First report of two Chrysoporthe species, Chrysoporthe doradensis and Chrysoporthe colombiana sp. nov. from Henriettea seemannii pathogenic to Eucalyptus in Colombia

Fungi in the Cryphonectriaceae include some of the most serious pathogens of trees globally. Amongst these, species of Chrysoporthe , previously identified as Cryphonectria , are well known and important pathogens of Eucalyptus propagated in plantations for the production of various wood products. T...

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Bibliographic Details
Published in:Mycological progress 2023-06, Vol.22 (6), Article 44
Main Authors: Suzuki, H., Marincowitz, S., Rodas, C. A., Wingfield, B. D., Wingfield, M. J.
Format: Article
Language:English
Subjects:
Biomedical and Life Sciences
Cryphonectriaceae
Deoxyribonucleic acid
DNA
Ecology
Eucalyptus
Fungi
Hardwoods
Henriettea
Life Sciences
Melastomataceae
Microbiology
New species
Nucleotide sequence
Original Article
Pathogenicity
Pathogens
Plant Sciences
Plantations
Trees
Wood products
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Summary:Fungi in the Cryphonectriaceae include some of the most serious pathogens of trees globally. Amongst these, species of Chrysoporthe , previously identified as Cryphonectria , are well known and important pathogens of Eucalyptus propagated in plantations for the production of various wood products. This study considered Cryphonectriaceae  isolates collected from stem cankers on Eucalyptus and the native tree, Henriettea seemannii ( Melastomataceae ) in Colombia. Isolates were identified based on analyses of DNA sequence data and morphology. These were resolved as Chrysoporthe cubensis , C. doradensis and a new species described here as Chrysoporthe colombiana . All three fungi were found on H. seemannii , whereas C. doradensis was found on Eucalyptus . A pathogenicity test on Eucalyptus showed that the three Chrysoporthe spp. could cause disease on these trees, with C. doradensis being the most aggressive. This study provides another interesting example of tree pathogens in the Cryphonectriaceae occurring on native Melastomataceae and infecting Eucalyptus propagated in plantations.
ISSN:1617-416X
1861-8952
DOI:10.1007/s11557-023-01891-8