一、症状常见的有花叶、蕨叶和条斑3种类型。花叶型病毒病。从苗期到成株期均可发病。叶片上出现黄绿相间的花斑，叶面上凹凸不平略有皱缩，叶脉透明，顶叶生长缓慢，植株梢矮化，落花落果，果小质劣。蕨叶型病毒病。植株出现不同程度的矮化，由上至下叶片全部或部分卷曲成线状 First, the symptoms are common mosaic, fern leaf and streak 3 types. Mosaic virus disease. From seedling to adult stage can be disease. Leaves appear yellow-green and white spots, folds slightly uneven folds, veins transparent, slow growth of the parietal plant dwarf, drop flowers, fruits of small quality. Fern leaf virus disease. Plants appear to varying degrees of dwarf, top to bottom leaves all or part of the curl into a linear