黄瓜病毒病(或花叶病)是近年来保护地生产中的威胁性病害。发病严重的植株、田块几乎绝产,已引起各界足够的重视。据我们观察近几年来病毒病在多种作物上,有 Cucumber virus disease (or mosaic disease) is a threatening disease in the production of protected areas in recent years. Seriously ill plants, plots almost absolutely have attracted enough attention from all walks of life. According to our observation in recent years the virus disease in a variety of crops, there