【摘要】 发生在宁夏甜菜上的一种病毒病的病株叶丛主要表现为黄化、焦桔和叶脉黄化坏死。从其分离的病毒粒子呈杆状,宽约20nm,长度为65—110nm、270—300nm和390—420nm,能侵染甜菜、菠菜、昆诺阿藜、苋色藜、番杏,与甜菜坏死黄脉病毒(BNYVV)抗血清呈阳性反应。综上所述,认为该病害是由BNYVV引起的。更多还原

【Abstract】 A virus disease of sugar beet occurred in Ningxia showing symptoms of yellows, parch blight and necrotic yellow vein of foliage leaves. The rod shaped virus was isolated from sugar beet plants affected with rhizomania disease The virus particles had a width of about 20 nm and at lengths of 65—110nm, 270—300nm, and 390—420nm, The virus could infect Bete uulgaris L., Spinacea oleracea, Chenopodium quinoa, C. amaranticolor, Tetragonia expansa. The virus could react with BNYVV antiserum According to the above deseription this virus can be determined as Beet Necrotic Yellow Vein Virus.更多还原