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土传小麦黄花叶病是我省八十年代初发现的一种新病害。几年来,在鄂东北沿大别山一带的罗田、英山、红安、蕲春、浠水、应山、大悟、黄陂等县每年都有不同程度的发生和为害。据初步统计,三年来病区累计发病面积近百万亩。发病田块,轻者减产1—3成,重者5成以上,甚至绝收。本病已成为我省部分小麦产区的重要病害之一。 1982—1987年,我们研究了本病的病原、传播途径和发生规律,对其防治措施也进行了系统试验和大面积示范。现已筛选出
Soil-transmitted wheat yellow mosaic disease is a new disease found in the early 1980s in our province. In the past few years, the fields of Luotian, Yingshan, Hong’an, Hunchun, Xishui, Yingshan, Dawu and Huangpi in the northeastern Hubei Province along the Dabie Mountains have taken place to varying degrees every year. According to preliminary statistics, the accumulated disease area in the past three years has reached nearly 1 million mu. Disease field block, the light output reduction of 1-3, in serious cases more than 5 percent, or even absolute. The disease has become one of the important diseases in some wheat producing areas in our province. From 1982 to 1987, we studied the pathogen, the route of transmission and the occurrence of this disease, and conducted systematic experiments and large-scale demonstration of its prevention and treatment measures. Has been screened out