小麦黄条花叶病是我区小麦、青稞上的一种新病害。此病发展快,危害重、损失大,轻者减产20～30％,重者减产50～70％,以至无收。为了摸清发病原因,探索发生规律,寻找防治办法,我所于一九七七年开始对症状特征,传染途径,病毒形态,病毒的抗逆性,发病因子等,进行了调查,试验研究: Wheat yellow mosaic disease is a new disease on wheat and barley in our district. The rapid development of the disease, endanger heavy, the loss of large, the light cuts 20 to 30%, the heavy cut 50 to 70%, and even without payment. In order to find out the cause of the disease, to explore the law of occurrence, and to find ways of prevention and treatment, I conducted a survey and experimental study on symptoms, infection, virus form, virus resistance and incidence of disease in 1977: