论文部分内容阅读
花生病毒病是本地区花生上的重要病害,一般田块以轻斑驳病毒病为主,不同年份的病害流行程度有较大差别,产量损失一般为10～20%。为了能够准确地预测病害流行程度,在1979至1985年进行了田间系统调查,对本地区历年病毒病流行程度与多种气象要素和传毒媒介蚜虫的发生情况进行分析。初步明确花生病毒病流行与花生苗期的蚜量和总降雨量密切相关,并建立了病害流行的多种预测摸式,1986年作了初步验证。
Peanut virus disease is an important disease on peanut in this area. Generally, patchwork is dominated by light mottle virus disease. There is great difference in prevalence among diseases in different years. The yield loss is generally 10-20%. In order to accurately predict the prevalence of the disease, a field system survey was conducted from 1979 to 1985 to analyze the extent of the prevalence of the virus disease over the years and the occurrence of various meteorological elements and vector-mediated aphids. The preliminary identification of the epidemic of peanut virus is closely related to the amount of aphids in the peanut seedling stage and the total rainfall, and a variety of predictive models for the prevalence of the disease have been established. The preliminary validation was made in 1986.