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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
28/09/2011 |
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Data da última atualização: |
22/11/2011 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BARBOSA, R. A.; NASCIMENTO JÚNIOR, D. do; VILELA, H. H; SILVA, S. C. da; EUCLIDES, V. P. B.; SBRISSIA, A. F.; SOUSA, B. M. de L. |
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Afiliação: |
RODRIGO AMORIM BARBOSA, CNPGC; Domicio do Nascimento Júnior, Universidade Federal de Viçosa, Departamento de Zootecnia, Viçosa/MG.; Hélio Henrique Vilela, Universidade Federal de Viçosa, Departamento de Zootecnia, Viçosa/MG.; Sila Carneiro da Silva, Universidade de São Paulo, Escola Superior de Agricultura “Luiz de Queiroz”, Departamento de Zootecnia, Piracicaba/SP.; VALERIA PACHECO BATISTA EUCLIDES, CNPGC; André Fischer Sbrissia, Universidade do Estado de Santa Catarina, Departamento de Produção Animal e Alimentos, Lages/SC; Braulio Maia de Lana Sousa, Universidade Federal de Viçosa, Departamento de Zootecnia, Viçosa/MG. |
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Título: |
Morphogenetic and structural characteristics of guinea grass pastures submitted to three frequencies and two defoliation severities. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia,v.40, n.5, p.947-954, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
It was evaluated the morphogenic and structural characteristics of guinea grass under rotational at three grazing intervals and two defoliation intensities. Grazing intervals corresponded to the time needed by the forage canopy to reach 90, 95 or 100% of incident light interception during regrowth and they were evaluated combined to two defoliation severities (post-grazing conditions, 25 and 50 cm of height), being allocated to experimental units according to a complete randomized design, with three replicates and 3 × 2 factorial arrangement. The experiment was conducted from July 2003 to May 2004. For evaluation of morphogenetic and structural characteristics, ten tillers per experimental unit were selected. Morphogenetic and structural characteristics were strongly influenced by seasons of the year inasmuch as leaf elongation rate increased 3.5 fold from winter to summer. In addition to year season effect, there was also an effect of defoliation frequencies on tiller population density, which was greater in the defoliation period corresponding to 90% of light interception, especially if evaluated in relation to the interval corresponding to 100% of light interception. Defoliation frequency is determinant in expression of phenotypic plasticit, acting on the control of stem elongation. |
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Palavras-Chave: |
Manejo do pastejo. |
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Thesagro: |
Panicum Maximum; Pastagem. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/42584/1/valeria2.pdf
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Marc: |
LEADER 02042naa a2200229 a 4500
001 1901685
005 2011-11-22
008 2011 bl uuuu u00u1 u #d
100 1 $aBARBOSA, R. A.
245 $aMorphogenetic and structural characteristics of guinea grass pastures submitted to three frequencies and two defoliation severities.$h[electronic resource]
260 $c2011
520 $aIt was evaluated the morphogenic and structural characteristics of guinea grass under rotational at three grazing intervals and two defoliation intensities. Grazing intervals corresponded to the time needed by the forage canopy to reach 90, 95 or 100% of incident light interception during regrowth and they were evaluated combined to two defoliation severities (post-grazing conditions, 25 and 50 cm of height), being allocated to experimental units according to a complete randomized design, with three replicates and 3 × 2 factorial arrangement. The experiment was conducted from July 2003 to May 2004. For evaluation of morphogenetic and structural characteristics, ten tillers per experimental unit were selected. Morphogenetic and structural characteristics were strongly influenced by seasons of the year inasmuch as leaf elongation rate increased 3.5 fold from winter to summer. In addition to year season effect, there was also an effect of defoliation frequencies on tiller population density, which was greater in the defoliation period corresponding to 90% of light interception, especially if evaluated in relation to the interval corresponding to 100% of light interception. Defoliation frequency is determinant in expression of phenotypic plasticit, acting on the control of stem elongation.
650 $aPanicum Maximum
650 $aPastagem
653 $aManejo do pastejo
700 1 $aNASCIMENTO JÚNIOR, D. do
700 1 $aVILELA, H. H
700 1 $aSILVA, S. C. da
700 1 $aEUCLIDES, V. P. B.
700 1 $aSBRISSIA, A. F.
700 1 $aSOUSA, B. M. de L.
773 $tRevista Brasileira de Zootecnia,v.40$gn.5, p.947-954, 2011.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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Biblioteca |
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Classificação |
Cutter |
Registro |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
16/02/2008 |
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Data da última atualização: |
05/06/2013 |
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Tipo da produção científica: |
Documentos |
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Autoria: |
RODRIGUES, W. F.; GOMES, G. C.; MEDEIROS, A. R. M. de; BARBIERI, R. L. |
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Título: |
Espécies arbóreas da Serra dos Tapes: um resgate etnobotânico. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Pelotas: Embrapa Clima Temperado, 2007. |
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Páginas: |
66 p. |
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Série: |
(Embrapa Clima Temperado. Documentos, 190). |
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Idioma: |
Português |
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Palavras-Chave: |
Planta bioativa. |
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Thesagro: |
Etnobôtanica; Madeira. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/40069/1/documento-190.pdf
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Marc: |
LEADER 00559nam a2200193 a 4500
001 1745873
005 2013-06-05
008 2007 bl uuuu 00u1 u #d
100 1 $aRODRIGUES, W. F.
245 $aEspécies arbóreas da Serra dos Tapes$bum resgate etnobotânico.
260 $aPelotas: Embrapa Clima Temperado$c2007
300 $a66 p.
490 $a(Embrapa Clima Temperado. Documentos, 190).
650 $aEtnobôtanica
650 $aMadeira
653 $aPlanta bioativa
700 1 $aGOMES, G. C.
700 1 $aMEDEIROS, A. R. M. de
700 1 $aBARBIERI, R. L.
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Embrapa Clima Temperado (CPACT) |
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