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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Corte; Embrapa Pecuária Sul. |
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Data corrente: |
23/10/2012 |
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Data da última atualização: |
07/02/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
BARBOSA, R. A.; NASCIMENTO JÚNIOR, D. do; VILELA, H. H.; SOUSA, B. M. de L.; SILVA, S. C. da; EUCLIDES, V. P. B.; SILVEIRA, M. C. T. da. |
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Afiliação: |
RODRIGO AMORIM BARBOSA, CNPGC; DOMICIO DO NASCIMENTO JÚNIOR, UFV; HÉLIO HENRIQUE VILELA, UFV; BRAULIO MAIA DE LANA SOUSA, UFV; SILA CARNEIRO DA SILVA, USP ESALQ; VALERIA PACHECO BATISTA EUCLIDES, CNPGC; MARCIA CRISTINA T DA SILVEIRA, CPPSUL. |
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Título: |
Morphogenetic and structural characteristics of guinea grass tillers at different ages under intermittent stocking. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, MG, v. 41, n. 7, p. 1583-1588, jul. 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this research was to assess morphogenetic and structural characteristics of tillers of guinea grass cv. Tanzania at different ages. The pastures of guinea grass were managed in six pasture conditions related to the combination of three frequencies (90, 95, and 99% light interception) and two post-grazing heights (25 and 50 cm). In these six pastures conditions, three tiller ages were evaluated (young, mature, and old). The design was of completely randomized block with three replications. Young tillers exhibited higher leaf appearance rate and leaf elongation rate and, consequently, higher final leaf length and number of live leaves than mature and old tillers, regardless of the pasture condition. On pastures managed with 90 or 95% light interception associated with a post-grazing height of 25 cm, old tillers presented longer leaf lifespan than young and mature ones. There is a progressive reduction in the vigor of growth of pastures of guinea grass cv. Tanzania with advancing tiller age. |
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Thesagro: |
Panicum Maximum; Pastagem. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/76156/1/valeria.pdf
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/68492/1/RBZ-41-7-SILVEIRA.pdf
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Marc: |
LEADER 01735naa a2200217 a 4500
001 1948635
005 2013-02-07
008 2012 bl uuuu u00u1 u #d
100 1 $aBARBOSA, R. A.
245 $aMorphogenetic and structural characteristics of guinea grass tillers at different ages under intermittent stocking.$h[electronic resource]
260 $c2012
520 $aThe objective of this research was to assess morphogenetic and structural characteristics of tillers of guinea grass cv. Tanzania at different ages. The pastures of guinea grass were managed in six pasture conditions related to the combination of three frequencies (90, 95, and 99% light interception) and two post-grazing heights (25 and 50 cm). In these six pastures conditions, three tiller ages were evaluated (young, mature, and old). The design was of completely randomized block with three replications. Young tillers exhibited higher leaf appearance rate and leaf elongation rate and, consequently, higher final leaf length and number of live leaves than mature and old tillers, regardless of the pasture condition. On pastures managed with 90 or 95% light interception associated with a post-grazing height of 25 cm, old tillers presented longer leaf lifespan than young and mature ones. There is a progressive reduction in the vigor of growth of pastures of guinea grass cv. Tanzania with advancing tiller age.
650 $aPanicum Maximum
650 $aPastagem
700 1 $aNASCIMENTO JÚNIOR, D. do
700 1 $aVILELA, H. H.
700 1 $aSOUSA, B. M. de L.
700 1 $aSILVA, S. C. da
700 1 $aEUCLIDES, V. P. B.
700 1 $aSILVEIRA, M. C. T. da
773 $tRevista Brasileira de Zootecnia, Viçosa, MG$gv. 41, n. 7, p. 1583-1588, jul. 2012.
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Embrapa Gado de Corte (CNPGC) |
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