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Mycoparasites of Coccodiella miconiae (Ascomycota: Phyllachoraceae) a potential biocontrol agent for Miconia calvescens (Melastomataceae)
|Title:||Mycoparasites of Coccodiella miconiae (Ascomycota: Phyllachoraceae) a potential biocontrol agent for Miconia calvescens (Melastomataceae)|
|Authors:||Seixas, Claudine D.S.|
Barreto, Robert W.
Bezerra, Jose Luiz
|LC Subject Headings:||Miconia calvescens -- Biological control.|
Miconia calvescens -- Diseases and pests.
|Issue Date:||Feb 2005|
|Publisher:||Pacific Cooperative Studies Unit, University of Hawaii at Manoa, Department of Botany|
|Citation:||Seixas CDS, Barreto RW, Bezerra JL, David J. 2005. Mycoparasites of Coccodiella miconiae (Ascomycota: Phyllachoraceae) a potential biocontrol agent for Miconia calvescens (Melastomataceae). Honolulu (HI): Pacific Cooperative Studies Unit, University of Hawaii at Manoa, Department of Botany. PCSU Technical Report, 133.|
|Series/Report no.:||Technical Report|
|Abstract:||Miconia calvescens is a devastating plant invader in Hawaii and French Polynesia. Exploratory surveys for pathogens associated with this small tree were performed in its neotropical native range as part of a classical biological control program. Observations made in the field in Brazil, Costa Rica and Ecuador suggested that Coccodiella miconiae (Ascomycota: Phyllachoraceae) has great potential as a biocontrol agent. It was also noted that in its native range populations of this fungus are often severely hyperparasitized by a series of fungi. The presence of such fungi is regarded as a serious threat to the potential efficacy of C. miconiae in the event of its introduction into the new ranges of distribution of the plant. In the present work the taxonomy of eight of|
these fungi was studied. Three new species and a new variety are described: Sagenomella dimorphica, Cladosporium mycoparasiticum, Redbia annulata and Sagenomella alba var.nov. synematosa. Corynespora cassiicola was found for the first time growing on another fungus. Paranectriella juruana was also recorded. In addition to those three fungal species were also found associated to C. miconiae stromata. These were tentatively identified as Paecilomyces sp., Periconiella sp. and Pleospora/Lewia and will be described and discussed in a later publication.
|Description:||Reports were scanned in black and white at a resolution of 600 dots per inch and were converted to text using Adobe Paper Capture Plug-in.|
|Sponsor:||U.S. Geological Survey, Biological Resources Discipline, Pacific Islands Ecosystems Research Center; U.S. National Park Service, Cooperative Ecological Studies Unit|
|Appears in Collections:||The PCSU and HPI-CESU Technical Reports 1974 - current|
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