红梅皱叶病又叫红梅小叶病,是黄瓜花叶病毒侵染导致的一种病害。发病后嫩叶缘和叶尖向叶面卷缩,叶面积变小,嫩梢顶端回缩收拢,严重时整个树冠嫩叶和嫩梢皱缩收拢,叶面积相对变小,由此而得名。1、发病机理:通过小绿叶蝉成虫迁飞和口器刺吸刻伤叶背,将黄瓜花叶病毒 Hongmei brown leaves, also known as Hongmei leaf disease, cucumber mosaic virus infection is caused by a disease. After the onset of tender leaves edge and tip curl to the foliage, leaf area becomes smaller, the tip of the shoots retract Shoulong, severe crown foliage and shoots shrunk, leaf area is relatively smaller, hence the name . 1, the pathogenesis: through the small green leafhopper migratory fly and mouth piercing suction carved leaves back, the cucumber mosaic virus