AI Article Synopsis
- Cankers causing branch, stem, and plant death were identified on a South African endemic species in the Cederberg Wilderness Area in September 2021.
- A new, undescribed fungal species was isolated from the cankers, confirmed through phylogenetic analysis and morphological characteristics.
- Pathogenicity tests established that this fungus is responsible for the canker disease, which is currently known only from this specific location in South Africa, highlighting the need for further research on its distribution.
Article Abstract
Cankers leading to branch, stem and plant death were observed on the South African endemic () in the Cederberg Wilderness Area, South Africa, during September 2021 Conidiomatal pycnidia were found developing on the cankers, and isolations consistently yielded a species. Phylogenetic analysis based on partial nucleotide sequences of the internal transcribed spacers (ITS), the nuclear large subunit (LSU) and RNA polymerase II second largest subunit () regions showed that the fungus represented an undescribed species. Based on the multigene phylogeny and morphological characteristics, we describe the species here as . Pathogenicity tests and the fulfilment of Koch's postulates confirmed that . is the cause of the cankers of . Presently, this disease is known from a single location in South Africa, and further surveys are required to determine its distribution and relative importance Paap T, Marincowitz S, Pham NQ, Roets F, Basson RJ, Wingfield BD, Oberlander K, Wingfield MJ (2023). A novel species of causing cankers on in South Africa. : 73-80. doi: 10.3114/fuse.2023.12.05.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10964399 | PMC |
| http://dx.doi.org/10.3114/fuse.2023.12.05 | DOI Listing |
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