郑州地区冷季型草坪草根腐病病原鉴定  

Identification of turfgrass root rot disease in Zhengzhou

作　　者：孙炳剑[1] 袁红霞[1] 邢小萍[1] 付贵成[1] 李洪连[1] 

机构地区：[1]河南农业大学植物保护学院,河南郑州450002

出　　处：《草原与草坪》2007年第6期51-54,共4页Grassland and Turf

摘　　要：通过对郑州地区冷季型草坪草根腐病病原物分离鉴定发现,主要病原物有镰刀菌(Fusarium spp.)、链格孢菌(Alternaria spp.)、丝核菌(Rhizoctonia spp.)、德氏霉菌(Drechslera spp.)、弯孢菌(Curvularia spp.)和腐霉菌(Pythium spp.)6大类。其中,茄腐镰刀菌(Fusarium solani)和立枯丝核菌(Rhizoctonia solani)(AG-4)的分离频率最高,致病力比较强,为优势病原。Through investigation,isolation and identification,we found that the pathogens of root rot diseases of cool-season turfgrass in Zhengzhou area were Fusarium spp. ,Alternaria spp. ,Rhizoctonia spp. ,Drechslera spp. ,Curvularia spp. and Pythium spp. etc. The result indicated that the dominant pathogens that caused lawn root rot disease in Zhengzhou were Fusarium solani and Rhizoctonia solani （AG-4） with highly isolation frequency and strong virulence.

关 键 词：冷季型草坪草 根腐病 病原菌 鉴定 致病性 

分 类 号：S436.8[农业科学—农业昆虫与害虫防治] S688.4[农业科学—植物保护]