大豆病毒病是世界上普遍发生的大豆病害之一。70年代以来,在我国各地发生日益严重,对大豆的产量影响很大。我国南方发病严重,黄淮流域一般发病10～(?)0%,北方较轻,但有些地区或年份发病也十分严重,如新疆一般发病为40～100%,种子带毒率为0.6～15.2%;辽宁省一般年份因病毒病 Soybean virus disease is one of the most common soybean diseases in the world. Since the 1970s, the occurrence in various parts of our country has become more and more serious, affecting the output of soybean greatly. In the south of our country, the incidence is serious, the general incidence of Huanghe-Huaihe River Basin is 10% ~ (?) 0%, and the north is light, but the incidence in some areas or years is also very serious. For example, the incidence is 40 ~ 100% in Xinjiang and 0.6 ~ 15.2% %; Liaoning Province, the general year due to virus disease