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Registro Completo |
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Biblioteca(s): |
Embrapa Gado de Corte. |
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Data corrente: |
31/03/2012 |
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Data da última atualização: |
31/03/2012 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MONTAGNER, D. B.; NASCIMENTO JÚNIOR, D. do; SOUSA, B. M. de L.; VILELA, H. H.; EUCLIDES, V. P. B.; SILVA, S. C. da; SBRISSIA, A. F.; CARLOTO, M. N. |
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Afiliação: |
DENISE BAPTAGLIN MONTAGNER, CNPGC; Domicio do Nascimento Júnior, UFV; Braulio Maia de Lana Sousa, UFV; Hélio Henrique Vilela, UFV; VALERIA PACHECO BATISTA EUCLIDES, CNPGC; Sila Carneiro da Silva, USP/ESALQ, Piracicaba, SP; André Fischer Sbrissia, UDESC, Lages, SC.; Marciele Neves Carloto. |
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Título: |
Morphogenetic and structural characteristics of tillers of guinea grass of different age and grazing severities. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Revista Brasileira de Zootecnia, v.40, n.10, p.2105-2110, 2011. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this research was to evaluate the effects of tiller age on morphogenic and structural characteristics of guinea grass cv. Mombaca subjected to intermittent stocking and three stubble heights: 30 cm, 50 cm and 50-30 cm. Stubble heights were assigned to experimental units in a completely randomized block design with three replicates. Grazing was performed when canopy intercepted 95% of light incidence. Leaf appearance rate, leaf elongation rate and number of live leaves per tiller were higher in the summer when compared with the winter. Contrarily, stem elongation rate, phyllochron and leaf lifespan were lower in the summer when compared with the winter. During the summer, young tillers had higher leaf appearance and elongation rates when compared with the older ones. Young and mature tillers had the highest values of live leaves per tiller in the summer. There was no difference between summer and winter for the final length of leaf blade between tillers of the same age, except in mature tillers, which had higher final leaf length during the summer. Senescence rate of leaves was higher in young tillers, followed by mature and old tillers. Age of tiller affects morphogenic and structural characteristics of pasture, showing that young tillers have better growth compared with mature and old tillers. |
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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/56880/1/valeria.pdf
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Marc: |
LEADER 02050naa a2200229 a 4500
001 1921300
005 2012-03-31
008 2011 bl uuuu u00u1 u #d
100 1 $aMONTAGNER, D. B.
245 $aMorphogenetic and structural characteristics of tillers of guinea grass of different age and grazing severities.$h[electronic resource]
260 $c2011
520 $aThe objective of this research was to evaluate the effects of tiller age on morphogenic and structural characteristics of guinea grass cv. Mombaca subjected to intermittent stocking and three stubble heights: 30 cm, 50 cm and 50-30 cm. Stubble heights were assigned to experimental units in a completely randomized block design with three replicates. Grazing was performed when canopy intercepted 95% of light incidence. Leaf appearance rate, leaf elongation rate and number of live leaves per tiller were higher in the summer when compared with the winter. Contrarily, stem elongation rate, phyllochron and leaf lifespan were lower in the summer when compared with the winter. During the summer, young tillers had higher leaf appearance and elongation rates when compared with the older ones. Young and mature tillers had the highest values of live leaves per tiller in the summer. There was no difference between summer and winter for the final length of leaf blade between tillers of the same age, except in mature tillers, which had higher final leaf length during the summer. Senescence rate of leaves was higher in young tillers, followed by mature and old tillers. Age of tiller affects morphogenic and structural characteristics of pasture, showing that young tillers have better growth compared with mature and old tillers.
650 $aPanicum Maximum
650 $aPastagem
700 1 $aNASCIMENTO JÚNIOR, D. do
700 1 $aSOUSA, B. M. de L.
700 1 $aVILELA, H. H.
700 1 $aEUCLIDES, V. P. B.
700 1 $aSILVA, S. C. da
700 1 $aSBRISSIA, A. F.
700 1 $aCARLOTO, M. N
773 $tRevista Brasileira de Zootecnia$gv.40, n.10, p.2105-2110, 2011.
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Registro original: |
Embrapa Gado de Corte (CNPGC) |
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Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Trigo. Para informações adicionais entre em contato com cnpt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
13/09/1994 |
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Data da última atualização: |
13/09/1994 |
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Autoria: |
MORAES FERNANDES, M. I. B. de. |
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Título: |
O trigo nosso de cada dia; domesticar o grão. |
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Ano de publicação: |
1985 |
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Fonte/Imprenta: |
Ciência Hoje, Rio de Janeiro, v. 3, n. 17, p. 36-45, mar./abr. 1985. |
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Idioma: |
Português |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00338naa a2200109 a 4500
001 1823442
005 1994-09-13
008 1985 bl uuuu u00u1 u #d
100 1 $aMORAES FERNANDES, M. I. B. de
245 $aO trigo nosso de cada dia; domesticar o grão.
260 $c1985
773 $tCiência Hoje, Rio de Janeiro$gv. 3, n. 17, p. 36-45, mar./abr. 1985.
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Embrapa Trigo (CNPT) |
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