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近年来,由于蚕豆产区一些农户对分户保管的蚕豆缺乏有效的防治措施,致使蚕豆象的危害日趋严重,蚕豆虫蚀粒有的地方竟高达50％。超过国家允许存在标准数10倍,6、7月份是防治蚕豆象的最佳时机,要不失时机地消灭蚕豆象。蚕豆象一年发生一代,以成虫在豆粒、仓库、豆秆及田间等隐蔽处越冬,豆类开花后成虫飞到豆荚产卵,幼虫孵出后即钻入豆粒为害,并随着蚕豆的收获进入仓库继续危害。7月底8月初陆续羽化钻出豆粒。被豆象危害的蚕豆有点点蛀孔,严重的表皮成赤褐色,影响食用,降低其至消失发芽率。
In recent years, due to the lack of effective prevention and control measures by some farmers in the broad bean producing areas, the harm of broad bean plants is becoming more and more serious. More than 10 times the number of countries allowed to exist standards, 6, July is the best time to prevent and control broad beans, should seize the opportunity to eliminate beans like. Broad bean like a generation a year to adults in the beans, storage, bean stalks and fields and other hidden places overwintering, the flowering of beans after the adults fly to the pods to lay eggs, larvae burrowed into the bean kernels, and with the harvest Into the warehouse to continue to harm. At the end of July and early August, one after another emerge drilled beans. Beans asbestos beans a little bit boring holes, a serious brown skin into the skin, affecting consumption, reducing its rate of disappearance of germination.