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Registro Completo |
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Biblioteca(s): |
Embrapa Solos. |
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Data corrente: |
25/08/2021 |
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Data da última atualização: |
30/08/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
ZOFFOLI, B. C.; BRITO, L. F.; STRALIOTTO, R.; ARAÚJO, A. P. de. |
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Afiliação: |
BÁRBARA CAVALHEIRO ZOFFOLI, UFRRJ; LUCIANA FERNANDES BRITO, NORWEGIAN UNIVERSITY OF SCIENCE AND TECHNOLOGY; ROSANGELA STRALIOTTO, CNPS; ADELSON PAULO DE ARAÚJO, UFRRJ. |
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Título: |
Early nitrogen supplementation stimulates the nodulation and growth of common bean plants inoculated with rhizobium. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Acta Scientiarum. Agronomy, v. 43, n. 1, e55105, 2021. |
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DOI: |
https://doi.org/10.4025/actasciagron.v43i1.55105 |
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Idioma: |
Inglês |
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Conteúdo: |
The initial development of common bean plants (Phaseolus vulgaris L.) relying on symbiotic nitrogen (N) can be limited by delayed active N2 fixation, requiring supplemental N which in turn may inhibit the symbiosis. Five experiments were carried out in hydroponics to identify the initiation of nodulation and nitrogenase activity in common bean cultivars, and the effects of additions of mineral N on plant nodulation and growth. Three experiments evaluated the initial growth of five inoculated bean cultivars in the absence or presence of mineral N, and two experiments evaluated the effect of the moment of mineral N addition until the beginning of reproductive stage. The first root nodules appeared 10 days after plant transplant (DAT) and nitrogenase activity initiated 11 DAT. Cultivars of large seeds had lower initial nodulation and nitrogenase activity than those of small seeds. Inoculated plants showed limited shoot growth that lasted until 21-25 DAT as compared to inoculated plants receiving mineral N. Addition of mineral N reduced nodule mass more intensively than nodule number and more strongly nitrogenase activity. Nitrogen applied until 15 DAT enhanced nodulation and nitrogenase activity without limiting shoot growth, as compared to plants receiving N throughout their growth. Otherwise, plants that received N after 15 DAT had lower nodule mass and nitrogenase activity than plants only inoculated. The results indicate that symbiotic N did not suffice to an adequate growth of common beans and some supplemental N is necessary. This N should be added in the beginning of growth cycle to stimulate plant growth without inhibiting further nodulation and N fixation. MenosThe initial development of common bean plants (Phaseolus vulgaris L.) relying on symbiotic nitrogen (N) can be limited by delayed active N2 fixation, requiring supplemental N which in turn may inhibit the symbiosis. Five experiments were carried out in hydroponics to identify the initiation of nodulation and nitrogenase activity in common bean cultivars, and the effects of additions of mineral N on plant nodulation and growth. Three experiments evaluated the initial growth of five inoculated bean cultivars in the absence or presence of mineral N, and two experiments evaluated the effect of the moment of mineral N addition until the beginning of reproductive stage. The first root nodules appeared 10 days after plant transplant (DAT) and nitrogenase activity initiated 11 DAT. Cultivars of large seeds had lower initial nodulation and nitrogenase activity than those of small seeds. Inoculated plants showed limited shoot growth that lasted until 21-25 DAT as compared to inoculated plants receiving mineral N. Addition of mineral N reduced nodule mass more intensively than nodule number and more strongly nitrogenase activity. Nitrogen applied until 15 DAT enhanced nodulation and nitrogenase activity without limiting shoot growth, as compared to plants receiving N throughout their growth. Otherwise, plants that received N after 15 DAT had lower nodule mass and nitrogenase activity than plants only inoculated. The results indicate that symbiotic N did not suffice to an adequate growt... Mostrar Tudo |
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Palavras-Chave: |
Rhizobia. |
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Thesagro: |
Fertilizante Nitrogenado; Fixação de Nitrogênio; Inoculação; Phaseolus Vulgaris. |
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Thesaurus Nal: |
Nitrogen fertilizers; Nitrogen fixation; Seed inoculation. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225483/1/Early-nitrogen-supplementation-stimulates-2021.pdf
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Marc: |
LEADER 02547naa a2200265 a 4500
001 2133859
005 2021-08-30
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.4025/actasciagron.v43i1.55105$2DOI
100 1 $aZOFFOLI, B. C.
245 $aEarly nitrogen supplementation stimulates the nodulation and growth of common bean plants inoculated with rhizobium.$h[electronic resource]
260 $c2021
520 $aThe initial development of common bean plants (Phaseolus vulgaris L.) relying on symbiotic nitrogen (N) can be limited by delayed active N2 fixation, requiring supplemental N which in turn may inhibit the symbiosis. Five experiments were carried out in hydroponics to identify the initiation of nodulation and nitrogenase activity in common bean cultivars, and the effects of additions of mineral N on plant nodulation and growth. Three experiments evaluated the initial growth of five inoculated bean cultivars in the absence or presence of mineral N, and two experiments evaluated the effect of the moment of mineral N addition until the beginning of reproductive stage. The first root nodules appeared 10 days after plant transplant (DAT) and nitrogenase activity initiated 11 DAT. Cultivars of large seeds had lower initial nodulation and nitrogenase activity than those of small seeds. Inoculated plants showed limited shoot growth that lasted until 21-25 DAT as compared to inoculated plants receiving mineral N. Addition of mineral N reduced nodule mass more intensively than nodule number and more strongly nitrogenase activity. Nitrogen applied until 15 DAT enhanced nodulation and nitrogenase activity without limiting shoot growth, as compared to plants receiving N throughout their growth. Otherwise, plants that received N after 15 DAT had lower nodule mass and nitrogenase activity than plants only inoculated. The results indicate that symbiotic N did not suffice to an adequate growth of common beans and some supplemental N is necessary. This N should be added in the beginning of growth cycle to stimulate plant growth without inhibiting further nodulation and N fixation.
650 $aNitrogen fertilizers
650 $aNitrogen fixation
650 $aSeed inoculation
650 $aFertilizante Nitrogenado
650 $aFixação de Nitrogênio
650 $aInoculação
650 $aPhaseolus Vulgaris
653 $aRhizobia
700 1 $aBRITO, L. F.
700 1 $aSTRALIOTTO, R.
700 1 $aARAÚJO, A. P. de
773 $tActa Scientiarum. Agronomy$gv. 43, n. 1, e55105, 2021.
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Registro original: |
Embrapa Solos (CNPS) |
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| Registros recuperados : 17 | |
| 1. |  | ALVES, F. V.; FERRARI, B.; MENEZES, G. R. de O.; SILVA, E. V. C. e; KARVATTE JUNIOR, N.; MASTELARO, A. P.; FRANCO, R. A. L.; BARRETO, C. D. Thermography for evaluation of heat stress in beef cattle. In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 26., 2016, Santa Maria, RS. Cinquenta anos da Zootecnia no Brasil. anais... Vitória: Associação Brasileira de Zootecnistas, 2016.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Gado de Corte. |
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| 3. | | BIBERG, F. A.; SOUZA, A. R. D. L.; ALBERTINI, T. Z.; TORRES JUNIOR, R. A. de A.; MEDEIROS, S. R. de; AMARAL, T. B.; EUCLIDES FILHO, K.; SILVA, J. M.; LANNA, D. P. D.; CALEGARE, L. P. N.; TEDESCHI, L. O.; FOX, D. G.; MORAIS, G. M.; SILVA, E. V. C. Eficiência alimentar e exigências de vacas de corte de diferentes grupos genéticos e suas crias durante o período de pré-desmama. In: JORNADA CIENTÍFICA DA EMBRAPA GADO DE CORTE, 1., 2005, Campo Grande, MS: Embrapa Gado de Corte, 2005. 1 p.| Biblioteca(s): Embrapa Gado de Corte. |
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| 13. | | SILVA, E. V. C. da; SILVA, E. C. da; ARAÚJO, A. A. de; VENTURIERI, G. C. Análise físico-química, microbiológica e sensorial de méis de abelha (Apis mellifera) nos municípios de Vigia, Igarapé Açu e Bragança. In: CONGRESSO BRASILEIRO DE CIÊNCIA E TECNOLOGIA DE ALIMENTOS, 20., 2006, Curitiba. Alimentos e agroindústrias brasileiras no contexto internacional: anais. Curitiba: Sociedade Brasileira de Ciência e Tecnologia de Alimentos, 2006. 1 CD-ROM.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 17. | | SOUZA, A. R. D. L.; BIBERG, F. A.; ALBERTINI, T. Z.; TORRES JUNIOR, R. A. de A.; MEDEIROS, S. R. de; AMARAL, T. B.; EUCLIDES, V. P. B.; EUCLIDES FILHO, K.; SILVA, J. M.; LANNA, D. P. D.; CALEGARE, L. P. N.; TEDESCHI, L. O.; FOX, D. G.; MORAIS, G. M.; SILVA, E. V. C. Eficiência alimentar e exigências de vacas de corte de diferentes grupos genéticos em condições de pastejo. In: JORNADA CIENTÍFICA DA EMBRAPA GADO DE CORTE, 1., 2005, Campo Grande, MS: Embrapa Gado de Corte, 2005. 1 p.| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 17 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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