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[目的]明确江苏宿迁市常见草坪病害及对应病原种类,探讨合理的防治措施。[方法]在宿迁市主要草坪种植区调查草坪病害发生情况,并采集病害标本。根据各种病害典型症状,结合相关资料进行初步诊断;针对不同病原菌种类,采用不同方法采集病源,进行分离、纯化、诱导及鉴定。对各类病害的危害症状、各类病原菌形态进行文字描述和拍摄。[结果]宿迁市草坪中分布最广、危害最严重的病害(病原物)种类有:高羊茅腐霉枯萎病(瓜果腐霉菌Pythium aphanidermatum)、高羊茅褐斑病(立枯丝核菌Rhizoctonia solani)、高羊茅锈病(叶锈菌Puccinia recondite)、黑麦草锈病(禾冠柄锈菌Puccinia coronata)、马蹄金白绢病(齐整小核菌Sclexotium rolfsii)等;病害的防治重点应放在由土壤习居菌所引致的草坪草根部及根茎部病害;建议的防治方法有栽培措施、物理防治等。[结论]该研究为宿迁市常见草坪病害的合理防治提供了理论依据。
[Objective] The research aimed to clarify the common lawn diseases and the corresponding pathogenic species in Suqian City of Jiangsu Province and explore reasonable control measures. [Method] The incidence of turf disease was investigated in the main lawn growing area of Suqian City, and the disease samples were collected. According to the typical symptoms of various diseases, combined with the relevant information for the initial diagnosis; for different pathogen species, using different methods to collect the source, separation, purification, induction and identification. Harm the symptoms of various diseases, all kinds of pathogen morphological description and shooting. [Result] The most widely distributed and the most harmful diseases (pathogenic species) in the lawn of Suqian City were: Pythium aphanidermatum (Pythium aphanidermatum), Tall Fescue brown spot Rhizoctonia solani, Puccinia recondite, Puccinia coronata, Sclexotium rolfsii, and the like; disease prevention and treatment should focus on Placed on the lawn grass caused by soil habitat roots and rhizome diseases; the proposed prevention and control measures include cultivation measures, physical control and so on. [Conclusion] The study provided the theoretical basis for the reasonable prevention and cure of the common lawn diseases in Suqian City.