植物病毒是仅次于真菌的重要病原物。大田作物和果蔬都有几种或十几种病毒病,有的危害性很大。特别是十字花科蔬菜的病毒,番茄和瓜类等病毒病是生产上的突出问题。病毒的个体极小,要在电子显微镜下放大几万倍才能看到,它是不具备细胞结构的生物,而是一种由核酸和蛋白质组成的巨分子生物,也叫非细胞生物。抗毒素是山西夏冯农科所研制 Plant virus is second only to fungi, an important pathogen. Field crops and fruits and vegetables have several or a dozen virus diseases, some great harm. In particular, cruciferous vegetables, viruses such as tomatoes and melons are prominent problems in production. It is an organism that does not have cellular structure. It is a macromolecular organism composed of nucleic acids and proteins, also called a non-cellular organism. Anti-toxin is developed by Xia Feng Agricultural College