Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio

Detalhes bibliográficos
Autor(a) principal: Pacheco, Rafael Sanches
Data de Publicação: 2010
Tipo de documento: Dissertação
Idioma: por
Título da fonte: Biblioteca Digital de Teses e Dissertações da UFRRJ
Texto Completo: https://tede.ufrrj.br/jspui/handle/jspui/2448
Resumo: Nutrient concentration in the seeds can affect the initial development, biological nitrogen fixation (BNF) and yield of plants. Common bean (Phaseolus vulgaris L.) has been considered as a species with low capacity of BNF as compared to other grain legumes, but results demonstrate the potential of BNF to supply the N demand of the crop and to achieve adequate yields. The objective of this study was to evaluate the effect of seed concentrations of Mo and P on biomass production, nodulation and grain yield of common bean at different sources of N supply. The field experiment was conducted between April and July 2009, in the Santa Monica Farm of Embrapa Gado de Leite in the municipality of Valen?a ? Rio de Janeiro State. The experimental design was a split-plot 4x4 factorial randomized block with 5 replicates. The main plots consisted of four N sources: control without N, mineral N fertilization with 20 kg N ha-1 at sowing + 40 kg N ha-1 in cover, inoculation with the commercial strain of rhizobia, rhizobia inoculation + 40 kg N ha-1 in cover. The subplots consisted of four combinations between concentrations of P and Mo in the seeds (low P low Mo, low P high Mo, Mo high P low, high-P high-Mo). The seeds of cultivar Carioca were originating from a field experiment when 5 kg P ha-1 and 120 g Mo ha-1 were foliar sprayed at 52 and 71 days after emergence (DAE). In each subplot, plant biomass were sampled at 30, 42 and 57 DAE, and root, shoot and nodules dry mass, the number of nodules and the accumulation of N in the shoot were determined. Grains were harvested at 90 DAE, and grain yield, yield components, N and Mo concentratios in the grains were measured. Interactions between the N sources and the concentrations of P and Mo in the seeds were not significant in the three sampling times, except for shoot dry mass and number of nodules at 57 DAE. Seeds with low P and high Mo increased shoot dry matter and grain yield of beans. Mineral N fertilizer increased root mass in the early growth stages. The rhizobia inoculation increased bean nodulation. There was a small effect of the seeds with high P concentration in the accumulation of N and mass of shoots at 57 DAE. Mineral N fertilizer increased N accumulation in the shoots at 57 DAE. The inoculation + 40 kg N ha-1 in cover gave similar grain yield and N accumulation as the application of 60 kg N ha-1, both treatments superior to the control. The use of seeds enriched with P and Mo, associated with the inoculation of seeds and the application of N in cover, could maximize the process of biological nitrogen fixation in the common bean crop.
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spelling Ara?jo, Adelson Paulo de844.566.557-04http://lattes.cnpq.br/5394022232015318Straliotto, Ros?ngelaP?rez, Daniel VidalAra?jo, Jean Luiz Sim?es055.883.557-09http://lattes.cnpq.br/2878448197446930Pacheco, Rafael Sanches2018-09-19T12:12:01Z2010-08-10PACHECO, Rafael Sanches. Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio. 2010. 56 f. Disserta??o (Mestrado em Agronomia e Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica, 2010.https://tede.ufrrj.br/jspui/handle/jspui/2448Nutrient concentration in the seeds can affect the initial development, biological nitrogen fixation (BNF) and yield of plants. Common bean (Phaseolus vulgaris L.) has been considered as a species with low capacity of BNF as compared to other grain legumes, but results demonstrate the potential of BNF to supply the N demand of the crop and to achieve adequate yields. The objective of this study was to evaluate the effect of seed concentrations of Mo and P on biomass production, nodulation and grain yield of common bean at different sources of N supply. The field experiment was conducted between April and July 2009, in the Santa Monica Farm of Embrapa Gado de Leite in the municipality of Valen?a ? Rio de Janeiro State. The experimental design was a split-plot 4x4 factorial randomized block with 5 replicates. The main plots consisted of four N sources: control without N, mineral N fertilization with 20 kg N ha-1 at sowing + 40 kg N ha-1 in cover, inoculation with the commercial strain of rhizobia, rhizobia inoculation + 40 kg N ha-1 in cover. The subplots consisted of four combinations between concentrations of P and Mo in the seeds (low P low Mo, low P high Mo, Mo high P low, high-P high-Mo). The seeds of cultivar Carioca were originating from a field experiment when 5 kg P ha-1 and 120 g Mo ha-1 were foliar sprayed at 52 and 71 days after emergence (DAE). In each subplot, plant biomass were sampled at 30, 42 and 57 DAE, and root, shoot and nodules dry mass, the number of nodules and the accumulation of N in the shoot were determined. Grains were harvested at 90 DAE, and grain yield, yield components, N and Mo concentratios in the grains were measured. Interactions between the N sources and the concentrations of P and Mo in the seeds were not significant in the three sampling times, except for shoot dry mass and number of nodules at 57 DAE. Seeds with low P and high Mo increased shoot dry matter and grain yield of beans. Mineral N fertilizer increased root mass in the early growth stages. The rhizobia inoculation increased bean nodulation. There was a small effect of the seeds with high P concentration in the accumulation of N and mass of shoots at 57 DAE. Mineral N fertilizer increased N accumulation in the shoots at 57 DAE. The inoculation + 40 kg N ha-1 in cover gave similar grain yield and N accumulation as the application of 60 kg N ha-1, both treatments superior to the control. The use of seeds enriched with P and Mo, associated with the inoculation of seeds and the application of N in cover, could maximize the process of biological nitrogen fixation in the common bean crop.A concentra??o de nutrientes nas sementes pode afetar o desenvolvimento inicial, a fixa??o biol?gica de nitrog?nio (FBN) e a produ??o de gr?os das plantas por elas geradas. O feijoeiro (Phaseolus vulgaris L.) tem sido considerado uma esp?cie de baixa capacidade de FBN em compara??o com outras leguminosas de gr?o, mas resultados demonstram o potencial da FBN em suprir a demanda de N do feijoeiro e obter boas produtividades. O objetivo deste estudo foi avaliar o efeito dos teores de P e Mo em sementes na produ??o de biomassa, nodula??o e no rendimento de gr?os de feijoeiro sob diferentes fontes de fornecimento de N. O experimento foi conduzido em condi??es de campo entre abril e julho de 2009, na Fazenda Santa M?nica da Embrapa Gado de Leite, no munic?pio de Valen?a ? RJ, em delineamento em blocos ao acaso em fatorial 4x4 com 5 repeti??es em parcelas subdivididas. As parcelas foram compostas por quatro fontes de N: testemunha absoluta sem N; aduba??o com N mineral com 20 kg N ha-1 no plantio + 40 kg N ha-1 em cobertura; inocula??o com a estirpe comercial de riz?bio recomendada para a cultura; inocula??o com estirpe comercial + 40 kg N ha-1 em cobertura. As subparcelas foram compostas por quatro combina??es entre teores de P e de Mo na semente (baixo P baixo Mo, baixo P alto Mo, alto P baixo Mo, alto P alto Mo). As sementes da cultivar Carioca utilizadas foram oriundas de um experimento de campo onde foram efetuadas aplica??es foliares com 5 kg P ha-1 e 120 g Mo ha-1 aos 52 e 71 dias ap?s emerg?ncia (DAE). Em cada subparcela foram efetuadas tr?s amostragens de biomassa, aos 30, 42 e 57 DAE, determinando-se a massa seca de raiz, parte a?rea e n?dulos, o n?mero de n?dulos e a acumula??o de N na parte a?rea. A colheita de gr?os foi efetuada aos 90 DAE, determinando-se o rendimento de gr?os, os componentes de produ??o e o teor de N e de Mo nos gr?os. As intera??es entre as fontes de N e os teores de P e Mo das sementes, nas tr?s ?pocas de coleta, n?o foram significativas, exceto para massa seca de parte a?rea e n?mero de n?dulos aos 57 DAE. As sementes com baixo P e alto Mo foram as que promoveram maior massa de parte a?rea e tamb?m a maior produ??o de gr?os de feij?o. A aduba??o com N mineral promoveu maior massa radicular nos est?gios iniciais de crescimento. A inocula??o das sementes com riz?bio aumentou a nodula??o do feijoeiro. Houve um pequeno efeito dos altos teores de P nas sementes na acumula??o de N e de biomassa da parte a?rea aos 57 DAE. A aplica??o de N mineral promoveu maior ac?mulo da N na parte a?rea aos 57 DAE. A inocula??o combinada com 40 kg N ha-1 em cobertura forneceu rendimento de gr?os e acumula??o de N nos gr?os similar ? aplica??o de 60 kg N ha-1, por sua vez superiores ? testemunha. O uso de sementes enriquecidas com P e Mo, associada com a inocula??o de sementes e a aplica??o de N em cobertura, podem maximizar o processo de fixa??o biol?gica de nitrog?nio na cultura do feijoeiro.Submitted by Sandra Pereira (srpereira@ufrrj.br) on 2018-09-19T12:12:01Z No. of bitstreams: 1 2010 - Rafael Sanches Pacheco.pdf: 669093 bytes, checksum: 3ca2e98e7a5ac781dba791f2e1bfda70 (MD5)Made available in DSpace on 2018-09-19T12:12:01Z (GMT). No. of bitstreams: 1 2010 - Rafael Sanches Pacheco.pdf: 669093 bytes, checksum: 3ca2e98e7a5ac781dba791f2e1bfda70 (MD5) Previous issue date: 2010-08-10CNPq - Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gicoapplication/pdfhttps://tede.ufrrj.br/retrieve/8604/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/15422/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/21724/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/28108/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/34486/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/40874/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/47230/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpghttps://tede.ufrrj.br/retrieve/53652/2010%20-%20Rafael%20Sanches%20Pacheco.pdf.jpgporUniversidade Federal Rural do Rio de JaneiroPrograma de P?s-Gradua??o em Agronomia - Ci?ncia do SoloUFRRJBrasilInstituto de AgronomiaALBAREDA, M.; RODR?GUEZ-NAVARRO, D.N.; TEMPRANO, F.J. 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Plant Biology, v.1, n.2, p.160-168, 1999.Feij?oRhizobiumFixa??o biol?gica de nitrog?nioInocula??oBeanRhizobiumBiological nitrogen fixationInoculationAgronomiaCrescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nioGrowth and yield of common bean originated from seeds with different concentrations of phosphorus and molybdenum at different nitrogen sourcesinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessreponame:Biblioteca Digital de Teses e Dissertações da UFRRJinstname:Universidade Federal Rural do Rio de Janeiro (UFRRJ)instacron:UFRRJTHUMBNAIL2010 - Rafael Sanches Pacheco.pdf.jpg2010 - Rafael Sanches Pacheco.pdf.jpgimage/jpeg4497http://localhost:8080/tede/bitstream/jspui/2448/18/2010+-+Rafael+Sanches+Pacheco.pdf.jpg0f89742077c675c05929d6bfbd6cda10MD518TEXT2010 - Rafael Sanches Pacheco.pdf.txt2010 - Rafael Sanches Pacheco.pdf.txttext/plain159826http://localhost:8080/tede/bitstream/jspui/2448/17/2010+-+Rafael+Sanches+Pacheco.pdf.txt6c3ea6477ee5164ca25e9a613690d44eMD517ORIGINAL2010 - Rafael Sanches Pacheco.pdf2010 - Rafael Sanches Pacheco.pdfapplication/pdf669093http://localhost:8080/tede/bitstream/jspui/2448/2/2010+-+Rafael+Sanches+Pacheco.pdf3ca2e98e7a5ac781dba791f2e1bfda70MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-82089http://localhost:8080/tede/bitstream/jspui/2448/1/license.txt7b5ba3d2445355f386edab96125d42b7MD51jspui/24482022-06-29 09:47:33.535oai:localhost: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Biblioteca Digital de Teses e Dissertaçõeshttps://tede.ufrrj.br/PUBhttps://tede.ufrrj.br/oai/requestbibliot@ufrrj.br||bibliot@ufrrj.bropendoar:2022-06-29T12:47:33Biblioteca Digital de Teses e Dissertações da UFRRJ - Universidade Federal Rural do Rio de Janeiro (UFRRJ)false
dc.title.por.fl_str_mv Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
dc.title.alternative.eng.fl_str_mv Growth and yield of common bean originated from seeds with different concentrations of phosphorus and molybdenum at different nitrogen sources
title Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
spellingShingle Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
Pacheco, Rafael Sanches
Feij?o
Rhizobium
Fixa??o biol?gica de nitrog?nio
Inocula??o
Bean
Rhizobium
Biological nitrogen fixation
Inoculation
Agronomia
title_short Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
title_full Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
title_fullStr Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
title_full_unstemmed Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
title_sort Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio
author Pacheco, Rafael Sanches
author_facet Pacheco, Rafael Sanches
author_role author
dc.contributor.advisor1.fl_str_mv Ara?jo, Adelson Paulo de
dc.contributor.advisor1ID.fl_str_mv 844.566.557-04
dc.contributor.advisor1Lattes.fl_str_mv http://lattes.cnpq.br/5394022232015318
dc.contributor.advisor-co1.fl_str_mv Straliotto, Ros?ngela
dc.contributor.referee1.fl_str_mv P?rez, Daniel Vidal
dc.contributor.referee2.fl_str_mv Ara?jo, Jean Luiz Sim?es
dc.contributor.authorID.fl_str_mv 055.883.557-09
dc.contributor.authorLattes.fl_str_mv http://lattes.cnpq.br/2878448197446930
dc.contributor.author.fl_str_mv Pacheco, Rafael Sanches
contributor_str_mv Ara?jo, Adelson Paulo de
Straliotto, Ros?ngela
P?rez, Daniel Vidal
Ara?jo, Jean Luiz Sim?es
dc.subject.por.fl_str_mv Feij?o
Rhizobium
Fixa??o biol?gica de nitrog?nio
Inocula??o
topic Feij?o
Rhizobium
Fixa??o biol?gica de nitrog?nio
Inocula??o
Bean
Rhizobium
Biological nitrogen fixation
Inoculation
Agronomia
dc.subject.eng.fl_str_mv Bean
Rhizobium
Biological nitrogen fixation
Inoculation
dc.subject.cnpq.fl_str_mv Agronomia
description Nutrient concentration in the seeds can affect the initial development, biological nitrogen fixation (BNF) and yield of plants. Common bean (Phaseolus vulgaris L.) has been considered as a species with low capacity of BNF as compared to other grain legumes, but results demonstrate the potential of BNF to supply the N demand of the crop and to achieve adequate yields. The objective of this study was to evaluate the effect of seed concentrations of Mo and P on biomass production, nodulation and grain yield of common bean at different sources of N supply. The field experiment was conducted between April and July 2009, in the Santa Monica Farm of Embrapa Gado de Leite in the municipality of Valen?a ? Rio de Janeiro State. The experimental design was a split-plot 4x4 factorial randomized block with 5 replicates. The main plots consisted of four N sources: control without N, mineral N fertilization with 20 kg N ha-1 at sowing + 40 kg N ha-1 in cover, inoculation with the commercial strain of rhizobia, rhizobia inoculation + 40 kg N ha-1 in cover. The subplots consisted of four combinations between concentrations of P and Mo in the seeds (low P low Mo, low P high Mo, Mo high P low, high-P high-Mo). The seeds of cultivar Carioca were originating from a field experiment when 5 kg P ha-1 and 120 g Mo ha-1 were foliar sprayed at 52 and 71 days after emergence (DAE). In each subplot, plant biomass were sampled at 30, 42 and 57 DAE, and root, shoot and nodules dry mass, the number of nodules and the accumulation of N in the shoot were determined. Grains were harvested at 90 DAE, and grain yield, yield components, N and Mo concentratios in the grains were measured. Interactions between the N sources and the concentrations of P and Mo in the seeds were not significant in the three sampling times, except for shoot dry mass and number of nodules at 57 DAE. Seeds with low P and high Mo increased shoot dry matter and grain yield of beans. Mineral N fertilizer increased root mass in the early growth stages. The rhizobia inoculation increased bean nodulation. There was a small effect of the seeds with high P concentration in the accumulation of N and mass of shoots at 57 DAE. Mineral N fertilizer increased N accumulation in the shoots at 57 DAE. The inoculation + 40 kg N ha-1 in cover gave similar grain yield and N accumulation as the application of 60 kg N ha-1, both treatments superior to the control. The use of seeds enriched with P and Mo, associated with the inoculation of seeds and the application of N in cover, could maximize the process of biological nitrogen fixation in the common bean crop.
publishDate 2010
dc.date.issued.fl_str_mv 2010-08-10
dc.date.accessioned.fl_str_mv 2018-09-19T12:12:01Z
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 PACHECO, Rafael Sanches. Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio. 2010. 56 f. Disserta??o (Mestrado em Agronomia e Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica, 2010.
dc.identifier.uri.fl_str_mv https://tede.ufrrj.br/jspui/handle/jspui/2448
identifier_str_mv PACHECO, Rafael Sanches. Crescimento e produ??o de feijoeiro originado de sementes com diferentes teores de f?sforo e molibd?nio sob diferentes fontes de nitrog?nio. 2010. 56 f. Disserta??o (Mestrado em Agronomia e Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica, 2010.
url https://tede.ufrrj.br/jspui/handle/jspui/2448
dc.language.iso.fl_str_mv por
language por
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