[Objectives]The paper was to identify the causal agent of leaf spot of banana in Hainnan,China.[Methods]Fungus isolates were isolated from the diseased tissues,and morphological characteristics of colony and spore wer...[Objectives]The paper was to identify the causal agent of leaf spot of banana in Hainnan,China.[Methods]Fungus isolates were isolated from the diseased tissues,and morphological characteristics of colony and spore were observed.Furthermore,phylogenetic analyses and pathogenicity test were conducted to confirm the pathogen.[Results]The fungus isolates from the diseased tissues was identified as Curvularia geniculata.[Conclusions]C.geniculata is a new pathogen causing leaf spot of banana in Hainan,China.This finding will help to broaden the distribution and host range of C.geniculata,indicating that it poses potential damage to banana in China.展开更多
t Coelomycetous fungi are an artificial taxonomic group which produce conidia inside a cavity i.e.conidiomata.Coelomycetes comprise about,1000 genera and 7000 species,which can be endophytic,pathogenic or saprobic.Tra...t Coelomycetous fungi are an artificial taxonomic group which produce conidia inside a cavity i.e.conidiomata.Coelomycetes comprise about,1000 genera and 7000 species,which can be endophytic,pathogenic or saprobic.Traditional classification of coelomycetes was previously based on morphology,such as the shape of conidiomata and mode of conidiogenesis,while it was treated as a distinct group i.e.Deuteromycotina.Sequence based taxonomic studies has been used to accommodate asexual fungi in a natural classification system,resolve generic boundaries of polyphyletic genera and species complexes,as well as establish asexual-sexual links.Nevertheless,most of genera lack sequence data,thus,morphology based identification is still important when introducing new genera or species.In this paper we illustrate,describe,and provide taxonomic notes for 235 dematiaceous coelomycetous genera,including five new genera viz.Apiculospora,Didymellocamarosporium,Melanocamarosporium,Melnikia and Paulkirkia.Phylogenetic analyses of combined sequence data are provided to show placements of dematiaceous coelomycetes in Dothideomycetes,Leotiomycetes and Sordariomycetes.One-hundred and fifty-two(65%)of genera have sequence data,thus,their taxonomic placement in a natural classification system,is listed as an outline.However,83 genera still lack sequence data,hence,they are treated as Ascomycota,genera incertae sedis.In addition,separate analyses are provided where better taxonomic resolution is needed.展开更多
基金High-level Talents Project of Hainan Provincial Natural Science Foundation of China(2019RC278)The Earmarked Fund for CARS(CARS-31)。
文摘[Objectives]The paper was to identify the causal agent of leaf spot of banana in Hainnan,China.[Methods]Fungus isolates were isolated from the diseased tissues,and morphological characteristics of colony and spore were observed.Furthermore,phylogenetic analyses and pathogenicity test were conducted to confirm the pathogen.[Results]The fungus isolates from the diseased tissues was identified as Curvularia geniculata.[Conclusions]C.geniculata is a new pathogen causing leaf spot of banana in Hainan,China.This finding will help to broaden the distribution and host range of C.geniculata,indicating that it poses potential damage to banana in China.
基金the International Highly Cited Research Group(IHCRRGP#14-205)Nalin N.Wijayawardene would like to thank P.M.Kirk,V.A.Mel’nik,Buddhika Dilhan,Dmitrii Shabunin,Manjari Dissanayake and Lesley Ragab for being helpful to gather old literature.Kevin D.Hyde is grateful to the Chinese Academy of Sciences,project number 2013T2S0030+6 种基金for the award of Visiting Professorship for Senior International Scientists at Kunming Institute of Botany,research grant from the Biodiversity Research and Training Program(BRT R253012)The Thailand Research Fund(BRG 5280002).Alan J.L.Phillips thanks Mae Fah Luang University for a Visiting Professorship during the tenure of which this paper was finalised.Yong Wang would like to thank The International Scientific Cooperated Project of Guizhou Province(No[2013]7004).Rungtiwa Phookamsak thanks the Royal Golden Jubilee Ph.D.Program(PHD/0090/2551).Erio Camporesi is grateful to Giancarlo Lombardi,Sergio Montanari and Gigi Stagioni for their help in identifying host plants of fresh collections.K.Tanaka would like to thank the Japan Society for the Promotion of Science(JSPS,25440199 and 26291084)Hirosaki University Grant for Exploratory Research by Young Scientists and Newly-appointed Scientists for financial support.Yong Wang thanks Yong-Cheng Long,Prof.De-Gang Zhao and Prof.Zhuo Chen for their help in sequencing and suggestions in molecular experiments.We would like to thank MFU grant No.56101020032 for funding to study the taxonomy and phylogeny of Dothideomycetes.The authors also wish to acknowledge Saranyaphat Boonmee,Chayanard Phukhamsakda and Qing Tian.Ishani D.Goonasekara wishes to acknowledge Liu Ende,Assistant Curator,Herbarium,Kunming Institute of Botany,Chinese Academy of Sciences(KUN),Kunming,China,Wu HaiXia and staff of International Fungal Research and Development Centre(IFRD),Key Laboratory of Resource Insect Cultivation&Utilization State Forestry Administration,The Research Institute of Resource Insects,Chinese Academy of Forestry Kunming 650224,PR China and Danushka S.Tennakoon for their assistance with herbarium material.
文摘t Coelomycetous fungi are an artificial taxonomic group which produce conidia inside a cavity i.e.conidiomata.Coelomycetes comprise about,1000 genera and 7000 species,which can be endophytic,pathogenic or saprobic.Traditional classification of coelomycetes was previously based on morphology,such as the shape of conidiomata and mode of conidiogenesis,while it was treated as a distinct group i.e.Deuteromycotina.Sequence based taxonomic studies has been used to accommodate asexual fungi in a natural classification system,resolve generic boundaries of polyphyletic genera and species complexes,as well as establish asexual-sexual links.Nevertheless,most of genera lack sequence data,thus,morphology based identification is still important when introducing new genera or species.In this paper we illustrate,describe,and provide taxonomic notes for 235 dematiaceous coelomycetous genera,including five new genera viz.Apiculospora,Didymellocamarosporium,Melanocamarosporium,Melnikia and Paulkirkia.Phylogenetic analyses of combined sequence data are provided to show placements of dematiaceous coelomycetes in Dothideomycetes,Leotiomycetes and Sordariomycetes.One-hundred and fifty-two(65%)of genera have sequence data,thus,their taxonomic placement in a natural classification system,is listed as an outline.However,83 genera still lack sequence data,hence,they are treated as Ascomycota,genera incertae sedis.In addition,separate analyses are provided where better taxonomic resolution is needed.
