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近年来,西瓜病毒病普遍发生,虽有些地区有些品种尚不严重,但很多主产区表现突出。如1989年河北省的保定、山东的济宁、河南的安阳、商丘等都有大发生。1994年河南的大部地区,山东部分地区大发生,1995、1996两年,西瓜主产区河南南、河北、山东等地均普遍发生病毒病,整方连片的西瓜因此而严重减产甚至绝收。 西瓜病毒病又称毒素病、花叶病、小叶病,主要是由西瓜花叶病毒(WMV)、黄瓜花叶病毒(CMV)引起的。其危害症状分为花叶和蕨叶两种类型。花叶型的症状主要是叶子上有黄绿相间的花斑,叶面凹凸不平,新生出的叶子畸形,蔓的顶端节间缩短。蕨叶型
In recent years, watermelon virus disease occurs in general, although some species in some areas are not serious, but many outstanding performance of the main producing areas. Such as 1989 in Baoding, Hebei Province, Shandong Jining, Anyang, Henan, Shangqiu, etc. have occurred. Most of Henan in 1994, Shandong occurred in some areas, in 1995 and 1996, the main producing areas of watermelon in Henan South, Hebei, Shandong and other places are generally viral disease, the whole contiguous watermelon so severely cut or absolutely yield . Watermelon virus disease, also known as toxins disease, mosaic disease, lobular disease, mainly by the watermelon mosaic virus (WMV), cucumber mosaic virus (CMV) caused. Its harmful symptoms are divided into two types of leaf and fern leaves. Mosaic-type symptoms are mainly yellow and green leaves on the leaves of the piebald, uneven foliage, new born leaves deformity, shortening of the top of the vines. Fern leaf type