花生网斑病(Web blotch)是我国花生上新发生的一种叶部病害,近几年在主要花生产区发生蔓延较快,引起花生中后期大量落叶,一般年份减产10～20％,重者减产30％以上。为了控制花生网斑病的发生与为害,自1983年以来对该病的发生规律与防治进行了研究,现将结果简述如下。 Web blotch is a new leaf disease occurred on peanut in China. In recent years, its occurrence in the main flowering area has been rapid. It causes a large number of deciduous peanuts in middle and late stages. The annual yield is reduced by 10-20% Those who cut more than 30%. In order to control the occurrence and damage of peanut leaf spot disease, the law of occurrence and prevention of the disease have been studied since 1983, and the results are summarized as follows.