Use este identificador para citar ou linkar para este item: https://locus.ufv.br//handle/123456789/22713
Tipo: Artigo
Título: Cercosporoid hyphomycetes associated with Tibouchina herbacea (Melastomataceae) in Brazil
Autor(es): Parreira, Douglas Ferreira
Silva, Meiriele da
Pereira, Olinto Liparini
Soares, Dartanha José
Barreto, Robert Weingart
Abstract: A survey of fungal pathogens associated with cane tibouchina, Tibouchina herbacea (Melastomataceae), was conducted in the neotropics, concentrated in south and southeastern Brazil and aimed at finding potential biological control agents for this herbaceous invasive weed for introduction into Hawaii. Numerous fungal species were found, including five cercosporoid fungi. Four new taxa are described and illustrated here: Passalora tibouchinae, Pseudocercospora subsynnematosa, Pseudocercospora tibouchina-herbaceae and Pseudocercospora tibouchinicola. A phylogenetic analysis of the ITS and TEF-1α regions of the three new species of Pseudocercospora was conducted and confirmed their separation as distinct taxa as indicated by morphological and cultural features. Additionally, Cercospora apii is reported for the first time on T. herbacea. Among the species of fungi described in this study, two appear particularly promising for use in a biological control program because they were found to cause severe disease on T. herbacea: Passalora tibouchinae and Pseudocercospora subsynnematosa. Additional tests, including host-specificity screening, will be required in order to confirm this potential.
Palavras-chave: Classical biological control
Cercospora
Fungal survey
New taxa
Passalora
Pseudocercospora
Editor: Mycological Progress
Tipo de Acesso: German Mycological Society and Springer-Verlag Berlin Heidelberg 2014
URI: https://doi.org/10.1007/s11557-013-0952-0
http://www.locus.ufv.br/handle/123456789/22713
Data do documento: Ago-2014
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