论文部分内容阅读
一、蚕豆的变化特点蚕豆在贮藏过程中的不良变化主要是生虫和变色。 1.虫害蚕虫象(俗称豆牛)是危害蚕豆的主要害虫,通常以成虫隐避在仓库角落隙缝或田间枯枝草丛里,次年成虫产卵于刚发育的嫩荚上,孵化后,幼虫钻入豆粒内逐渐成长。当蚕虫成熟收获后,就一同带入仓内继续危害,并羽化为成虫,从豆粒内穿小孔飞出,躲藏在仓库内越冬。到来年蚕豆开花结荚时,又飞到田间交尾产卵,孵化幼虫蛀食豆粒。这样循环往复,使蚕豆品质下降,生活力丧失,造成严重的损失。因此在生产上采取田间杂虫和仓内防治相结合的技术措施,可以大大降低或完全防止蚕豆象的危害。 2.种皮变色蚕豆的种皮颜色
First, the changing characteristics of broad beans Broad beans in the storage process is the main adverse changes in pests and discoloration. 1. Pest Insects (commonly known as Beef cattle) is the main pest damaging broad beans, insects are usually hidden in the corner of the warehouse corner gaps or fields withered grass, the following year adult spawning on the newly developed tender pods, after hatching, larvae Drilled into beans gradually grow. When the harvested silkworm mature, it will be brought into the warehouse to continue to endanger, and eclosion into adults, flying out from the hole in the bean grains, hiding in the warehouse overwintering. When the flowering and podding of Vicia faba in the coming year, they flew to the field to lay eggs and hatch larvae to eat beans. This cycle of reciprocation, so that the quality of broad beans, loss of vitality, resulting in serious losses. Therefore, in the production of field caterpillars to take control of the combination of technical measures can greatly reduce or completely prevent the harm of Vicia faba. 2. Seed coat discoloration broad bean seed coat color