Abstract
Species of Leucadendron, Leucospermum and Protea (Proteaceae) are in high demand for the international floriculture market due to their brightly coloured and textured flowers or bracts. Fungal pathogens, however, create a serious problem in cultivating flawless blooms. The aim of the present study was to characterise several of these pathogens using morphology, culture characteristics, and DNA sequence data of the rRNA-ITS and LSU genes. In some cases additional genes such as TEF 1-α and CHS were also sequenced. Based on the results of this study, several novel species and genera are described. Brunneosphaerella leaf blight is shown to be caused by three species, namely B. jonkershoekensis on Protea repens, B. nitidae sp. nov. on Protea nitida and B. protearum on a wide host range of Protea spp. (South Africa). Coniothyrium-like species associated with Coniothyrium leaf spot are allocated to other genera, namely Curreya grandicipis on Protea grandiceps, and Microsphaeropsis proteae on P. nitida (South Africa). Diaporthe leucospermi is described on Leucospermum sp. (Australia), and Diplodina microsperma newly reported on Protea sp. (New Zealand). Pyrenophora blight is caused by a novel species, Pyrenophora leucospermi, and not Drechslera biseptata or D. dematoidea as previously reported. Fusicladium proteae is described on Protea sp. (South Africa), Pestalotiopsis protearum on Leucospermum cuneiforme (Zimbabwe), Ramularia vizellae and R. stellenboschensis on Protea spp. (South Africa), and Teratosphaeria capensis on Protea spp. (Portugal, South Africa). Aureobasidium leaf spot is shown to be caused by two species, namely A. proteae comb. nov. on Protea spp. (South Africa), and A. leucospermi sp. nov. on Leucospermum spp. (Indonesia, Portugal, South Africa). Novel genera and species elucidated in this study include Gordonomyces mucovaginatus and Pseudopassalora gouriqua (hyphomycetes), and Xenoconiothyrium catenata (coelomycete), all on Protea spp. (South Africa).
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Claims 17
Claim · model-written summary
B. jonkershoekensis was reported on Protea repens.
- Taxon
- Protea repens
.JPG?width=60)
Protea repense0 - Interactor
- B. jonkershoekensisBrunneosphaerella jonkershoekensise0pathogen
- Outcome
- B. jonkershoekensis on Protea repense0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.JPG?width=500)
Verbatim
e0“B. jonkershoekensis on Protea repens”
Claim · model-written summary
B. nitidae was reported on Protea nitida.
- Taxon
- Protea nitida
Protea nitidae0 - Interactor
- B. nitidaeBrunneosphaerella nitidaee0pathogen
- Outcome
- B. nitidae sp. nov. on Protea nitidae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B. nitidae sp. nov. on Protea nitida”
Claim · model-written summary
B. protearum was reported on Protea spp..
- Interactor
- B. protearumBrunneosphaerella protearume0pathogen
- Outcome
- B. protearum on a wide host range of Protea spp. (South Africa)e0
- Setting
- South Africae0
ProteaOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B. protearum on a wide host range of Protea spp. (South Africa)”
Claim · model-written summary
Curreya grandicipis was reported on Protea grandiceps.
- Taxon
- Protea grandiceps
Protea grandicepse0 - Interactor
- Curreya grandicipisTeichospora grandicipise0pathogen
- Outcome
- Curreya grandicipis on Protea grandicepse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Curreya grandicipis on Protea grandiceps”
Claim · model-written summary
Microsphaeropsis proteae was reported on P. nitida.
- Taxon
- P. nitidaProtea nitidae0
- Interactor
- Microsphaeropsis proteaeMicrosphaeropsis proteaee0pathogen
- Outcome
- Microsphaeropsis proteae on P. nitida (South Africa)e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Microsphaeropsis proteae on P. nitida (South Africa)”
Claim · model-written summary
Diaporthe leucospermi was reported on Leucospermum sp..
- Taxon
- Leucospermum sp.
Leucospermume0 - Interactor
- Diaporthe leucospermiDiaporthe leucospermie0pathogen
- Outcome
- Diaporthe leucospermi is described on Leucospermum sp. (Australia)e0
- Setting
- Australiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diaporthe leucospermi is described on Leucospermum sp. (Australia)”
Claim · model-written summary
Diplodina microsperma was reported on Protea sp..
- Interactor
- Diplodina microspermaDiplodina microspermae0pathogen
- Outcome
- Diplodina microsperma newly reported on Protea sp. (New Zealand)e0
- Setting
- New Zealande0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Diplodina microsperma newly reported on Protea sp. (New Zealand)”
Claim · model-written summary
Fusicladium proteae was reported on Protea sp..
- Interactor
- Fusicladium proteaeFusicladium proteaee0pathogen
- Outcome
- Fusicladium proteae is described on Protea sp. (South Africa)e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Fusicladium proteae is described on Protea sp. (South Africa)”
Claim · model-written summary
Pestalotiopsis protearum was reported on Leucospermum cuneiforme.
- Taxon
- Leucospermum cuneiforme
Leucospermum cuneiformee0 - Interactor
- Pestalotiopsis protearumNeopestalotiopsis protearume0pathogen
- Outcome
- Pestalotiopsis protearum on Leucospermum cuneiforme (Zimbabwe)e0
- Setting
- Zimbabwee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pestalotiopsis protearum on Leucospermum cuneiforme (Zimbabwe)”
Claim · model-written summary
Ramularia vizellae and R. stellenboschensis was reported on Protea spp..
- Interactor
- Ramularia vizellae and R. stellenboschensisRamularia stellenboschensisRamularia vizellaee0pathogen
- Outcome
- Ramularia vizellae and R. stellenboschensis on Protea spp. (South Africa)e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ramularia vizellae and R. stellenboschensis on Protea spp. (South Africa)”
Claim · model-written summary
Teratosphaeria capensis was reported on Protea spp..
- Interactor
- Teratosphaeria capensisNeodevriesia capensise0pathogen
- Outcome
- Teratosphaeria capensis on Protea spp. (Portugal, South Africa)e0
- Setting
- Portugal, South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Teratosphaeria capensis on Protea spp. (Portugal, South Africa)”
Claim · model-written summary
A. proteae was reported on Protea spp..
- Interactor
- A. proteaeAureobasidium proteaee0pathogen
- Outcome
- A. proteae comb. nov. on Protea spp. (South Africa)e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A. proteae comb. nov. on Protea spp. (South Africa)”
Claim · model-written summary
A. leucospermi was reported on Leucospermum spp..
- Taxon
- Leucospermum spp.Leucospermume0
- Interactor
- A. leucospermiAureobasidium leucospermie0pathogen
- Outcome
- A. leucospermi sp. nov. on Leucospermum spp. (Indonesia, Portugal, South Africa)e0
- Setting
- Indonesia, Portugal, South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A. leucospermi sp. nov. on Leucospermum spp. (Indonesia, Portugal, South Africa)”
Claim · model-written summary
Gordonomyces mucovaginatus and Pseudopassalora gouriqua was reported on Protea spp..
- Interactor
- Gordonomyces mucovaginatus and Pseudopassalora gouriquaGordonomyces mucovaginatusPseudopassalora gouriquae0pathogen
- Outcome
- Gordonomyces mucovaginatus and Pseudopassalora gouriqua (hyphomycetes), and Xenoconiothyrium catenata (coelomycete), all on Protea spp. (South Africa)e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gordonomyces mucovaginatus and Pseudopassalora gouriqua (hyphomycetes), and Xenoconiothyrium catenata (coelomycete), all on Protea spp. (South Africa)”
Claim · model-written summary
Pyrenophora leucospermi causes Pyrenophora blight.
- Taxon
- ProteaceaeProteaceaet0
- Interactor
- Pyrenophora leucospermiPyrenophora leucospermie0pathogen
- Outcome
- Pyrenophora blighte0
Verbatim
e0“Pyrenophora blight is caused by a novel species, Pyrenophora leucospermi, and not Drechslera biseptata or D. dematoidea as previously reported”
t0“Proteaceae”
Claim · model-written summary
The prior attribution of Pyrenophora blight to Drechslera biseptata or D. dematoidea was rejected.
- Taxon
- ProteaceaeProteaceaet0
- Interactor
- Drechslera biseptata or D. dematoideae0pathogen
- Outcome
- Pyrenophora blighte0
Verbatim
e0“Pyrenophora blight is caused by a novel species, Pyrenophora leucospermi, and not Drechslera biseptata or D. dematoidea as previously reported”
t0“Proteaceae”
Claim · model-written summary
Xenoconiothyrium catenata was identified on Protea species in South Africa.
- Interactor
- Xenoconiothyrium catenataXenoconiothyrium catenatae0pathogen
- Outcome
- on Protea spp.e0
- Setting
- South Africae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Xenoconiothyrium catenata (coelomycete), all on Protea spp. (South Africa)”