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一、病毒病的症状 病毒病在蔬菜上一般表现为花叶型、蕨叶型、条斑型三种类型。发病后植株易落蕾、落花、落果(在辣椒、番茄上表现明显)。病害症状是叶片凹凸不平,略卷曲,呈浓绿色或黄绿色深浅不同的花纹状斑(花叶型);或是有暗绿色坏死条班(条斑型);或是叶缘多向下卷曲,心叶常呈狭条状或线状,形似蕨菜(蕨叶型);而果实容易形成花脸或腐烂,三种类型中发生较普遍的是花叶型病毒,但以条斑型病毒对蔬菜的危害最大。
First, the symptoms of virus disease Virus disease in vegetables generally showed mosaic type, fern leaf type, striped type three types. After the onset of plants easy to fall buds, falling flowers, falling fruit (in pepper, tomato obvious). Disease symptoms are uneven leaves, slightly curly, was dark green or yellowish green shades of different patterns of plaques (mosaic); or dark green necrosis tubercle (striped pattern) , The heart leaves often narrow-shaped or linear, shaped like bracken (fern leaf type); and the fruit is easy to form the face or decay, the three types of occurrence is more common in mosaic virus, The hardest of vegetables.