一、症状类型 番茄病毒病田间症状类型,主要有六种: 1.花叶型:叶片上出现黄绿相间或深浅相间斑驳,叶脉透明,叶略有皱缩的不正常现象,病株较健株矮。 2.蕨叶型:植株不同程度矮化,由上部叶片开始全部或部分变成线状,中、下部叶片向上微卷.花冠加长增大,形成巨花。 First, the type of symptoms Tomato virus disease in the field of symptoms, there are six main types: 1. Mosaic type: yellow-green leaves appear on the phase or the depth of mottled, transparent veins, leaves slightly shrinkage of the abnormal phenomenon, Plant short. 2. Fern leaf type: plants varying degrees of dwarfing, all or part of the upper leaves began to become linear, middle and lower leaves upward micro-roll. Corolla lengthened, the formation of giant flowers.