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西瓜花叶病俗称疯秧子，在全国各地西瓜产区均有发生，近几年成为影响西瓜品质和产量的一种重要病害。西瓜花叶病主要是由西瓜花叶病毒 2号侵染造成的，症状分为花叶型和蕨叶型两大类。花叶型病株呈现黄绿相间的花斑，叶面凹凸不平，新叶畸形，有时出现明脉及褪绿斑，后呈黄
Watermelon mosaic disease commonly known as crazy seedlings, watermelon in all parts of the country have occurred in recent years have become an important disease affect the quality and yield of watermelon. Watermelon mosaic disease is mainly caused by watermelon mosaic virus infection No. 2, the symptoms are divided into two types of leaf mosaic type and fern. Mosaic type plants showed yellow-green and white spots, uneven foliage, new leaf deformities, sometimes with clear veins and faded green spots, yellow after