍熏蒸。每667平方米用80%敌敌畏乳油100～150毫升,将玉米心或向日葵秆瓤截成约5厘米长段,浸足敌敌畏药液,按每隔4垄、前进5米1个药棍的密度,将药棍夹在大豆枝杈上。这种熏蒸法适用于大豆长势繁茂、垄间郁蔽的大豆田。二是喷雾。用25%快杀灵乳油或其他菊酯类药剂,每667平方米25～30毫升对水,用背负式喷雾器将喷头朝上从豆根部向上喷,使下部枝叶和顶部叶片背面着药。用这种方法防治成虫,无论大豆长势怎样效果都很好。
First, the adult Shengfa period is dichlorvos medicine stick fumigation. Each 667 square meters with 100% dichlorvos EC 100 ~ 150 ml, the corn heart or sunflower stalks cut into about 5 cm long section, dip the solution of dichlorvos, every 5 ridges, 5 meters forward 1 drug stick density , Will be caught in the sticks of soybean twig. This method of fumigation applies to soybean growing lush, confined soybean fields ridge. The second is the spray. Spray 25 to 30 ml of water per 667 square meters with a sprayer of 25% chlorothalonil or other pyrethroid agents and spray the spray tip upward from the root of the bean with a knapsack sprayer, so that the underside leaves and the top leaves are seeded on the back. With this method to control adult worms, no matter what the effect of the growing soybean are good.