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大豆花叶病在新疆发生普遍而严重,1983和1984两年调查,全疆主要大豆产区几乎都有发生,一般发病率达40—100％,严重地影响大豆的产量和质量。经鉴定,新疆大豆花叶病主要由大豆花叶病毒(SMV)侵染所致。1983—1984年,我们对此病在新疆的发生、流行及防治等进行了研究。 一、症状 根据对种传病株和田间病株的调查,新疆大豆花叶病主要有以下二种症状类型: 1.疱疹花叶型:病苗单叶叶缘波状,叶
Soybean mosaic disease is common and serious in Xinjiang. Investigation in 1983 and 1984 showed that almost all the major soybean producing areas in Xinjiang had a common incidence of 40-100%, which seriously affected the yield and quality of soybean. It has been identified that Soybean mosaic disease in Xinjiang is mainly caused by the infection of soybean mosaic virus (SMV). In 1983-1984, we conducted a study on the occurrence, epidemic and prevention of the disease in Xinjiang. First, the symptoms According to the investigation of species-transmitted strains and field disease strains, Xinjiang soybean mosaic disease mainly has the following two types of symptoms: 1. Herpes mosaic type: diseased leaves single leaf margin wavy leaves