园林植物叶部病害种类繁多,常见的病害有白粉病、霜霉病、锈病、煤污病、叶斑病、炭疽病、叶畸形病等。植物养护过程中常因为各种病害的发生,使得叶片斑斑点点,支离破碎,甚至提前落叶,从而降低产量及质量,又影响了观赏景致和园林景色,因此防治园林病害对于园林绿化工作是极为重要的。 Garden plant leaves a wide range of diseases, common diseases are powdery mildew, downy mildew, rust, coal stains, leaf spot, anthracnose, leaf malformations and so on. Plant conservation process often because of the occurrence of various diseases, making the leaves speckled, fragmented, and even early deciduous, thus reducing yield and quality, but also affect the ornamental landscape and landscape, so the prevention and control of garden diseases for landscaping work is extremely important.