Bactérias promotoras de cresimento para soja em terras baixas
Ano de defesa: | 2022 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | , |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal de Santa Maria
Centro de Ciências Rurais |
Programa de Pós-Graduação: |
Programa de Pós-Graduação em Agronomia
|
Departamento: |
Agronomia
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | http://repositorio.ufsm.br/handle/1/26129 |
Resumo: | The world population is rising exponentially, which in turn raises the demand for food proportionately. However, sustainable food production must be scaled up, and the reduction of non-renewable fertilizers needs to be rethought. As an option, bacteria capable of promoting growth and biosolubilizing nutrients that already exist in the soil can be used. The aim of this research is to evaluate the use of phosphate biosolubilizing bacteria in lowland soybean crop. The experiment was carried out in a randomized block design with four replications. The treatments distributed in a bifactorial, in which the first factor represents the co-oculation of Bradyrhizobium spp with the following bacteria: (i) Azospirillum spp; (ii) Pseudomonas fluorescens; (iii) Bacillus subtilis; (iv) Bacillus subtilis + Bacillus megaterium; (v) Azospirillum spp + Pseudomonas fluorescens; (vi) Azospirillum spp + Bacillus subtilis; (vii) Azospirillum spp + Bacillus subtilis + Bacillus megaterium; (viii) Azospirillum spp + Pseudomonas fluorescens + Bacillus subtilis + Bacillus subtilis + Bacillus megaterium, and (ix) Witness without the use of bacteria in inoculation. The second factor was tested as phosphate fertilizer doses (0, 50, 100, 150 kg of P2O5 ha-1). The number of plant-1 nodules, plant-1 nodule mass, thousand-grain mass, yield, tissue analysis and bacterial solubilization capacity in the laboratory were measured. The present study highlights the specificity of bacterial genera in promoting associations with the plant and producing different responses of agronomic interest. The bacterium Pseudomonas fluorescens increased the phosphorus content in the plant tissue of soybean by 232% when compared to the control, which can be indicated for an increase in organic phosphorus in the soil through the crop residues left in the soil during a mechanized harvest. The higher soybean yield for the field experiment due to the use of co-oculation of the bacteria Bradhiryzobium, Bacillus megaterium and Bacillus subtillis with the use of 150 kg ha-1 of P2O5, providing biosolubilization of the phosphorus contained in the soil, or even the phosphorus made via fertilizer in sowing soybeans. As bacteria when tested in the laboratory, formation of a solubilization halo in a liquid medium, where a Bacillus bacterium is subtilized as a phosphorus biosolubilizing medium, and as Bacillus subtilis, Bacillus megaterium and Pseudomonas fluorescens, a class with low biosolubilization potential. |
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2022-09-12T14:27:13Z2022-09-12T14:27:13Z2022-02-04http://repositorio.ufsm.br/handle/1/26129The world population is rising exponentially, which in turn raises the demand for food proportionately. However, sustainable food production must be scaled up, and the reduction of non-renewable fertilizers needs to be rethought. As an option, bacteria capable of promoting growth and biosolubilizing nutrients that already exist in the soil can be used. The aim of this research is to evaluate the use of phosphate biosolubilizing bacteria in lowland soybean crop. The experiment was carried out in a randomized block design with four replications. The treatments distributed in a bifactorial, in which the first factor represents the co-oculation of Bradyrhizobium spp with the following bacteria: (i) Azospirillum spp; (ii) Pseudomonas fluorescens; (iii) Bacillus subtilis; (iv) Bacillus subtilis + Bacillus megaterium; (v) Azospirillum spp + Pseudomonas fluorescens; (vi) Azospirillum spp + Bacillus subtilis; (vii) Azospirillum spp + Bacillus subtilis + Bacillus megaterium; (viii) Azospirillum spp + Pseudomonas fluorescens + Bacillus subtilis + Bacillus subtilis + Bacillus megaterium, and (ix) Witness without the use of bacteria in inoculation. The second factor was tested as phosphate fertilizer doses (0, 50, 100, 150 kg of P2O5 ha-1). The number of plant-1 nodules, plant-1 nodule mass, thousand-grain mass, yield, tissue analysis and bacterial solubilization capacity in the laboratory were measured. The present study highlights the specificity of bacterial genera in promoting associations with the plant and producing different responses of agronomic interest. The bacterium Pseudomonas fluorescens increased the phosphorus content in the plant tissue of soybean by 232% when compared to the control, which can be indicated for an increase in organic phosphorus in the soil through the crop residues left in the soil during a mechanized harvest. The higher soybean yield for the field experiment due to the use of co-oculation of the bacteria Bradhiryzobium, Bacillus megaterium and Bacillus subtillis with the use of 150 kg ha-1 of P2O5, providing biosolubilization of the phosphorus contained in the soil, or even the phosphorus made via fertilizer in sowing soybeans. As bacteria when tested in the laboratory, formation of a solubilization halo in a liquid medium, where a Bacillus bacterium is subtilized as a phosphorus biosolubilizing medium, and as Bacillus subtilis, Bacillus megaterium and Pseudomonas fluorescens, a class with low biosolubilization potential.A população mundial está aumentando exponencialmente, o que por sua vez eleva a demanda por alimentos proporcionalmente. Contudo, a produção de alimentos de forma sustentável deve ser ampliada, e a redução dos fertilizantes não renováveis precisa ser repensada. Como opção pode-se utilizar bactérias capazes de promover o crescimento das plantas e biosolubilizar os nutrientes já existentes no solo. Objetiva-se com a presente pesquisa avaliar a utilização de bactérias biosolubilizadoras de fosfato na cultura da soja em terras baixas. O experimento foi realizado com delineamento blocos ao acaso com quatro repetições. Os tratamentos distribuídos em um bifatorial, em que no primeiro fator representa a coinoculação de Bradyrhizobium spp com as seguintes bactérias: (i) Azospirillum spp; (ii) Pseudomonas fluorescens; (iii) Bacillus subtilis; (iv) Bacillus subtilis + Bacillus megaterium; (v) Azospirillum spp + Pseudomonas fluorescens; (vi) Azospirillum spp + Bacillus subtilis; (vii) Azospirillum spp + Bacillus subtilis + Bacillus megaterium; (viii) Azospirillum spp + Pseudomonas fluorescens + Bacillus subtilis + Bacillus subtilis + Bacillus megaterium, e (ix) Testemunha sem a utilização de bactérias em inoculação. No segundo fator foram testadas as doses de adubo fosfatado (0, 50, 100, 150 kg de P2O5 ha-1). Foram avaliados o número de nódulos planta-1, massa de nódulos planta-1, massa de mil grãos, produtividade, análise de tecido e capacidade de solubilização das bactérias em laboratório. O presente estudo evidencia a especificidade dos gêneros de bactérias em promover associações com a planta e produzir diferentes respostas de interesse agronômico. A bactéria Pseudomonas fluorescens aumentou o teor de fósforo no tecido vegetal da soja em 232% quando comparada à testemunha, podendo ser indicadas para aumento de fósforo orgânico no solo através dos restos culturais deixados ao solo durante a colheita mecanizada. A maior produtividade da soja para o experimento de campo foi decorrente da utilização da coinoculação das bactérias Bradhiryzobium, Bacillus megaterium e Bacillus subtillis com utilização de 150 kg ha-1 de P2O5, indicando biosolubilização do fósforo contido no solo, ou mesmo, do fósforo empregado via fertilizante na semeadura da soja. As bactérias quando testadas em laboratório, apresentaram formação de halo de solubilização em meio liquido, onde a bactérias Bacillus subtillis foi classificada como média biosolubilizadora de fósforo, e as bactérias Bacillus subtillis, Bacillus megaterium e Pseudomonas fluorescens, classificadas com baixo potencial de biosolubilização.porUniversidade Federal de Santa MariaCentro de Ciências RuraisPrograma de Pós-Graduação em AgronomiaUFSMBrasilAgronomiaAttribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/info:eu-repo/semantics/openAccessSolubilizaçãoBacillus subtillisBacillus megateriumPseudomonas fluorescensFosfatoFósforoSolubilizationBiosolubilizationMegateriumPhosphatePhosphorCNPQ::CIENCIAS AGRARIAS::AGRONOMIABactérias promotoras de cresimento para soja em terras baixasGrowth promoting bacteria for soybean in the lowlandinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisMartin, Thomas Newtonhttp://lattes.cnpq.br/6293291442552572Marchesan, ÊnioSanes, Fernanda San MartinsBrum, Marcos da Silvahttp://lattes.cnpq.br/8034702878660944Silva, Isledi William da5001000000096006006006006006009e1c6638-c7fe-4365-a605-30d9ac89ada6b75180ba-49b0-417c-874b-0924af36beea58b06aff-aa22-4aef-a684-ba7021c5a9b14efc9b8e-253a-46f0-9929-f2a8fd636b4a0b35038f-73fc-49a4-a2ff-3e6f8cac7c15reponame:Biblioteca Digital de Teses e Dissertações do UFSMinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSMORIGINALDIS_PPGAGRONOMIA_2022_BORGMANN_ISLEDI.pdfDIS_PPGAGRONOMIA_2022_BORGMANN_ISLEDI.pdfDissertação de mestradoapplication/pdf1574422http://repositorio.ufsm.br/bitstream/1/26129/1/DIS_PPGAGRONOMIA_2022_BORGMANN_ISLEDI.pdf77ec4231a4ea00e64185e50764681c2fMD51CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; 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dc.title.por.fl_str_mv |
Bactérias promotoras de cresimento para soja em terras baixas |
dc.title.alternative.eng.fl_str_mv |
Growth promoting bacteria for soybean in the lowland |
title |
Bactérias promotoras de cresimento para soja em terras baixas |
spellingShingle |
Bactérias promotoras de cresimento para soja em terras baixas Silva, Isledi William da Solubilização Bacillus subtillis Bacillus megaterium Pseudomonas fluorescens Fosfato Fósforo Solubilization Biosolubilization Megaterium Phosphate Phosphor CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Bactérias promotoras de cresimento para soja em terras baixas |
title_full |
Bactérias promotoras de cresimento para soja em terras baixas |
title_fullStr |
Bactérias promotoras de cresimento para soja em terras baixas |
title_full_unstemmed |
Bactérias promotoras de cresimento para soja em terras baixas |
title_sort |
Bactérias promotoras de cresimento para soja em terras baixas |
author |
Silva, Isledi William da |
author_facet |
Silva, Isledi William da |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Martin, Thomas Newton |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/6293291442552572 |
dc.contributor.advisor-co1.fl_str_mv |
Marchesan, Ênio |
dc.contributor.referee1.fl_str_mv |
Sanes, Fernanda San Martins |
dc.contributor.referee2.fl_str_mv |
Brum, Marcos da Silva |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/8034702878660944 |
dc.contributor.author.fl_str_mv |
Silva, Isledi William da |
contributor_str_mv |
Martin, Thomas Newton Marchesan, Ênio Sanes, Fernanda San Martins Brum, Marcos da Silva |
dc.subject.por.fl_str_mv |
Solubilização Bacillus subtillis Bacillus megaterium Pseudomonas fluorescens Fosfato Fósforo |
topic |
Solubilização Bacillus subtillis Bacillus megaterium Pseudomonas fluorescens Fosfato Fósforo Solubilization Biosolubilization Megaterium Phosphate Phosphor CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
Solubilization Biosolubilization Megaterium Phosphate Phosphor |
dc.subject.cnpq.fl_str_mv |
CNPQ::CIENCIAS AGRARIAS::AGRONOMIA |
description |
The world population is rising exponentially, which in turn raises the demand for food proportionately. However, sustainable food production must be scaled up, and the reduction of non-renewable fertilizers needs to be rethought. As an option, bacteria capable of promoting growth and biosolubilizing nutrients that already exist in the soil can be used. The aim of this research is to evaluate the use of phosphate biosolubilizing bacteria in lowland soybean crop. The experiment was carried out in a randomized block design with four replications. The treatments distributed in a bifactorial, in which the first factor represents the co-oculation of Bradyrhizobium spp with the following bacteria: (i) Azospirillum spp; (ii) Pseudomonas fluorescens; (iii) Bacillus subtilis; (iv) Bacillus subtilis + Bacillus megaterium; (v) Azospirillum spp + Pseudomonas fluorescens; (vi) Azospirillum spp + Bacillus subtilis; (vii) Azospirillum spp + Bacillus subtilis + Bacillus megaterium; (viii) Azospirillum spp + Pseudomonas fluorescens + Bacillus subtilis + Bacillus subtilis + Bacillus megaterium, and (ix) Witness without the use of bacteria in inoculation. The second factor was tested as phosphate fertilizer doses (0, 50, 100, 150 kg of P2O5 ha-1). The number of plant-1 nodules, plant-1 nodule mass, thousand-grain mass, yield, tissue analysis and bacterial solubilization capacity in the laboratory were measured. The present study highlights the specificity of bacterial genera in promoting associations with the plant and producing different responses of agronomic interest. The bacterium Pseudomonas fluorescens increased the phosphorus content in the plant tissue of soybean by 232% when compared to the control, which can be indicated for an increase in organic phosphorus in the soil through the crop residues left in the soil during a mechanized harvest. The higher soybean yield for the field experiment due to the use of co-oculation of the bacteria Bradhiryzobium, Bacillus megaterium and Bacillus subtillis with the use of 150 kg ha-1 of P2O5, providing biosolubilization of the phosphorus contained in the soil, or even the phosphorus made via fertilizer in sowing soybeans. As bacteria when tested in the laboratory, formation of a solubilization halo in a liquid medium, where a Bacillus bacterium is subtilized as a phosphorus biosolubilizing medium, and as Bacillus subtilis, Bacillus megaterium and Pseudomonas fluorescens, a class with low biosolubilization potential. |
publishDate |
2022 |
dc.date.accessioned.fl_str_mv |
2022-09-12T14:27:13Z |
dc.date.available.fl_str_mv |
2022-09-12T14:27:13Z |
dc.date.issued.fl_str_mv |
2022-02-04 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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dc.identifier.uri.fl_str_mv |
http://repositorio.ufsm.br/handle/1/26129 |
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http://repositorio.ufsm.br/handle/1/26129 |
dc.language.iso.fl_str_mv |
por |
language |
por |
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500100000009 |
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600 600 600 600 600 600 |
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rights_invalid_str_mv |
Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
dc.publisher.program.fl_str_mv |
Programa de Pós-Graduação em Agronomia |
dc.publisher.initials.fl_str_mv |
UFSM |
dc.publisher.country.fl_str_mv |
Brasil |
dc.publisher.department.fl_str_mv |
Agronomia |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria Centro de Ciências Rurais |
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