广东地区墨兰和大花蕙兰炭疽病菌的鉴定  

Identification of anthracnose on Cymbidium sinense and Cymbidium hybridum in Guangdong province

作　　者：施祖荣[1,2] 张云霞[1] 黄江华[1] 向梅梅[1] 

机构地区：[1]仲恺农业工程学院农学院,广东广州510225 [2]华南农业大学资源环境学院,广东广州510642

出　　处：《仲恺农业工程学院学报》2013年第2期22-25,共4页Journal of Zhongkai University of Agriculture and Engineering

基　　金：广东省花卉产业技术体系建设专项(2060302)资助项目

摘　　要：对广东省部分地区栽培墨兰(Cymbidium sinense(Jackson ex Andr.)Willd.)和大花蕙兰(C.hybridumL.)上普遍发生的炭疽菌(Colletotrichum)病害进行了鉴定.经病原菌分离培养、致病性测定及病原菌形态观察和内部转录间隔区(Internal transcribed space,ITS)、β-微管蛋白(β-tubulin)序列分析,结果表明,墨兰炭疽病由博宁炭疽菌(Colletotrichum boninese J.Moriwaki,Toy Sato&T.Tsukiboshi)、胶孢炭疽菌(C.gloeospori-oides Penz.)引起,而大花蕙兰炭疽病仅由胶孢炭疽菌(C.gloeosporioides Penz.)引起.Anthracnose on Cymbidium sinense （Jackson ex Andr. ） Willd and C. hybridum L. in Guangdong were identified according to the pathogenicity, morphology and sequence analyses of ITS and β-tubulin of pathogens. The results showed that the species of pathogens were Colletotrichum boninese J. Moriwaki, Toy Sato ＆ T. Tsukiboshi and C. gloeosporioides Penz.. The leaf spots of C. sinense was caused by C. boninese or C. gloeosporioides, while the leaf spots of C. hybridum was caused only by C. gloeosporioides.

关 键 词：墨兰(Cymbidium sinense(Jackson ex Andr )Willd ) 大花蕙兰(C hybridum L ) 真菌病害 炭疽菌(Colletotrichum) 病害鉴定 

分 类 号：Q939.95[生物学—微生物学] S432.1[农业科学—植物病理学]