摘要： 本文论述了天津地区十字花科蔬菜的病毒类型.主要分为四个类型:第一类芜菁花叶病毒(TuMV),第二类烟草花叶病毒(TMV),第三类黄瓜花叶病毒(CMV),第四类称为甘兰僵矮病毒,其中以芜菁花叶病毒为主导类型.调查鉴定结果表明,本地区夏季十字花科蔬菜病毒,主要来自种株白菜.二秋小白菜,小油菜以及秋甘兰,秋萝卜可为秋季大白菜直接提供毒源和传播介体.夏季栽培的或野生的十字花科植物是秋白菜病毒病的桥梁寄主.根据病毒消长规律的研究结果提出了秋白菜病毒病的防治途径.

关键词: 十字花科蔬菜, 病毒

Abstract: According to the research results on viruses, crucifer vegetable viruses were classified into four types in Tianjin region, (1) Turnip mosaic virus; (2) Tobacco mosaic virus; (3) Cucumber mosaic virus, and (4) Cabbage rigidity-stunt virus (not published).The study indicates that the main source of summer-cultivated crucifer vegetable viruses in Tianjin region is the seed-producing Chinese cabbage. Some other summer-cultivated and wild crucifer varieties are bridge hosts.Control methods of Chinese cabbage viruses are heraby suggested according to the reselts of the vanishgrowing law of viruses.

Key words: Crucifer vegetable virus, Tianjin