广西玉米纹枯病菌培养性状及其致病力研究  

Studies on the anastomosis groups and the pathogenicity of corn sheath blight in Guangxi

作　　者：谭贤杰[1] 程伟东[1] 覃兰秋 吴子恺[1] 

机构地区：[1]广西大学农学院,南宁530005 [2]广西玉米研究所,南宁530227

出　　处：《植物保护》2006年第6期29-32,共4页Plant Protection

基　　金：广西科学基金项目(桂科基0575082);国家科技攻关计划项目(2004BA525B04-10)

摘　　要：从广西玉米主产区的8个县市秋玉米的纹枯病病株中分离出8个玉米纹枯病菌株,经生物性状的观察和菌丝融合群测定表明,它们都属于立枯丝核菌AGk-1-IA融合群;腐生定殖能力和致病力测定表明,菌株GX4、GX1的腐生定殖能力和致病力最强。Eight pathogen strains of corn sheath blight isolated from different regions of Guangxi were all identified as Rhizoctonia solani AG-1-IA. The pathogenicity test showed that the strain GX1 and GX4 were the most virulent to com.

关 键 词：玉米纹枯病 菌丝融合群 致病力 腐生定殖能力 

分 类 号：S435.131[农业科学—农业昆虫与害虫防治]