Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar
Ano de defesa: | 2006 |
---|---|
Autor(a) principal: | |
Orientador(a): | |
Banca de defesa: | |
Tipo de documento: | Dissertação |
Tipo de acesso: | Acesso aberto |
Idioma: | por |
Instituição de defesa: |
Universidade Federal Rural do Rio de Janeiro
|
Programa de Pós-Graduação: |
Programa de P?s-Gradua??o em Agronomia - Ci?ncia do Solo
|
Departamento: |
Instituto de Agronomia
|
País: |
Brasil
|
Palavras-chave em Português: | |
Palavras-chave em Inglês: | |
Área do conhecimento CNPq: | |
Link de acesso: | https://tede.ufrrj.br/jspui/handle/tede/257 |
Resumo: | The present study had as objective to evaluate the viability to increase the concentration of phosphorus (P) and molybdenum (Mo) in bean seeds (Phaseolus vulgaris L.) through the foliar fertilization, and the effect of the highert concentration of Mo in seeds in the growth and the nitrogen biological fixation for the plant. Two experiments were carried out for this purpose. The first, under field conditions, had the objective of increasing the concentration of P and Mo in bean seeds by foliar fertilization. The experimental design was a 2x4x3 factorial in a randomized block with four repetitions: in the plots two levels of P applied to the soil were tested (0 and 50 kg P ha-1), in the subplots four treatments of foliar fertilization (without foliar fertilization, foliar fertilization with P, foliar fertilization with Mo, foliar fertilization with P and Mo), and in the subsubplots three cultivars (Carioca, Manteig?o and Rio Tibagi). The foliar applications were accomplished at 52 and 71 days after emergence, for each treatment, in the dosages of 5 kg P ha-1 and 120 g Mo ha-1. At grain maturity, in the useful area of 5 m2 within each subplot, the grain yield was measured, and the concentrations of N, P and Mo were determined in a seed sample. The foliar fertilization with P increased the concentration of P in the seeds, in the absence or presence of foliar fertilization with Mo, but this increase was significant only for the lower level of P applied to the soil. The foliar fertilization with P reduced the concentration of Mo in the seeds, in the two levels of P applied to the soil, indicating a possible effect of competition between P and Mo, when leaf absorption and transport to the grains occur. The foliar fertilization with Mo provided seeds with an average concentration of 9.7 mg Mo g-1, whereas in the plants that did not receive foliar fertilization the seed concentration was around 0.2 mg Mo g-1. The foliar fertilization with Mo increased the seed concentration of Mo about 50 times, when compared with the foliar fertilization without Mo. The second experiment, in the greenhouse, had as objective to evaluate the effect of the increased Mo concentration in bean seeds, obtained by the foliar fertilization, in the growth and biological N2 fixation of three bean cultivars. The experiment had a randomized block design with five repetitions, in a 3x2x2 factorial: three bean cultivars (Manteig?o, Carioca and Rio Tibagi), two concentrations of Mo in the seed (low and high Mo concentrations), and two dates of harvesting (30 and 45 days after emergence). Two plants were grown per pot with 3 kg of soil. The higher Mo concentration in seeds increased the mass and N content in shoots, in all cultivars, at the two harvests. The higher Mo concentration in seeds increased the nitrogenase activity in cultivars Carioca and Manteig?o at the first harvest, and in the cultivar Manteig?o at the second harvest. The higher seed Mo concentration reduced the number of nodules in cultivars Carioca, at first harvest, and in the cultivars Carioca and Manteig?o at the second harvest, probably due to the earliness of plants originated from seeds with high Mo concentration. It can be concluded that foliar fertilization arises as a technological alternative for producing bean seeds with higher concentrations of P and Mo, therefore higher N2 biological fixation. |
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Ara?jo, Adelson Paulo de844.566.557-04http://lattes.cnpq.br/5394022232015318Teixeira, Marcelo Grandi192.109.907-06http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780073A1086.505.287-59http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4705083D9Kubota, Fl?vio Yuudi2016-04-26T19:36:52Z2006-08-082006-02-17KUBOTA, Fl?vio Yuudi. Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar. 2006. 71 f. Disserta??o (Mestrado em Agronomia, Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2006.https://tede.ufrrj.br/jspui/handle/tede/257The present study had as objective to evaluate the viability to increase the concentration of phosphorus (P) and molybdenum (Mo) in bean seeds (Phaseolus vulgaris L.) through the foliar fertilization, and the effect of the highert concentration of Mo in seeds in the growth and the nitrogen biological fixation for the plant. Two experiments were carried out for this purpose. The first, under field conditions, had the objective of increasing the concentration of P and Mo in bean seeds by foliar fertilization. The experimental design was a 2x4x3 factorial in a randomized block with four repetitions: in the plots two levels of P applied to the soil were tested (0 and 50 kg P ha-1), in the subplots four treatments of foliar fertilization (without foliar fertilization, foliar fertilization with P, foliar fertilization with Mo, foliar fertilization with P and Mo), and in the subsubplots three cultivars (Carioca, Manteig?o and Rio Tibagi). The foliar applications were accomplished at 52 and 71 days after emergence, for each treatment, in the dosages of 5 kg P ha-1 and 120 g Mo ha-1. At grain maturity, in the useful area of 5 m2 within each subplot, the grain yield was measured, and the concentrations of N, P and Mo were determined in a seed sample. The foliar fertilization with P increased the concentration of P in the seeds, in the absence or presence of foliar fertilization with Mo, but this increase was significant only for the lower level of P applied to the soil. The foliar fertilization with P reduced the concentration of Mo in the seeds, in the two levels of P applied to the soil, indicating a possible effect of competition between P and Mo, when leaf absorption and transport to the grains occur. The foliar fertilization with Mo provided seeds with an average concentration of 9.7 mg Mo g-1, whereas in the plants that did not receive foliar fertilization the seed concentration was around 0.2 mg Mo g-1. The foliar fertilization with Mo increased the seed concentration of Mo about 50 times, when compared with the foliar fertilization without Mo. The second experiment, in the greenhouse, had as objective to evaluate the effect of the increased Mo concentration in bean seeds, obtained by the foliar fertilization, in the growth and biological N2 fixation of three bean cultivars. The experiment had a randomized block design with five repetitions, in a 3x2x2 factorial: three bean cultivars (Manteig?o, Carioca and Rio Tibagi), two concentrations of Mo in the seed (low and high Mo concentrations), and two dates of harvesting (30 and 45 days after emergence). Two plants were grown per pot with 3 kg of soil. The higher Mo concentration in seeds increased the mass and N content in shoots, in all cultivars, at the two harvests. The higher Mo concentration in seeds increased the nitrogenase activity in cultivars Carioca and Manteig?o at the first harvest, and in the cultivar Manteig?o at the second harvest. The higher seed Mo concentration reduced the number of nodules in cultivars Carioca, at first harvest, and in the cultivars Carioca and Manteig?o at the second harvest, probably due to the earliness of plants originated from seeds with high Mo concentration. It can be concluded that foliar fertilization arises as a technological alternative for producing bean seeds with higher concentrations of P and Mo, therefore higher N2 biological fixation.O presente trabalho teve por objetivo avaliar a viabilidade de aumentar os teores de f?sforo (P) e de molibd?nio (Mo) em sementes de feijoeiro (Phaseolus vulgaris L.) atrav?s da aduba??o foliar, e o efeito do maior teor de Mo em sementes no crescimento e na fixa??o biol?gica de N2 para a cultura. Para isso foram realizados dois experimentos. O primeiro, em condi??es de campo, objetivou aumentar os teores de P e de Mo em sementes de feijoeiro via aduba??o foliar. O delineamento adotado foi um esquema fatorial 2?4?3 em blocos ao acaso com quatro repeti??es: nas parcelas foram testados dois n?veis de P aplicado ao solo (0 e 50 kg P ha-1), nas subparcelas quatro tratamentos de aduba??o foliar (sem aduba??o foliar, aduba??o foliar com P, aduba??o foliar com Mo, aduba??o foliar com P e Mo), e nas subsubparcelas tr?s cultivares (Carioca, Manteig?o e Rio Tibagi). As aplica??es foliares foram efetuadas aos 52 e 71 dias ap?s emerg?ncia, para cada tratamento, nas doses de 5 kg P ha-1 e 120 g Mo ha-1. Quando da matura??o das sementes, na ?rea ?til de 5 m2 de cada subparcela foi mensurado o rendimento das sementes, e em uma amostra de sementes foram determinados os teores de N, P e Mo. A aduba??o foliar com P aumentou o teor de P nas sementes, na aus?ncia ou presen?a de aduba??o foliar com Mo, mas este aumento foi significativo apenas no menor n?vel de P aplicado ao solo. A aduba??o foliar com P reduziu o teor de Mo nas sementes, nos dois n?veis de P aplicado ao solo, indicando um poss?vel efeito de competi??o entre o P e o Mo quando da absor??o pelas folhas e transporte para as sementes. A aduba??o foliar com Mo forneceu sementes com teores m?dios de 9,7 mg Mo g-1, enquanto nas plantas que n?o receberam aduba??o foliar com Mo os teores nas sementes estiveram em torno de 0,02 mg Mo g-1. O segundo experimento, em condi??es de casa de vegeta??o, teve como objetivo avaliar o efeito do aumento do teor de Mo em sementes de feijoeiro, obtidas atrav?s da aduba??o foliar, no crescimento e na fixa??o biol?gica de N2 de tr?s cultivares de feijoeiro. O experimento foi realizado em delineamento em blocos ao acaso com cinco repeti??es, em um fatorial 3?2?2: tr?s cultivares de feijoeiro (Manteig?o, Carioca e Rio Tibagi), dois teores de Mo na semente (baixo e alto teor de Mo), e duas ?pocas de coleta (aos 30 e 45 dias ap?s emerg?ncia). Foram crescidas duas plantas por vaso com 3 kg de solo. O maior teor de Mo nas sementes aumentou a massa e o conte?do de N na parte a?rea, em todas as cultivares, nas duas ?pocas de coleta. O maior teor de Mo nas sementes aumentou a atividade da nitrogenase, nas cultivares Carioca e Manteig?o na primeira coleta, e na cultivar Manteig?o na segunda coleta. O maior teor de Mo nas sementes reduziu o n?mero de n?dulos na cultivar Carioca, na primeira coleta, e nas cultivares Carioca e Manteig?o, na segunda coleta, provavelmente devido ? precocidade das plantas oriundas de sementes com alto teor de Mo. Pode-se concluir que a aduba??o foliar mostrou-se uma possibilidade tecnol?gica para a produ??o de sementes de feij?o com maiores teores de P e de Mo, cujo efeito se traduz em uma maior fixa??o biol?gica de N2.Funda??o Carlos Chagas Filho de Amparo ? Pesquisa do Estado do Rio de Janeiro (FAPERJ)application/pdfhttps://tede.ufrrj.br/retrieve/13288/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/18042/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/24340/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/30747/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/37109/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/43461/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/49863/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpghttps://tede.ufrrj.br/retrieve/56284/2006%20-%20Fl%c3%a1vio%20Yuudi%20Kubota.pdf.jpgporUniversidade Federal Rural do Rio de JaneiroPrograma de P?s-Gradua??o em Agronomia - Ci?ncia do SoloUFRRJBrasilInstituto de Agronomiacrescimentonitrogenasefixa??o biol?gica de nitrog?niocultivargrowthnitrogenasenitrogen biological fixationcultivarAgronomiaAumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliarIncrease of P and Mo concentration in common bean (Phaseolus vulgaris L.) seeds by foliar fertilizationinfo: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:UFRRJTHUMBNAIL2006 - Fl?vio Yuudi Kubota.pdf.jpg2006 - Fl?vio Yuudi Kubota.pdf.jpgimage/jpeg1943http://localhost:8080/tede/bitstream/tede/257/17/2006+-+Fl%C3%A1vio+Yuudi+Kubota.pdf.jpgcc73c4c239a4c332d642ba1e7c7a9fb2MD517TEXT2006 - Fl?vio Yuudi Kubota.pdf.txt2006 - Fl?vio Yuudi Kubota.pdf.txttext/plain166689http://localhost:8080/tede/bitstream/tede/257/16/2006+-+Fl%C3%A1vio+Yuudi+Kubota.pdf.txt57e0aada835755698693185cc3eed1e6MD516ORIGINAL2006 - Fl?vio Yuudi Kubota.pdf2006 - Fl?vio Yuudi Kubota.pdfapplication/pdf1943462http://localhost:8080/tede/bitstream/tede/257/1/2006+-+Fl%C3%A1vio+Yuudi+Kubota.pdfdc9d635ec7d266bc67c8fa1facef32ccMD51tede/2572022-06-08 13:11:43.122oai:localhost:tede/257Biblioteca Digital de Teses e Dissertaçõeshttps://tede.ufrrj.br/PUBhttps://tede.ufrrj.br/oai/requestbibliot@ufrrj.br||bibliot@ufrrj.bropendoar:2022-06-08T16:11:43Biblioteca Digital de Teses e Dissertações da UFRRJ - Universidade Federal Rural do Rio de Janeiro (UFRRJ)false |
dc.title.por.fl_str_mv |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
dc.title.alternative.eng.fl_str_mv |
Increase of P and Mo concentration in common bean (Phaseolus vulgaris L.) seeds by foliar fertilization |
title |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
spellingShingle |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar Kubota, Fl?vio Yuudi crescimento nitrogenase fixa??o biol?gica de nitrog?nio cultivar growth nitrogenase nitrogen biological fixation cultivar Agronomia |
title_short |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
title_full |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
title_fullStr |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
title_full_unstemmed |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
title_sort |
Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar |
author |
Kubota, Fl?vio Yuudi |
author_facet |
Kubota, Fl?vio Yuudi |
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 |
Teixeira, Marcelo Grandi |
dc.contributor.advisor-co1ID.fl_str_mv |
192.109.907-06 |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4780073A1 |
dc.contributor.authorID.fl_str_mv |
086.505.287-59 |
dc.contributor.authorLattes.fl_str_mv |
http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4705083D9 |
dc.contributor.author.fl_str_mv |
Kubota, Fl?vio Yuudi |
contributor_str_mv |
Ara?jo, Adelson Paulo de Teixeira, Marcelo Grandi |
dc.subject.por.fl_str_mv |
crescimento nitrogenase fixa??o biol?gica de nitrog?nio cultivar |
topic |
crescimento nitrogenase fixa??o biol?gica de nitrog?nio cultivar growth nitrogenase nitrogen biological fixation cultivar Agronomia |
dc.subject.eng.fl_str_mv |
growth nitrogenase nitrogen biological fixation cultivar |
dc.subject.cnpq.fl_str_mv |
Agronomia |
description |
The present study had as objective to evaluate the viability to increase the concentration of phosphorus (P) and molybdenum (Mo) in bean seeds (Phaseolus vulgaris L.) through the foliar fertilization, and the effect of the highert concentration of Mo in seeds in the growth and the nitrogen biological fixation for the plant. Two experiments were carried out for this purpose. The first, under field conditions, had the objective of increasing the concentration of P and Mo in bean seeds by foliar fertilization. The experimental design was a 2x4x3 factorial in a randomized block with four repetitions: in the plots two levels of P applied to the soil were tested (0 and 50 kg P ha-1), in the subplots four treatments of foliar fertilization (without foliar fertilization, foliar fertilization with P, foliar fertilization with Mo, foliar fertilization with P and Mo), and in the subsubplots three cultivars (Carioca, Manteig?o and Rio Tibagi). The foliar applications were accomplished at 52 and 71 days after emergence, for each treatment, in the dosages of 5 kg P ha-1 and 120 g Mo ha-1. At grain maturity, in the useful area of 5 m2 within each subplot, the grain yield was measured, and the concentrations of N, P and Mo were determined in a seed sample. The foliar fertilization with P increased the concentration of P in the seeds, in the absence or presence of foliar fertilization with Mo, but this increase was significant only for the lower level of P applied to the soil. The foliar fertilization with P reduced the concentration of Mo in the seeds, in the two levels of P applied to the soil, indicating a possible effect of competition between P and Mo, when leaf absorption and transport to the grains occur. The foliar fertilization with Mo provided seeds with an average concentration of 9.7 mg Mo g-1, whereas in the plants that did not receive foliar fertilization the seed concentration was around 0.2 mg Mo g-1. The foliar fertilization with Mo increased the seed concentration of Mo about 50 times, when compared with the foliar fertilization without Mo. The second experiment, in the greenhouse, had as objective to evaluate the effect of the increased Mo concentration in bean seeds, obtained by the foliar fertilization, in the growth and biological N2 fixation of three bean cultivars. The experiment had a randomized block design with five repetitions, in a 3x2x2 factorial: three bean cultivars (Manteig?o, Carioca and Rio Tibagi), two concentrations of Mo in the seed (low and high Mo concentrations), and two dates of harvesting (30 and 45 days after emergence). Two plants were grown per pot with 3 kg of soil. The higher Mo concentration in seeds increased the mass and N content in shoots, in all cultivars, at the two harvests. The higher Mo concentration in seeds increased the nitrogenase activity in cultivars Carioca and Manteig?o at the first harvest, and in the cultivar Manteig?o at the second harvest. The higher seed Mo concentration reduced the number of nodules in cultivars Carioca, at first harvest, and in the cultivars Carioca and Manteig?o at the second harvest, probably due to the earliness of plants originated from seeds with high Mo concentration. It can be concluded that foliar fertilization arises as a technological alternative for producing bean seeds with higher concentrations of P and Mo, therefore higher N2 biological fixation. |
publishDate |
2006 |
dc.date.available.fl_str_mv |
2006-08-08 |
dc.date.issued.fl_str_mv |
2006-02-17 |
dc.date.accessioned.fl_str_mv |
2016-04-26T19:36:52Z |
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info:eu-repo/semantics/publishedVersion |
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info:eu-repo/semantics/masterThesis |
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publishedVersion |
dc.identifier.citation.fl_str_mv |
KUBOTA, Fl?vio Yuudi. Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar. 2006. 71 f. Disserta??o (Mestrado em Agronomia, Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2006. |
dc.identifier.uri.fl_str_mv |
https://tede.ufrrj.br/jspui/handle/tede/257 |
identifier_str_mv |
KUBOTA, Fl?vio Yuudi. Aumento dos teores de f?sforo e de molibd?nio em sementes de feijoeiro (Phaseolus vulgaris L.) via aduba??o foliar. 2006. 71 f. Disserta??o (Mestrado em Agronomia, Ci?ncia do Solo) - Instituto de Agronomia, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2006. |
url |
https://tede.ufrrj.br/jspui/handle/tede/257 |
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por |
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Universidade Federal Rural do Rio de Janeiro |
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Programa de P?s-Gradua??o em Agronomia - Ci?ncia do Solo |
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UFRRJ |
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Brasil |
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Instituto de Agronomia |
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Universidade Federal Rural do Rio de Janeiro |
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