近年来,广销草坪作为一种迅速改变城市生态环境、提高城市绿化覆盖率的途径而大力发展。然而在建植大面积草坪以后,如何防治病害的发生是一个十分迫切的问题。用化学方法防治尽管可以很快地控制病害的发生与发展,但农药的残留又很大程度地破坏了生态平衡,尤其在公园、广场等公共场所,化学防治严重污染环境,危害人们健康。因此,如何通过 In recent years, the widespread sales of lawn as a rapid change in urban ecological environment, improve the coverage of urban greening way to develop energetically. However, after the construction of large-scale lawn, how to prevent the occurrence of diseases is a very urgent issue. Chemical Control Although the occurrence and development of diseases can be controlled quickly, the residues of pesticides have greatly damaged the ecological balance. Especially in public places such as parks and squares, chemical control seriously pollutes the environment and endangers people’s health. So how to pass