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| Registros recuperados : 3 | |
| 2. |  | SBRISSIA, A. F.; SILVA, S. C. da; MATTHEW, C.; CARVALHO, C. A. B. de; CARNEVALLI, R. A.; PINTO, L. F. de M.; FAGUNDES, J. L.; PEDREIRA, C. G. S. Tiller size/density compensation in grazed Tifton 85 bermudagrass swards. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 38, n. 12, p. 1459-1468, dez. 2003 Título em português: Compensação tamanho/densidade populacional de perfilhos em pastos de Tifton 85.| Biblioteca(s): Embrapa Unidades Centrais. |
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| 3. | | SILVA, S. C. da; BUENO, A. A. de O.; CARNEVALLI, R. A.; UEBELE, M. C.; BUENO, F. O.; HODGSON, J.; MATTHEW, C.; ARNOLD, G. C.; MORAIS, J. P. G. de. Sward structural characteristics and herbage accumulation of Panicum maximum cv. Mombaça subjected to rotational stocking managements. Scientia Agrícola, v. 66, n. 1, p. 8-19, 2009.| Biblioteca(s): Embrapa Gado de Leite. |
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| Registros recuperados : 3 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Unidades Centrais. |
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Data corrente: |
13/02/2004 |
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Data da última atualização: |
29/10/2018 |
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Autoria: |
SBRISSIA, A. F.; SILVA, S. C. da; MATTHEW, C.; CARVALHO, C. A. B. de; CARNEVALLI, R. A.; PINTO, L. F. de M.; FAGUNDES, J. L.; PEDREIRA, C. G. S. |
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Afiliação: |
André Fischer Sbrissia, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Sila Carneiro da Silva, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Cory Matthew, Massey University/Institute of Natural Resources; Carlos Augusto Brandão de Carvalho, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Roberta Aparecida Carnevalli, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Luiz Felipe de Moura Pinto, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Jaílson Lara Fagundes, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia; Carlos Guilherme Silveira Pedreira, Escola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de ZootecniaEscola Superior de Agricutura Luiz de Queiroz - Esalq/Departamento de Zootecnia. |
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Título: |
Tiller size/density compensation in grazed Tifton 85 bermudagrass swards. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 38, n. 12, p. 1459-1468, dez. 2003 |
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Idioma: |
Inglês |
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Notas: |
Título em português: Compensação tamanho/densidade populacional de perfilhos em pastos de Tifton 85. |
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Conteúdo: |
The objective of this study was to evaluate the occurrence of the tiller size/density compensation mechanism in Tifton 85 bermudagrass swards grazed by sheep under continuous stocking. Treatments corresponded to four sward steady state conditions (5, 10, 15, and 20 cm of sward surface height), maintained by sheep grazing. The experimental design was a complete randomized block with four replicates. Pasture responses evaluated include: tiller population density, tiller mass, leaf mass and leaf area per tiller, and herbage mass. Tiller volume, leaf area index, tiller leaf/stem ratio, and tiller leaf area/volume ratio were calculated and simple regression analyses between tiller population density and tiller mass were performed. Measurements were made in December, 1998, and January, April, and July, 1999. The swards showed a tiller size/density compensation mechanism in which high tiller population densities were associated with small tillers and vice-versa, except in July, 1999. Regression analyses revealed that linear coefficients were steeper than the theoretical expectation of -3/2. Increments in herbage mass were attributable to increases in tiller mass in December and January. Leaf area/volume ratio values of Tifton 85 tillers were much lower than those commonly found for temperate grass species. |
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Palavras-Chave: |
densidade; índice de superfície foliar. |
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Thesagro: |
Massa; Morfologia Vegetal. |
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Thesaurus NAL: |
Cynodon; density; leaf area index; mass; plant morphology. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/108446/1/Tiller.pdf
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Marc: |
LEADER 02324naa a2200325 a 4500
001 1109696
005 2018-10-29
008 2003 bl uuuu u00u1 u #d
100 1 $aSBRISSIA, A. F.
245 $aTiller size/density compensation in grazed Tifton 85 bermudagrass swards.
260 $c2003
500 $aTítulo em português: Compensação tamanho/densidade populacional de perfilhos em pastos de Tifton 85.
520 $aThe objective of this study was to evaluate the occurrence of the tiller size/density compensation mechanism in Tifton 85 bermudagrass swards grazed by sheep under continuous stocking. Treatments corresponded to four sward steady state conditions (5, 10, 15, and 20 cm of sward surface height), maintained by sheep grazing. The experimental design was a complete randomized block with four replicates. Pasture responses evaluated include: tiller population density, tiller mass, leaf mass and leaf area per tiller, and herbage mass. Tiller volume, leaf area index, tiller leaf/stem ratio, and tiller leaf area/volume ratio were calculated and simple regression analyses between tiller population density and tiller mass were performed. Measurements were made in December, 1998, and January, April, and July, 1999. The swards showed a tiller size/density compensation mechanism in which high tiller population densities were associated with small tillers and vice-versa, except in July, 1999. Regression analyses revealed that linear coefficients were steeper than the theoretical expectation of -3/2. Increments in herbage mass were attributable to increases in tiller mass in December and January. Leaf area/volume ratio values of Tifton 85 tillers were much lower than those commonly found for temperate grass species.
650 $aCynodon
650 $adensity
650 $aleaf area index
650 $amass
650 $aplant morphology
650 $aMassa
650 $aMorfologia Vegetal
653 $adensidade
653 $aíndice de superfície foliar
700 1 $aSILVA, S. C. da
700 1 $aMATTHEW, C.
700 1 $aCARVALHO, C. A. B. de
700 1 $aCARNEVALLI, R. A.
700 1 $aPINTO, L. F. de M.
700 1 $aFAGUNDES, J. L.
700 1 $aPEDREIRA, C. G. S.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 38, n. 12, p. 1459-1468, dez. 2003
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Embrapa Unidades Centrais (AI-SEDE) |
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