黄矮病是麦类作物的毁灭性病害,五十年代初在美国发现,目前已成为一个世界性病害。我省于1960年在民乐县发现,1962年蔓延,1963年发病比较普遍,据民乐县在七个公社调查,青稞发病面积达青稞总面积的39.7％,这才引起了重视。从一九六四年到 Yellow dwarf disease is a devastating disease of wheat crops. It was discovered in the United States in the early 1950s and has now become a worldwide disease. The province discovered in Minle County in 1960 and spread in 1962, and the incidence was relatively common in 1963. According to the survey conducted by Minle County in the seven communes, the incidence of malpighi fauna reached 39.7% of the total area of ​​green belgium, which attracted great attention. From 1964 to