近年来,草坪作为城镇立体绿化和庭院、别墅美化中的地被植物而被广泛应用,是城市景观生态系统中的重要组成部分,也是衡量城市园林绿化水平和人均绿地面积的重要标准之一。然而,在草坪草的生长过程中,常常会受到各种病原菌的侵染和危害,使草坪出现变色、枯死、萎蔫、腐烂等症状,从而严重影响草坪的整体观赏价值和使用价值,降低草坪质量和 In recent years, the lawn has been widely used as a ground cover in urban three-dimensional greenhouses and gardens and villa landscaping. It is also an important part of the urban landscape ecosystem and one of the important standards for measuring the level of urban landscaping and the per capita green area. However, during the growth of turf grass, it is often infected by various pathogenic bacteria and endangering the lawn to cause discoloration, withering, wilting and decay, which will seriously affect the overall ornamental value and value of lawn and reduce the quality of turfgrass with