小麦病毒病是由传毒昆虫引起的病害,近年来,发生面积有逐年扩大的趋势。尤其是田边地头、邻近大秋作物田、渠道、坟圈等着生杂草多的地块,发病更为严重。轻者减产30％,一般减产50％,重者绝收。已成为小麦生产上的突出问题。 小麦病毒病包括丛矮病和黄矮病,二者在田间混合发生。丛矮病的症状是:小麦出土后20天即可 Wheat virus disease is a disease caused by poisonous insects. In recent years, the area of ​​occurrence has been expanding year by year. In particular, Tanabe and Tau, adjacent to the autumn crop fields, channels, graves and other living weeds and more plots, the incidence is more serious. Light output reduction of 30%, the general reduction of 50%, those who receive the worst. Has become a prominent issue in wheat production. Wheat virus diseases include bushy dwarf and yellow dwarf, both occurring in the field. Dwarf disease symptoms are: 20 days after the wheat can be unearthed