@ARTICLE{TreeBASE2Ref16464, author = {Carolien M Lubbe and Sandra Denman and Paul F. Cannon and Johannes (Ewald) Zacharias Groenewald and Sandra C. Lamprecht and Pedro W. Crous}, title = {Characterization of Colletotrichum species associated with anthracnose and dieback of Proteaceae}, year = {2003}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Mycologia}, volume = {}, number = {}, pages = {}, abstract = {Colletotrichum spp. are known to occur on and cause diseases of Proteaceae, but their identities are confused and poorly understood. In this study, Colletotrichum spp. associated with proteaceous hosts growing in various parts of the world were identified based on morphology, sequence data of the internal transcribed spacer region (ITS-1, ITS-2), the 5.8S gene, and partial sequences of the ?-tubulin gene. Four species of Colletotrichum were associated with Proteaceae. Colletotrichum gloeosporioides was isolated from Protea cynaroides cultivated in South Africa and Zimbabwe and from a Leucospermum sp. in Portugal, but is known to occur worldwide on numerous hosts. A recently described species, C. boninense, was associated with Zimbabwean and Australian Proteaceae, but also occurred on a Eucalyptus sp. in South Africa. This represents a major geographical and host extension for the species, and a description of the African strains is provided. Colletotrichum crassipes was represented by a single isolate obtained from a Dryandra plant in Madeira. Colletotrichum acutatum was isolated from Protea and Leucadendron in South Africa as well as from other hosts occurring elsewhere. A pathologically distinct population of this species was found to occur on Hakea in South Africa, This population is characterized, and relationships with other C. acutatum populations are discussed.} }

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