小麦黄矮病是一种病毒病害,病原是大麦黄矮病毒。这一病毒不仅危害小麦,而且为害莜麦、大麦。传毒介体主要是麦长管蚜和二叉蚜,当它刺吸麦类汁液时,同时分泌毒素,在适宜条件下表现症状。近年来,麦类黄矮病在我县严重流行,受害重的小麦田块大幅度减产。为使小麦、莜麦免受或少受危害,我们在1979年至1980年从防治麦蚜入手,探索对黄矮病的防治。试验证明,通过防蚜传毒对控制 Wheat yellow dwarf is a viral disease, the pathogen is barley yellow dwarf virus. This virus not only endangers wheat but also oats barley and barley. Toxins are mainly wheat aphid and dipterous aphid, when it is punctured wheat juice, while secreting toxins, under the appropriate conditions, the performance of symptoms. In recent years, wheat yellow dwarf disease is a serious epidemic in our county, severely affected wheat fields significantly reduced production. In order to prevent wheat and oats from harm or less, we started with the control of wheat aphids from 1979 to 1980 and explored the control of yellow dwarf disease. Test proved that through the prevention of aphids poisoning on the control