Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas

Bibliographic Details
Main Author: Barroso, Gabriela Madureira
Publication Date: 2019
Format: Master thesis
Language: por
Source: Repositório Institucional da UFVJM
Download full: http://acervo.ufvjm.edu.br/jspui/handle/1/2314
Summary: ?rea de concentra??o: Recursos Florestais.
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spelling Barroso, Gabriela MadureiraSantos, Jos? Barbosa dosAssis J?nior, Sebasti?o Louren?o deOliveira, Ivani Teixeira deUniversidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)Santos, Jos? Barbosa dos2020-10-22T17:58:27Z2020-10-22T17:58:27Z20192019-08-02BARROSO, Gabriela Madureira. Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas. 2019. 44 p. Disserta??o (Mestrado em Ci?ncia Florestal) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.http://acervo.ufvjm.edu.br/jspui/handle/1/2314?rea de concentra??o: Recursos Florestais.Os herbicidas s?o produtos eficazes e economicamente vi?veis para o controle de plantas daninhas em culturas agron?micas, sistemas agroflorestais e na recupera??o de ?reas degradadas. Res?duos desses agrot?xicos podem contaminar ?reas n?o alvos, sendo necess?ria a descontamina??o, que pode ser feita por esp?cies arb?reas e seu microbioma associado. O objetivo desta pesquisa foi avaliar o efeito de herbicidas sobre bact?rias fixadoras de nitrog?nio e fungos micorr?zicos, simbiontes de esp?cies arb?reas. Os experimentos foram realizados em laborat?rio e casa de vegeta??o. No primeiro estudo foram avaliados os efeitos dos herbicidas 2,4-D, oxyfluorfen, sulfentrazone, clomazone, glyphosate, glufosinato de am?nio, atrazine, ametrin e diuron sobre Bradyrhizobium sp. e o potencial de degrada??o dos herbicidas pela bact?ria, in vitro. No segundo estudo foi avaliada a atividade de fungos micorr?zicos da rizosfera de Inga edulis, Myrsine gardneriana, Schizolobium parahyba, Toona ciliata, Trichilia hirta e Triplaris americana submetidas aos tratamentos com atrazine e sulfentrazone. O efeito de doses comerciais dos herbicidas testados na bact?ria Bradyrhizobium sp. variou entre os mesmos. O glyphosate, sulfentrazone e diuron foram os mais t?xicos e diminu?ram o crescimento das bact?rias. Os herbicidas sulfentrazone, glyphosate e diuron diminu?ram a densidade celular m?xima e o tempo de m?ximo crescimento celular. Bradyrhizobium sp. degradou os herbicidas 2,4-D, atrazine, sulfentrazone e diuron e os utilizou como fonte de carbono para seu crescimento. Algumas atividades dos fungos micorr?zicos arbasculares das ?rvores submetidas aos herbicidas atrazine e sulfentrazone foram comprometidas. As esp?cies M. gardneriana, S. parahyba e T. ciliata foram as que tiveram comportamento semelhante ?s esp?cies no tratamento sem herbicida a partir do escalonamento multidimensional n?o-m?trico feito com as vari?veis analisadas.Submitted by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2020-10-22T17:58:07Z No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) gabriela_madureira_barroso.pdf: 648519 bytes, checksum: 098d139fdb8344760b377705c76f889d (MD5)Approved for entry into archive by Jos? Henrique Henrique (jose.neves@ufvjm.edu.br) on 2020-10-22T17:58:27Z (GMT) No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) gabriela_madureira_barroso.pdf: 648519 bytes, checksum: 098d139fdb8344760b377705c76f889d (MD5)Made available in DSpace on 2020-10-22T17:58:27Z (GMT). No. of bitstreams: 2 license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) gabriela_madureira_barroso.pdf: 648519 bytes, checksum: 098d139fdb8344760b377705c76f889d (MD5) Previous issue date: 2019Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico (CNPq)Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior (CAPES)Funda??o de Amparo ? Pesquisa do Estado de Minas Gerais (FAPEMIG)Disserta??o (Mestrado) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2019.Herbicides are effective and economically viable products for the control of weeds in agronomic crops, agroforestry systems and in the recovery of degraded areas. Residues of these pesticides can contaminate non-target areas, requiring decontamination, which can be done by tree species and its associated microbiome. The objective of this research was to evaluate the effect of herbicides on nitrogen - fixing bacteria and mycorrhizal fungi, symbionts of arboreal species. The experiments were carried out in laboratory and greenhouse. In the first study the effects of the herbicides 2,4-D, oxyfluorfen, sulfentrazone, clomazone, glyphosate, glufosinate ammonium, atrazine, ametrin and diuron on Bradyrhizobium sp. and the potential degradation of the herbicides by the bacterium, in vitro. In the second study the activity of mycorrhizal fungi of Inga edulis, Myrsine gardneriana, Schizolobium parahyba, Toona ciliata, Trichilia hirta and Triplaris americana submitted to treatments with atrazine and sulfentrazone were evaluated. The effect of commercial doses of the tested herbicides on Bradyrhizobium sp. varied between them. Glyphosate, sulfentrazone and diuron were the most toxic and decreased the growth of bacteria. The herbicides sulfentrazone, glyphosate and diuron decreased the maximum cell density and time of maximum cell growth. Bradyrhizobium sp. degraded the herbicides 2,4-D, atrazine, sulfentrazone and diuron and used them as a source of carbon for their growth. Some activities of the arboric mycorrhizal fungi of the trees submitted to the herbicides atrazine and sulfentrazone were compromised. The species M. gardneriana, S. parahyba and T. ciliata were those that had similar behavior to the species in the treatment without herbicide from the non-metric multidimensional scaling done with the analyzed variables.porUFVJMA concess?o da licen?a deste item refere-se ao ? termo de autoriza??o impresso assinado pelo autor, assim como na licen?a Creative Commons, com as seguintes condi??es: Na qualidade de titular dos direitos de autor da publica??o, autorizo a Universidade Federal dos Vales do Jequitinhonha e Mucuri e o IBICT a disponibilizar por meio de seus reposit?rios, sem ressarcimento dos direitos autorais, de acordo com a Lei n? 9610/98, o texto integral da obra disponibilizada, conforme permiss?es assinaladas, para fins de leitura, impress?o e/ou download, a t?tulo de divulga??o da produ??o cient?fica brasileira, e preserva??o, a partir desta data.info:eu-repo/semantics/openAccessEfeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reasEffect of herbicides on symbiotic microorganisms of tree speciesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisAgrot?xicosFitorremedia??oEsp?cies arb?reasMicrobiomaAgrochemicalsPhytoremediationTree speciesMicrobiomereponame:Repositório Institucional da UFVJMinstname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)instacron:UFVJMTEXTgabriela_madureira_barroso.pdf.txtgabriela_madureira_barroso.pdf.txtExtracted texttext/plain103813http://acervo.ufvjm.edu.br/jspui/bitstream/1/2314/6/gabriela_madureira_barroso.pdf.txtcabcde84559e3035a601b9efc0cc7d01MD56LICENSElicense.txtlicense.txttext/plain; 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dc.title.pt_BR.fl_str_mv Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
dc.title.alternative.en.fl_str_mv Effect of herbicides on symbiotic microorganisms of tree species
title Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
spellingShingle Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
Barroso, Gabriela Madureira
Agrot?xicos
Fitorremedia??o
Esp?cies arb?reas
Microbioma
Agrochemicals
Phytoremediation
Tree species
Microbiome
title_short Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
title_full Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
title_fullStr Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
title_full_unstemmed Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
title_sort Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas
author Barroso, Gabriela Madureira
author_facet Barroso, Gabriela Madureira
author_role author
dc.contributor.referee.none.fl_str_mv Santos, Jos? Barbosa dos
Assis J?nior, Sebasti?o Louren?o de
Oliveira, Ivani Teixeira de
dc.contributor.institution.pt_BR.fl_str_mv Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
dc.contributor.author.fl_str_mv Barroso, Gabriela Madureira
dc.contributor.advisor1.fl_str_mv Santos, Jos? Barbosa dos
contributor_str_mv Santos, Jos? Barbosa dos
dc.subject.keyword.pt_BR.fl_str_mv Agrot?xicos
Fitorremedia??o
Esp?cies arb?reas
Microbioma
topic Agrot?xicos
Fitorremedia??o
Esp?cies arb?reas
Microbioma
Agrochemicals
Phytoremediation
Tree species
Microbiome
dc.subject.keyword.en.fl_str_mv Agrochemicals
Phytoremediation
Tree species
Microbiome
description ?rea de concentra??o: Recursos Florestais.
publishDate 2019
dc.date.submitted.none.fl_str_mv 2019-08-02
dc.date.issued.fl_str_mv 2019
dc.date.accessioned.fl_str_mv 2020-10-22T17:58:27Z
dc.date.available.fl_str_mv 2020-10-22T17:58:27Z
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.citation.fl_str_mv BARROSO, Gabriela Madureira. Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas. 2019. 44 p. Disserta??o (Mestrado em Ci?ncia Florestal) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.
dc.identifier.uri.fl_str_mv http://acervo.ufvjm.edu.br/jspui/handle/1/2314
identifier_str_mv BARROSO, Gabriela Madureira. Efeito de herbicidas sobre microrganismos simbiontes de esp?cies arb?reas. 2019. 44 p. Disserta??o (Mestrado em Ci?ncia Florestal) ? Programa de P?s-Gradua??o em Ci?ncia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, 2019.
url http://acervo.ufvjm.edu.br/jspui/handle/1/2314
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv UFVJM
publisher.none.fl_str_mv UFVJM
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFVJM
instname:Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron:UFVJM
instname_str Universidade Federal dos Vales do Jequitinhonha e Mucuri (UFVJM)
instacron_str UFVJM
institution UFVJM
reponame_str Repositório Institucional da UFVJM
collection Repositório Institucional da UFVJM
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