【摘要】 根据作者研究西瓜花叶病毒除侵染葫芦科作物外,还在苋色藜上形成枯斑,桃蚜可作为传毒媒介。病毒的长度为600～700mμ的线状分子等特性,引起北京西葫芦花叶的病毒应属于西瓜花叶病毒——WMV-2。更多还原

【Abstract】 The watermelon mosaic virus-WMV-2 (BJ),inducing a mosaic di-sease of pumpkin (Cucurbita pepo)in Beijing,is charaterized by thefollowing properties:flexible particles with majority of 600-700nm,inlength,mechanical and aphid transmission,a wider host range,and se-rologically related to potato virus Y.更多还原