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杨子象甲是“三北”地区重要杨树蛀干害虫，为了筛选简单易行、经济有效的防治用药，进行了杀虫优防治杨干家甲的药效试验，取得了理想的防治效果．
As an important poplar weeping pest in the “Three Norths” region, Ascochyta tenuiflora was tested for efficacy against insecticide and prophylactic treatment of Yanggan Jiajia in order to screen out simple, economical and effective control drugs.