BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)

Detalhes bibliográficos
Autor(a) principal: Bourscheidt, Maira Laís Both
Data de Publicação: 2023
Outros Autores: Carmo, Kellen Banhos do, Pedreira, Bruno Carneiro, Berber, Gilcele de Campos Martin, Ferreira, Anderson
Tipo de documento: Artigo
Idioma: por
Título da fonte: Nativa (Sinop)
Texto Completo: https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666
Resumo: The death syndrome of marandu grass (Brachiaria brizantha) is one of the main problems in the degradation of pastures in the Amazon biome. Plant death occurs during the rainy season due to susceptibility to phytopathogens. Thus, the objective was to study production systems and select bacteria antagonistic to Fusarium spp., one of the phytopathogenic agents. Bacterial isolates were obtained from 10 production systems, native forest and fallow, in rain and drought season. Molecular characterization of isolates was carried out by sequencing. Two Fusarium isolates were assessed. For pathogen 1, in the rainy season, 7.5% of the isolates showed antagonism, while in the dry season it was 15%. For pathogen 2, not all isolates positive for pathogen 1 were efficient in the control, showing correlations between bacterial isolates and Fusarium spp. In the rain, for pathogen 1, the forest showed the highest number of positive isolates (20%). In the dry season, the treatments forest, 1-Forest and 8-plant-forest integration for pathogen 1, were ones with the highest number of positives (25%). In the molecular identification, 8 bacterial genera were found: Burkholderia, Bacillus, Brevibacillus, Streptomyces, Pseudomonas, Escherichia, Paenibacillus and Pandoraea, most of which are described as able to controlling Fusarium spp. in vitro. Keywords: Burkholderia, biological control, Integrated crop-livestock-forest.
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spelling BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)BIODIVERSIDADE DE BACTÉRIAS ANTAGÔNICAS A FUNGOS ASSOCIADOS À SINDROME DA MORTE DO CAPIM-MARANDU (Brachiaria brizantha)Burkholderia, biological control, Integrated crop-livestock-forestBurkholderia controle biológicoIntegração lavoura pecuária florestaThe death syndrome of marandu grass (Brachiaria brizantha) is one of the main problems in the degradation of pastures in the Amazon biome. Plant death occurs during the rainy season due to susceptibility to phytopathogens. Thus, the objective was to study production systems and select bacteria antagonistic to Fusarium spp., one of the phytopathogenic agents. Bacterial isolates were obtained from 10 production systems, native forest and fallow, in rain and drought season. Molecular characterization of isolates was carried out by sequencing. Two Fusarium isolates were assessed. For pathogen 1, in the rainy season, 7.5% of the isolates showed antagonism, while in the dry season it was 15%. For pathogen 2, not all isolates positive for pathogen 1 were efficient in the control, showing correlations between bacterial isolates and Fusarium spp. In the rain, for pathogen 1, the forest showed the highest number of positive isolates (20%). In the dry season, the treatments forest, 1-Forest and 8-plant-forest integration for pathogen 1, were ones with the highest number of positives (25%). In the molecular identification, 8 bacterial genera were found: Burkholderia, Bacillus, Brevibacillus, Streptomyces, Pseudomonas, Escherichia, Paenibacillus and Pandoraea, most of which are described as able to controlling Fusarium spp. in vitro. Keywords: Burkholderia, biological control, Integrated crop-livestock-forest.A síndrome da morte do capim-marandu (Brachiaria brizantha) é um dos principais problemas na degradação das pastagens no bioma Amazônia. A morte das forrageiras ocorre durante a época chuvosa por suscetibilidade a fitopatógenos. Assim, objetivou-se estudar sistemas de produção e selecionar bactérias antagônicas a Fusarium spp., um dos agentes fitopatogênicos. Os isolados bacterianos foram obtidos de 10 sistemas de produção, mata nativa e pousio, na chuva e na seca. Realizou-se a caracterização molecular de isolados por sequenciamento. Dois isolados de Fusarium foram testados. Para o patógeno 1, na época da chuva, 7,5% dos isolados apresentaram antagonismo enquanto na seca foi 15%. Para o patógeno 2, nem todos os isolados positivos para o patógeno 1 foram eficientes no controle, demonstrando a ocorrência de interações entre isolados bacterianos e Fusarium spp. Na chuva, para o patógeno 1, a mata apresentou maior número de isolados positivos (20%). Na seca, os tratamentos mata, 1-Floresta e 8-integração lavoura floresta para o patógeno 1, foram os que apresentaram maior número de positivos (25%). Na identificação molecular, 8 foram os gêneros bacterianos encontrados: Burkholderia, Bacillus, Brevibacillus, Streptomyces, Pseudomonas, Escherichia, Paenibacillus e Pandoraea, em que a maioria é descrita como capaz de controlar Fusarium spp. in vitro. Palavras-chave: Burkholderia; controle biológico; integração lavoura-pecuária-floresta.   Biodiversity of bacteria antagonic to fungi associated with syndrome's death palisadegrass (Brachiaria brizantha)   ABSTRACT: The death syndrome of marandu grass (Brachiaria brizantha) is one of the main problems in the degradation of pastures in the Amazon biome. Plant death occurs during the rainy season due to susceptibility to phytopathogens. Thus, the objective was to study production systems and select bacteria antagonistic to Fusarium spp., one of the phytopathogenic agents. Bacterial isolates were obtained from 10 production systems, native forest and fallow, in rain and drought season. Molecular characterization of isolates was carried out by sequencing. Two Fusarium isolates were assessed. For pathogen 1, in the rainy season, 7.5% of the isolates showed antagonism, while in the dry season it was 15%. For pathogen 2, not all isolates positive for pathogen 1 were efficient in the control, showing correlations between bacterial isolates and Fusarium spp. In the rain, for pathogen 1, the forest showed the highest number of positive isolates (20%). In the dry season, the treatments forest, 1-Forest and 8-plant-forest integration for pathogen 1, were ones with the highest number of positives (25%). In the molecular identification, 8 bacterial genera were found: Burkholderia, Bacillus, Brevibacillus, Streptomyces, Pseudomonas, Escherichia, Paenibacillus and Pandoraea, most of which are described as able to controlling Fusarium spp. in vitro. Keywords: Burkholderia; biological control; integrated crop-livestock-forest.Universidade Federal de Mato Grosso2023-10-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdftext/htmlhttps://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/1266610.31413/nativa.v9i5.12666Nativa; v. 9 n. 5 (2021); 454-459Nativa; Vol. 9 Núm. 5 (2021); 454-459Nativa; Vol. 9 No. 5 (2021); 454-4592318-7670reponame:Nativa (Sinop)instname:Universidade Federal de Mato Grosso (UFMT)instacron:UFMTporhttps://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666/12831https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666/12832Copyright (c) 2021 Nativahttps://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessBourscheidt, Maira Laís Both Carmo, Kellen Banhos do Pedreira, Bruno Carneiro Berber, Gilcele de Campos Martin Ferreira, Anderson2021-12-18T15:59:48Zoai:periodicoscientificos.ufmt.br:article/12666Revistahttps://periodicoscientificos.ufmt.br/ojs/index.php/nativaPUBhttps://periodicoscientificos.ufmt.br/ojs/index.php/nativa/oai||rrmelo2@yahoo.com.br2318-76702318-7670opendoar:2021-12-18T15:59:48Nativa (Sinop) - Universidade Federal de Mato Grosso (UFMT)false
dc.title.none.fl_str_mv BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
BIODIVERSIDADE DE BACTÉRIAS ANTAGÔNICAS A FUNGOS ASSOCIADOS À SINDROME DA MORTE DO CAPIM-MARANDU (Brachiaria brizantha)
title BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
spellingShingle BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
Bourscheidt, Maira Laís Both
Burkholderia, biological control, Integrated crop-livestock-forest
Burkholderia
controle biológico
Integração lavoura pecuária floresta
title_short BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
title_full BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
title_fullStr BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
title_full_unstemmed BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
title_sort BIODIVERSITY OF BACTERIA ANTAGONIC TO FUNGI ASSOCIATED WITH SYNDROME'S DEATH PALISADEGRASS (Brachiaria brizantha)
author Bourscheidt, Maira Laís Both
author_facet Bourscheidt, Maira Laís Both
Carmo, Kellen Banhos do
Pedreira, Bruno Carneiro
Berber, Gilcele de Campos Martin
Ferreira, Anderson
author_role author
author2 Carmo, Kellen Banhos do
Pedreira, Bruno Carneiro
Berber, Gilcele de Campos Martin
Ferreira, Anderson
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Bourscheidt, Maira Laís Both
Carmo, Kellen Banhos do
Pedreira, Bruno Carneiro
Berber, Gilcele de Campos Martin
Ferreira, Anderson
dc.subject.por.fl_str_mv Burkholderia, biological control, Integrated crop-livestock-forest
Burkholderia
controle biológico
Integração lavoura pecuária floresta
topic Burkholderia, biological control, Integrated crop-livestock-forest
Burkholderia
controle biológico
Integração lavoura pecuária floresta
description The death syndrome of marandu grass (Brachiaria brizantha) is one of the main problems in the degradation of pastures in the Amazon biome. Plant death occurs during the rainy season due to susceptibility to phytopathogens. Thus, the objective was to study production systems and select bacteria antagonistic to Fusarium spp., one of the phytopathogenic agents. Bacterial isolates were obtained from 10 production systems, native forest and fallow, in rain and drought season. Molecular characterization of isolates was carried out by sequencing. Two Fusarium isolates were assessed. For pathogen 1, in the rainy season, 7.5% of the isolates showed antagonism, while in the dry season it was 15%. For pathogen 2, not all isolates positive for pathogen 1 were efficient in the control, showing correlations between bacterial isolates and Fusarium spp. In the rain, for pathogen 1, the forest showed the highest number of positive isolates (20%). In the dry season, the treatments forest, 1-Forest and 8-plant-forest integration for pathogen 1, were ones with the highest number of positives (25%). In the molecular identification, 8 bacterial genera were found: Burkholderia, Bacillus, Brevibacillus, Streptomyces, Pseudomonas, Escherichia, Paenibacillus and Pandoraea, most of which are described as able to controlling Fusarium spp. in vitro. Keywords: Burkholderia, biological control, Integrated crop-livestock-forest.
publishDate 2023
dc.date.none.fl_str_mv 2023-10-05
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666
10.31413/nativa.v9i5.12666
url https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666
identifier_str_mv 10.31413/nativa.v9i5.12666
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666/12831
https://periodicoscientificos.ufmt.br/ojs/index.php/nativa/article/view/12666/12832
dc.rights.driver.fl_str_mv Copyright (c) 2021 Nativa
https://creativecommons.org/licenses/by-nc/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2021 Nativa
https://creativecommons.org/licenses/by-nc/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
text/html
dc.publisher.none.fl_str_mv Universidade Federal de Mato Grosso
publisher.none.fl_str_mv Universidade Federal de Mato Grosso
dc.source.none.fl_str_mv Nativa; v. 9 n. 5 (2021); 454-459
Nativa; Vol. 9 Núm. 5 (2021); 454-459
Nativa; Vol. 9 No. 5 (2021); 454-459
2318-7670
reponame:Nativa (Sinop)
instname:Universidade Federal de Mato Grosso (UFMT)
instacron:UFMT
instname_str Universidade Federal de Mato Grosso (UFMT)
instacron_str UFMT
institution UFMT
reponame_str Nativa (Sinop)
collection Nativa (Sinop)
repository.name.fl_str_mv Nativa (Sinop) - Universidade Federal de Mato Grosso (UFMT)
repository.mail.fl_str_mv ||rrmelo2@yahoo.com.br
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