我省大麦黄花叶病在六十年代初期开始发现,以后迅速蔓延,至今已有30多个县的大麦发病。这一病害成为夺取大麦高产的严重障碍。因此,进一步认识大麦黄花叶病的发生规律,采取有效的措施加以防治,是大麦生产上的一个重要课题。 Barley yellow mosaic disease in our province began to be discovered in the early 1960s, and then rapidly spread. So far, more than 30 counties of barley have been affected. This disease has become a serious obstacle to the high yield of barley. Therefore, to further understand the law of barley yellow mosaic disease and take effective measures to prevent and control it is an important issue in the production of barley.