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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
09/03/2010 |
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Data da última atualização: |
09/03/2010 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOARES, L. H. de B.; ALVES, B. J. R.; URQUIAGA, S.; BODDEY, R. M. |
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Afiliação: |
LUIS HENRIQUE DE BARROS SOARES, CNPAB; BRUNO JOSE RODRIGUES ALVES, CNPAB; SEGUNDO URQUIAGA, EMBRAPA AGROBIOLOGIA; ROBERT MICHAEL BODDEY, CNPAB. |
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Título: |
Mitigação das emissões de gases de efeito estufa : uso de etanol da cana-de-açúcar produzido no Brasil. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Agroanalisys, São Paulo, v. 29, n. 4, abr. 2009 |
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Idioma: |
Português |
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Notas: |
Número especial Embrapa |
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Palavras-Chave: |
Agroenergia; Balanço energético; Bioetanol. |
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Categoria do assunto: |
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Marc: |
LEADER 00591naa a2200193 a 4500
001 1660454
005 2010-03-09
008 2009 bl --- 0-- u #d
100 1 $aSOARES, L. H. de B.
245 $aMitigação das emissões de gases de efeito estufa$buso de etanol da cana-de-açúcar produzido no Brasil.
260 $c2009
500 $aNúmero especial Embrapa
653 $aAgroenergia
653 $aBalanço energético
653 $aBioetanol
700 1 $aALVES, B. J. R.
700 1 $aURQUIAGA, S.
700 1 $aBODDEY, R. M.
773 $tAgroanalisys, São Paulo$gv. 29, n. 4, abr. 2009
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte; Embrapa Meio-Norte; Embrapa Roraima. |
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Data corrente: |
22/08/2022 |
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Data da última atualização: |
05/01/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 2 |
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Autoria: |
COSTA, N. de L.; JANK, L.; MAGALHAES, J. A.; BENDAHAN, A. B.; RODRIGUES, B. H. N.; SANTOS, F. J. de S. |
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Afiliação: |
NEWTON DE LUCENA COSTA, CPAF-RR; LIANA JANK, CNPGC; JOAO AVELAR MAGALHAES, CPAMN; AMAURY BURLAMAQUI BENDAHAN, CPAF-RR; BRAZ HENRIQUE NUNES RODRIGUES, CPAMN; FRANCISCO JOSE DE SEIXAS SANTOS, CPAMN. |
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Título: |
Agronomic performance and chemical composition of genotypes and cultivars of Megathyrsus maximus in Roraima's savannas. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Research, Society and Development, v. 11, n. 9, e55011932285, 2022. |
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Idioma: |
Inglês
Português |
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Conteúdo: |
The agronomic performance of 23 genotypes and six commercial cultivars of Megathyrsus maximus was evaluatet under natural field conditions at the Roraima's savannas, during the period of June 2015 to September 2019. The evaluated parameters were green dry matter (GDM) yield, leaf, stem and dead DM yields, crude protein (CP) contents, concentrations of neutral detergent fiber and acid detergent fiber. The genotypes and cultivars evaluated affected the yields and the chemical composition of the forage. The most promising genotypes showed superior agronomic performance than the commercial cultivars evaluated. The genotypes B 16; PM10; PM40 and PM14 showed the highest green dry matter yields and forage with better nutritional quality, higher CP and lower fiber contents. These showed average yields of 5,103 and 3,925 kg ha-¹, for green DM and leaf DM, respectively, which represented increments of 20.7 and 12.8%, compared with those registered for the commercial cultivars. The genotype PM15 evidenced the highest productive performance during the dry season, constituting an option for regions with climatic restrictions, notably reduced rainfall. All genotypes and cultivars showed seasonal growth. The genotypes that showed the best seasonal distribution of forage production were PM11, PM36, PM30 and PM33, which provided 47.9; 46.8; 41.0 and 40.7% of GDM production during the dry season. In general, higher crude protein and lower fiber contents were directly correlated with the percentage of leaves in the available forage. The evaluated genotypes presented great genetic variability for the accumulation of forage and its chemical composition that can subsidize the generation of new commercial cultivars. MenosThe agronomic performance of 23 genotypes and six commercial cultivars of Megathyrsus maximus was evaluatet under natural field conditions at the Roraima's savannas, during the period of June 2015 to September 2019. The evaluated parameters were green dry matter (GDM) yield, leaf, stem and dead DM yields, crude protein (CP) contents, concentrations of neutral detergent fiber and acid detergent fiber. The genotypes and cultivars evaluated affected the yields and the chemical composition of the forage. The most promising genotypes showed superior agronomic performance than the commercial cultivars evaluated. The genotypes B 16; PM10; PM40 and PM14 showed the highest green dry matter yields and forage with better nutritional quality, higher CP and lower fiber contents. These showed average yields of 5,103 and 3,925 kg ha-¹, for green DM and leaf DM, respectively, which represented increments of 20.7 and 12.8%, compared with those registered for the commercial cultivars. The genotype PM15 evidenced the highest productive performance during the dry season, constituting an option for regions with climatic restrictions, notably reduced rainfall. All genotypes and cultivars showed seasonal growth. The genotypes that showed the best seasonal distribution of forage production were PM11, PM36, PM30 and PM33, which provided 47.9; 46.8; 41.0 and 40.7% of GDM production during the dry season. In general, higher crude protein and lower fiber contents were directly correlated with... Mostrar Tudo |
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Palavras-Chave: |
Fiber; Green dry matter. |
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Thesagro: |
Composição Química; Folha; Forragem; Genótipo; Proteína Bruta. |
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Thesaurus NAL: |
Chemical composition; Crude protein; Cultivars; Dry matter content; Forage; Genotype; Leaves; Megathyrsus maximus. |
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Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145641/1/RSD-2022-Agronomic-performance-and-chemical-composition-of-genotypes-and-cultivars-of-Megathyrsus-maximus-in-Roraimas-savannas-1.pdf
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Marc: |
LEADER 02763naa a2200361 a 4500
001 2145641
005 2023-01-05
008 2022 bl uuuu u00u1 u #d
100 1 $aCOSTA, N. de L.
245 $aAgronomic performance and chemical composition of genotypes and cultivars of Megathyrsus maximus in Roraima's savannas.$h[electronic resource]
260 $c2022
520 $aThe agronomic performance of 23 genotypes and six commercial cultivars of Megathyrsus maximus was evaluatet under natural field conditions at the Roraima's savannas, during the period of June 2015 to September 2019. The evaluated parameters were green dry matter (GDM) yield, leaf, stem and dead DM yields, crude protein (CP) contents, concentrations of neutral detergent fiber and acid detergent fiber. The genotypes and cultivars evaluated affected the yields and the chemical composition of the forage. The most promising genotypes showed superior agronomic performance than the commercial cultivars evaluated. The genotypes B 16; PM10; PM40 and PM14 showed the highest green dry matter yields and forage with better nutritional quality, higher CP and lower fiber contents. These showed average yields of 5,103 and 3,925 kg ha-¹, for green DM and leaf DM, respectively, which represented increments of 20.7 and 12.8%, compared with those registered for the commercial cultivars. The genotype PM15 evidenced the highest productive performance during the dry season, constituting an option for regions with climatic restrictions, notably reduced rainfall. All genotypes and cultivars showed seasonal growth. The genotypes that showed the best seasonal distribution of forage production were PM11, PM36, PM30 and PM33, which provided 47.9; 46.8; 41.0 and 40.7% of GDM production during the dry season. In general, higher crude protein and lower fiber contents were directly correlated with the percentage of leaves in the available forage. The evaluated genotypes presented great genetic variability for the accumulation of forage and its chemical composition that can subsidize the generation of new commercial cultivars.
650 $aChemical composition
650 $aCrude protein
650 $aCultivars
650 $aDry matter content
650 $aForage
650 $aGenotype
650 $aLeaves
650 $aMegathyrsus maximus
650 $aComposição Química
650 $aFolha
650 $aForragem
650 $aGenótipo
650 $aProteína Bruta
653 $aFiber
653 $aGreen dry matter
700 1 $aJANK, L.
700 1 $aMAGALHAES, J. A.
700 1 $aBENDAHAN, A. B.
700 1 $aRODRIGUES, B. H. N.
700 1 $aSANTOS, F. J. de S.
773 $tResearch, Society and Development$gv. 11, n. 9, e55011932285, 2022.
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Registro original: |
Embrapa Roraima (CPAF-RR) |
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