7～8月份是葡萄在一年中的发病高峰期。此期间病虫害防治的好坏,不仅对当年植株的生长影响重大,对来年果园的病虫害防治也不无影响。葡萄病害的防治要做到以防为主,综合防治。一、病害种类该期间红提葡萄的主要病害有:霜霉病、白粉病、褐斑病、黑腐病、黑痘病。二、发病症状与防治措施 July to August is the peak incidence of grapes in the year. The quality of the pest control during this period not only had a significant impact on the growth of the plant in that year but also had no effect on the prevention and control of pests and diseases in the orchard in the coming year. Prevention of grape diseases should be done to prevent, comprehensive prevention and treatment. First, the types of diseases The main diseases of red grapes during the period are: downy mildew, powdery mildew, brown spot, black rot, acne disease. Second, the incidence of symptoms and prevention measures