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| 122. |  | MENDES, I. de C.; SILVA, L. G. da; REIS JÚNIOR, F. B. dos; TÓTOLA, M. R.; VILELA, L. Cálculo de um índice de qualidade do solo para diferentes agroecossistemas do Cerrado. In: SIMPÓSIO NACIONAL CERRADO, 9.; SIMPÓSIO INTERNACIONAL SAVANAS TROPICAIS, 2., 2008, Brasília, DF. Desafios e estratégias para o equilíbrio entre sociedade, agronegócio e recursos naturais: anais... Planaltina, DF: Embrapa Cerrados, 2008. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 123. | | REIS JÚNIOR, F. B. dos; MACHADO, C. T. de T.; MACHADO, A. T.; ROLIM, L. F. L. S.; SODEK, L. Comportamento de dois genótipos de milho sob diferentes doses e formas de nitrogênio e inoculação com Azospirillum amazonense em um ensaio de casa-de-vegetação. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 23., 2005, Santos, SP. Resumos. Santos: Sociedade Brasileira de Microbiologia, 2005. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 125. | | RIBEIRO JUNIOR, W. Q.; SANDRI, G. F.; REIS JUNIOR, F. B. dos; REIS, V.; RAMOS, M. L. G. Inoculação de bactérias simbióticas, em genótipos de trigo irrigado em latossolo do Braisl central. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 33., 2011, Uberlândia. Solos nos biomas brasileiros: sustentabilidade e mudanças climáticas. Uberlândia: Sociedade Brasileira de Ciência do Solo, 2011. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 126. | | RIBEIRO JUNIOR, W. Q.; SANDRI, G. F.; REIS JUNIOR, F. B. dos; REIS, V.; RAMOS, M. L. G. Inoculação de bacterias simbioticas, em genotipos de trigo irrigado em latossolo do brasil central. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 33., 2011, Uberlândia. Solos nos biomas brasileiros: sustentabilidade e mudanças climáticas: anais. [Uberlândia]: SBCS: UFU, ICIAG, 2011.| Biblioteca(s): Embrapa Agrobiologia. |
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| 127. | | MACHADO, C. T. de T.; MACHADO, A. T.; REIS JUNIOR, F. B. dos; VIDAL, M. C.; SILVA, O. G. da. Manejo agroecológico de agroecossistemas em comunidades rurais e assentamentos da Região Centro-Oeste com ênfase nas plantas de cobertura: conceituação, síntese metodológica e experiências locais. In: MACHADO, A. T.; NASS, L. L.; MACHADO, C. T. de T. (Ed. Técnico). Manejo sustentável da agrobiodiversidade nos biomas cerrado e caatinga: com ênfase em comunidades rurais. Planaltina, DF: Embrapa Cerrados, 2011. p. 316-352.| Biblioteca(s): Embrapa Hortaliças. |
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| 128. | | SOUZA, C. A. de; REIS JUNIOR, F. B. dos; MENDES, I. de C.; LEMAINSKI, J.; SILVA, J. E. da. Lodo de esgoto em atributos biológicos do solo e na nodulação e produção de soja. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 44, n. 10, p. 1319-1327, out. 2009. Título em inglês: Sewage sludge effects on soil biological parameters and on soybean nodulation and yield.| Biblioteca(s): Embrapa Agricultura Digital; Embrapa Unidades Centrais. |
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| 129. | | SOUZA, C. A. de; REIS JUNIOR, F. B. dos; MENDES, I. de C.; LEMAINSKI, J.; SILVA, J. E. da. Lodo de esgoto em atributos biológicos do solo e na nodulação e produção de soja. Pesquisa Agropecuária Brasileira, Brasília, v. 44, n. 10, p. 1319-1327, out. 2009.| Biblioteca(s): Embrapa Cerrados. |
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| 130. | | PIRES, R. C.; REIS JUNIOR, F. B. dos; ZILLI, J. E.; JAMES, E. K.; SIMON, M. F. Influência das características do solo na presença de bactérias diazotróficas em simbiose com diferentes espécies de Mimosa In: REUNIÃO LATINOAMERICANA DE RIZOBIOLOGIA, 27., 2016, Londrina. Fortalecendo as parcerias Sul-Sul: anais. Curitiba: SBCS-NEPAR, 2016. 308 p. Editado por Mariangle Hungria, Douglas Fabiano Gomes, Arnaldo Colozzi Filho. RELAR 2016. p.159| Biblioteca(s): Embrapa Agrobiologia. |
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| 131. | | ANDRADE, L. R. M. de; AQUINO, F. de G.; REIS JUNIOR, F. B. dos; PACHÊCO, B. S.; ECHEVARRIA, G. Potencial de uso de espécies vegetais nativas dos complexos ultramáficos de Barro Alto (GO) nos processos de recuperação de áreas alteradas pela extração de Ni, de fitoextração e fitomineração In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 35., 2015, Natal. O solo e suas múltiplas funções: anais. Natal: Sociedade Brasileira de Ciência do Solo, 2015.| Biblioteca(s): Embrapa Cerrados. |
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| 135. | | DALL'AGNOL, R. F.; PLOTEGHER, F.; SOUZA, R. C.; MENDES, I. de C.; REIS JUNIOR, F. B. dos; BÉNA, G.; MOULIN, L.; HUNGRIA, M. Paraburkholderia nodosa is the main N2-fixing species trapped by promiscuous common bean (Phaseolus vulgaris L.) in the Brazilian 'Cerradão'. FEMS Microbiology Ecology, 2016, v. 92, n. 8, 14 p., nov. 2016.| Biblioteca(s): Embrapa Cerrados; Embrapa Soja. |
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| 136. | | ARAÚJO, J. S. de P.; REIS JÚNIOR, F. B. dos; CRUZ, G. B.; OLIVEIRA, B. C. de; ROBBS, C. F.; RIBEIRO, R. de L. D.; POLIDORO, J. C. Produção e caracterização de anticorpos policlonais contra Xanthomonas campestris pv. viticola. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 40, n. 3, p. 305-309, mar. 2005. Production and characterization of polyclonal antibodies against Xanthomonas campestris pv. viticola.| Biblioteca(s): Embrapa Agrobiologia. |
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| 138. | | LOPES, A. A. DE C.; NUNES, R. DE S.; SOUSA, D. M. G. de; PEREIRA, C. D.; REIS JUNIOR, F. B. dos; MENDES, I. de C. Glomalina, atividade de fosfatase ácida e matéria orgânica em um latossolo vermelho sob vegetação nativa de cerrado e sob diferentes sistemas de preparo e doses de fósforo. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 33., 2011, Uberlândia. Solos nos biomas brasileiros: sustentabilidade e mudanças climáticas. Uberlândia: Sociedade Brasileira de Ciência do Solo, 2011. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 139. | | MEGÍAS, M. E.; PIRES, R. C.; MOYANO, I.; REIS JUNIOR, F. B. dos; OLLERO, F. J.; SIMON, M.; ZILLI, J. E.; MEGÍAS, M. Identification and characterization of rhizobia isolated from nodules of Mimosa spp.which efficiently nodulate Phaseolus vulgaris. In: INTERNATIONAL CONGRESS ON NITROGEN FIXATION, 20., 2017, Granada, Spain. Proceedings... Granada:University of Granada, 2017. p. 91| Biblioteca(s): Embrapa Agrobiologia. |
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| 140. | | ROLIM, L.; SANTIAGO, T. R.; REIS JUNIOR, F. B. dos; MENDES, I. de C.; DO VALE, H. M. M.; HUNGRIA, M.; SILVA, L. P. Identification of soybean Bradyrhizobium strains used in commercial inoculants in Brazil by MALDI-TOF mass spectrometry. Brazilian Journal of Microbiology, v. 50, n. 4, p. 905-914, 2019.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia; Embrapa Soja. |
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| Registros recuperados : 273 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
26/02/2001 |
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Data da última atualização: |
26/02/2001 |
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Autoria: |
REIS, V. M.; REIS JÚNIOR, F. B. dos; QUESADA, D. M.; OLIVEIRA, O. C. de; ALVES, B. J. R.; URQUIAGA, S.; BODDEY, R. M. |
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Título: |
Biological nitrogen fixation associated with tropical pasture grasses. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Australian Journal of Plant Physiology, Victoria, v. 28, n. 9, p. 837-844, 2001. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were most commonly associated with shoots and roots the Pennísetum genotypes were of the genus Herbaspirillum, but predominantly of a recently described new species. The Brachíaria spp. from three different sites! Rio de Janeiro, Goânia, Bahia) were predominately colonised by Azospirillum spp., most of the isolates being of the species Azospirillum amazonense. Very few Herbaspirilla were isolated from these plants. MenosThe semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were mos... Mostrar Tudo |
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Palavras-Chave: |
Biological nitrogen fixation; BNF; Elephant grass; FBN; Fixação biológica de nitrogênio. |
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Thesagro: |
Capim Elefante; Gramínea Tropical; Pennisetum Purpureum. |
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Thesaurus NAL: |
grasses. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02777naa a2200301 a 4500
001 1598478
005 2001-02-26
008 2001 bl --- 0-- u #d
100 1 $aREIS, V. M.
245 $aBiological nitrogen fixation associated with tropical pasture grasses.
260 $c2001
520 $aThe semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were most commonly associated with shoots and roots the Pennísetum genotypes were of the genus Herbaspirillum, but predominantly of a recently described new species. The Brachíaria spp. from three different sites! Rio de Janeiro, Goânia, Bahia) were predominately colonised by Azospirillum spp., most of the isolates being of the species Azospirillum amazonense. Very few Herbaspirilla were isolated from these plants.
650 $agrasses
650 $aCapim Elefante
650 $aGramínea Tropical
650 $aPennisetum Purpureum
653 $aBiological nitrogen fixation
653 $aBNF
653 $aElephant grass
653 $aFBN
653 $aFixação biológica de nitrogênio
700 1 $aREIS JÚNIOR, F. B. dos
700 1 $aQUESADA, D. M.
700 1 $aOLIVEIRA, O. C. de
700 1 $aALVES, B. J. R.
700 1 $aURQUIAGA, S.
700 1 $aBODDEY, R. M.
773 $tAustralian Journal of Plant Physiology, Victoria$gv. 28, n. 9, p. 837-844, 2001.
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