Adaptability and pathogenicity of monosporascus species in cucurbits

Detalhes bibliográficos
Autor(a) principal: Cavalcante, Allinny Luzia Alves
Data de Publicação: 2021
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU)
Texto Completo: https://repositorio.ufersa.edu.br/handle/prefix/6678
Resumo: In this study, five new recently described Monosporascus species, M. brasiliensis, M. caatinguensis, M. mossoroensis, M. nordestinus and M. semiaridus, which were found on weeds collected from cucurbits cultivation fields in northeastern Brazil, were characterized regarding in vitro mycelial growth at different pH levels and salinity (NaCl) concentrations, their pathogenicity to selected species of melon, watermelon, cucumber and pumpkin, and their in vitro sensitivity to the fungicides boscalid, carbendazim, cyprodinil, fluazinam, and fludioxonil. The results revealed great variability among the representative isolates of each Monosporascus species. All of them showed a wide range of tolerance to different pH levels, with the OpH of the species ranging from 5.72 to 8.05. NaCl concentrations significantly reduced in vitro mycelial growth, with EC50 above 900 mM for all species, although no concentration was able to inhibit them completely. In pathogenicity tests, all the cucurbits evaluated, were susceptible to the five Monosporascus species in a greenhouse experiment using artificial inoculation of roots. Moreover, all Monosporascus species were highly susceptible to the fungicides fludioxonil and fluazinam, exhibiting EC50 values below 1 mg/L a.i. Our results provide relevant information about the response of these new Monosporascus species to environmental factors, plant genotypes and fungicides
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spelling Adaptability and pathogenicity of monosporascus species in cucurbitsCrescimento micelialFungicidasFungos radicularesPatogenicidadepHSalinidadeVirulênciaFungicidesMycelial growthPathogenicitypHSalinitySoilborne fungiVirulenceCNPQ::CIENCIAS AGRARIAS::AGRONOMIAIn this study, five new recently described Monosporascus species, M. brasiliensis, M. caatinguensis, M. mossoroensis, M. nordestinus and M. semiaridus, which were found on weeds collected from cucurbits cultivation fields in northeastern Brazil, were characterized regarding in vitro mycelial growth at different pH levels and salinity (NaCl) concentrations, their pathogenicity to selected species of melon, watermelon, cucumber and pumpkin, and their in vitro sensitivity to the fungicides boscalid, carbendazim, cyprodinil, fluazinam, and fludioxonil. The results revealed great variability among the representative isolates of each Monosporascus species. All of them showed a wide range of tolerance to different pH levels, with the OpH of the species ranging from 5.72 to 8.05. NaCl concentrations significantly reduced in vitro mycelial growth, with EC50 above 900 mM for all species, although no concentration was able to inhibit them completely. In pathogenicity tests, all the cucurbits evaluated, were susceptible to the five Monosporascus species in a greenhouse experiment using artificial inoculation of roots. Moreover, all Monosporascus species were highly susceptible to the fungicides fludioxonil and fluazinam, exhibiting EC50 values below 1 mg/L a.i. Our results provide relevant information about the response of these new Monosporascus species to environmental factors, plant genotypes and fungicidesNeste estudo, cinco novas espécies recentemente descritas de Monosporascus, M. brasiliensis, M. caatinguensis, M. mossoroensis, M. nordestinus e M. semiaridus, que foram encontradas em plantas daninhas coletadas em campos de cultivo de cucurbitáceas no Nordeste do Brasil foram caracterizadas em relação ao crescimento micelial in vitro em diferentes níveis de pH e concentrações de salinidade (NaCl), sua patogenicidade em espécies selecionadas de meloeiro, melancieira, pepineiro e aboboreira, e sua sensibilidade in vitro aos fungicidas boscalida, carbendazim, cyprodinil, fluazinam e fludioxonil. Os resultados revelaram uma grande variabilidade entre os isolados representativos de cada espécie de Monosporascus. Todos eles mostraram uma ampla faixa de tolerância aos diferentes níveis de pH, com o OpH das espécies variando entre 5,72 e 8,05. As concentrações de NaCl reduziram significativamente o crescimento micelial in vitro, com EC50 acima de 900 mM para todas as espécies, embora nenhuma concentração tenha sido capaz de inibi-las completamente. Nos testes de patogenicidade, todas as cucurbitáceas avaliadas, foram suscetíveis às cinco espécies de Monosporascus em experimento em casa de vegetação, usando inoculação artificial de raízes. Além disso, todas as espécies de Monosporascus foram altamente suscetíveis aos fungicidas fludioxonil e fluazinam, exibindo valores de EC50 abaixo de 1 mg/L i.a. Nossos resultados fornecem informações relevantes sobre a resposta dessas novas espécies de Monosporascus a fatores ambientais, genótipos de plantas e fungicidasCoordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESUniversidade Federal Rural do Semi-ÁridoBrasilCentro de Ciências Agrárias - CCAUFERSAPrograma de Pós-Graduação em FitotecniaNegreiros, Andréia Mitsa Paiva08897954448http://lattes.cnpq.br/3271764526148277Sales Júnior, Rui87634325449http://lattes.cnpq.br/8366676949063957Sales Júnior, Rui87634325449http://lattes.cnpq.br/8366676949063957Ambrósio, Márcia Michelle de Queiroz96726539487http://lattes.cnpq.br/5986626995999424Medeiros, Erika Valente de03996292465http://lattes.cnpq.br/0063883229793699Negreiros, Andréia Mitsa Paiva08897954448http://lattes.cnpq.br/3271764526148277Cavalcante, Allinny Luzia Alves2021-11-26T23:05:46Z2021-11-242021-11-26T23:05:46Z2021-03-08info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisapplication/pdfCavalcante (2021) (CAVALCANTE, 2021)https://repositorio.ufersa.edu.br/handle/prefix/6678porCAVALCANTE, Allinny Luzia Alves. Adaptability and pathogenicity of monosporascus species in cucurbits. 2021. 50 f. Dissertação (Mestrado em Fitotecnia), Universidade Federal Rural do Semi-Árido, Mossoró, 2021.CC-BY-SAhttps://creativecommons.org/licenses/by-sa/4.0/deed.pt_BRinfo:eu-repo/semantics/openAccessreponame:Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU)instname:Universidade Federal Rural do Semi-Árido (UFERSA)instacron:UFERSA2023-10-30T20:28:08Zoai:repositorio.ufersa.edu.br:prefix/6678Repositório Institucionalhttps://repositorio.ufersa.edu.br/PUBhttps://repositorio.ufersa.edu.br/server/oai/requestrepositorio@ufersa.edu.br || admrepositorio@ufersa.edu.bropendoar:2023-10-30T20:28:08Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU) - Universidade Federal Rural do Semi-Árido (UFERSA)false
dc.title.none.fl_str_mv Adaptability and pathogenicity of monosporascus species in cucurbits
title Adaptability and pathogenicity of monosporascus species in cucurbits
spellingShingle Adaptability and pathogenicity of monosporascus species in cucurbits
Cavalcante, Allinny Luzia Alves
Crescimento micelial
Fungicidas
Fungos radiculares
Patogenicidade
pH
Salinidade
Virulência
Fungicides
Mycelial growth
Pathogenicity
pH
Salinity
Soilborne fungi
Virulence
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA
title_short Adaptability and pathogenicity of monosporascus species in cucurbits
title_full Adaptability and pathogenicity of monosporascus species in cucurbits
title_fullStr Adaptability and pathogenicity of monosporascus species in cucurbits
title_full_unstemmed Adaptability and pathogenicity of monosporascus species in cucurbits
title_sort Adaptability and pathogenicity of monosporascus species in cucurbits
author Cavalcante, Allinny Luzia Alves
author_facet Cavalcante, Allinny Luzia Alves
author_role author
dc.contributor.none.fl_str_mv Negreiros, Andréia Mitsa Paiva
08897954448
http://lattes.cnpq.br/3271764526148277
Sales Júnior, Rui
87634325449
http://lattes.cnpq.br/8366676949063957
Sales Júnior, Rui
87634325449
http://lattes.cnpq.br/8366676949063957
Ambrósio, Márcia Michelle de Queiroz
96726539487
http://lattes.cnpq.br/5986626995999424
Medeiros, Erika Valente de
03996292465
http://lattes.cnpq.br/0063883229793699
Negreiros, Andréia Mitsa Paiva
08897954448
http://lattes.cnpq.br/3271764526148277
dc.contributor.author.fl_str_mv Cavalcante, Allinny Luzia Alves
dc.subject.por.fl_str_mv Crescimento micelial
Fungicidas
Fungos radiculares
Patogenicidade
pH
Salinidade
Virulência
Fungicides
Mycelial growth
Pathogenicity
pH
Salinity
Soilborne fungi
Virulence
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA
topic Crescimento micelial
Fungicidas
Fungos radiculares
Patogenicidade
pH
Salinidade
Virulência
Fungicides
Mycelial growth
Pathogenicity
pH
Salinity
Soilborne fungi
Virulence
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA
description In this study, five new recently described Monosporascus species, M. brasiliensis, M. caatinguensis, M. mossoroensis, M. nordestinus and M. semiaridus, which were found on weeds collected from cucurbits cultivation fields in northeastern Brazil, were characterized regarding in vitro mycelial growth at different pH levels and salinity (NaCl) concentrations, their pathogenicity to selected species of melon, watermelon, cucumber and pumpkin, and their in vitro sensitivity to the fungicides boscalid, carbendazim, cyprodinil, fluazinam, and fludioxonil. The results revealed great variability among the representative isolates of each Monosporascus species. All of them showed a wide range of tolerance to different pH levels, with the OpH of the species ranging from 5.72 to 8.05. NaCl concentrations significantly reduced in vitro mycelial growth, with EC50 above 900 mM for all species, although no concentration was able to inhibit them completely. In pathogenicity tests, all the cucurbits evaluated, were susceptible to the five Monosporascus species in a greenhouse experiment using artificial inoculation of roots. Moreover, all Monosporascus species were highly susceptible to the fungicides fludioxonil and fluazinam, exhibiting EC50 values below 1 mg/L a.i. Our results provide relevant information about the response of these new Monosporascus species to environmental factors, plant genotypes and fungicides
publishDate 2021
dc.date.none.fl_str_mv 2021-11-26T23:05:46Z
2021-11-24
2021-11-26T23:05:46Z
2021-03-08
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/masterThesis
format masterThesis
status_str publishedVersion
dc.identifier.uri.fl_str_mv Cavalcante (2021) (CAVALCANTE, 2021)
https://repositorio.ufersa.edu.br/handle/prefix/6678
identifier_str_mv Cavalcante (2021) (CAVALCANTE, 2021)
url https://repositorio.ufersa.edu.br/handle/prefix/6678
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv CAVALCANTE, Allinny Luzia Alves. Adaptability and pathogenicity of monosporascus species in cucurbits. 2021. 50 f. Dissertação (Mestrado em Fitotecnia), Universidade Federal Rural do Semi-Árido, Mossoró, 2021.
dc.rights.driver.fl_str_mv CC-BY-SA
https://creativecommons.org/licenses/by-sa/4.0/deed.pt_BR
info:eu-repo/semantics/openAccess
rights_invalid_str_mv CC-BY-SA
https://creativecommons.org/licenses/by-sa/4.0/deed.pt_BR
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal Rural do Semi-Árido
Brasil
Centro de Ciências Agrárias - CCA
UFERSA
Programa de Pós-Graduação em Fitotecnia
publisher.none.fl_str_mv Universidade Federal Rural do Semi-Árido
Brasil
Centro de Ciências Agrárias - CCA
UFERSA
Programa de Pós-Graduação em Fitotecnia
dc.source.none.fl_str_mv reponame:Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU)
instname:Universidade Federal Rural do Semi-Árido (UFERSA)
instacron:UFERSA
instname_str Universidade Federal Rural do Semi-Árido (UFERSA)
instacron_str UFERSA
institution UFERSA
reponame_str Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU)
collection Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU)
repository.name.fl_str_mv Repositório Digital da Universidade Federal Rural do Semi-Árido (RDU) - Universidade Federal Rural do Semi-Árido (UFERSA)
repository.mail.fl_str_mv repositorio@ufersa.edu.br || admrepositorio@ufersa.edu.br
_version_ 1809747474350342144

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