论文部分内容阅读
前言大麦黄花叶病、小麦黄花叶病及土传小麦花叶病都是土传病毒病,广泛分布在除北海道以外的日本各地,发生在秋播麦上、且为害严重。大麦黄花叶病毒(BYMV)只感染大麦、不感染其它麦类作物。受该病毒感染了的啤酒大麦呈现枯斑、黄化、萎缩症状,严重者全株枯
Preface Barley yellow mosaic disease, wheat yellow mosaic disease and soil-borne wheat mosaic disease are soil-borne virus disease, widely distributed in all parts of Japan except Hokkaido, occurred in autumn wheat, and serious damage. Barley yellow mosaic virus (BYMV) infects only barley and does not infect other wheat crops. The barley infected with the virus presents the symptoms of blight, yellowing and atrophy. In severe cases, the whole plant is withered