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1 病菌的来源西瓜枯萎病是威胁西瓜生产最严重的病害,全国各省市瓜区都有发生,但发生轻重不同,为了探明各省市西瓜枯萎病菌是否属于同一菌系,其致病性强弱有无差异等,则进行了不同省市西瓜枯萎病菌形态和致病性比较,西瓜枯萎病菌菌株由全国西瓜抗病育种协作组的九省市(湖南、南京、合肥、阜
A source of pathogens Watermelon Fusarium wilt is the most serious threat to the production of watermelon disease, melons all provinces and cities have occurred, but the severity is different, in order to determine whether the watermelon Fusarium strains belonging to the same province, its pathogenicity Whether there is difference or not, the morphological and pathogenicity of Fusarium oxysporum f. Sp. In different provinces and municipalities were compared, and the strains of Fusarium oxysporum f. Sp. Were collected from nine provinces and municipalities (Hunan, Nanjing, Hefei, Fu