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Registro Completo |
Biblioteca(s): |
Embrapa Semiárido. |
Data corrente: |
26/08/2014 |
Data da última atualização: |
26/08/2014 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
SANTOS, T. M.; VOLTOLINI, T. V.; ANGELOTTI, F.; AIDAR, S. de T.; CHAVES, A. R. de M. |
Afiliação: |
ROBERTA MACHADO SANTOS, Universidade Federal de Feira de Santana; TADEU VINHAS VOLTOLINI, CPATSA; FRANCISLENE ANGELOTTI, CPATSA; SAULO DE TARSO AIDAR, CPATSA; AGNALDO RODRIGUES DE MELO CHAVES, CPATSA. |
Título: |
Productive and morphogenetic responses of buffel grass at different air temperatures and CO2 concentrations. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Revista Brasileira de Zootecnia, Viçosa, MG, v. 43, n. 8, p. 404-409, 2014. |
Idioma: |
Inglês |
Conteúdo: |
The objective of the present trial was to evaluate the productive and morphogenetic characteristics of buffel grass subjected to different air temperatures and CO2 concentrations. Three cultivars of buffel grass (Biloela, Aridus and West Australian) were compared. Cultivars were grown in growth chambers at three temperatures (day/night): 26/20, 29/23, and 32/26 °C, combined with two concentrations of CO2: 370 and 550 ?mol mol?1. The experimental design was completely randomized, in a 3 × 3 × 2 factorial arrangement with three replications. There were interactions between buffel grass cultivars and air temperatures on leaf elongation rate (LER), leaf appearance rate (LAR), leaf lifespan (LL) and senescence rate (SR), whereas cultivars vs. carbon dioxide concentration affected forage mass (FM), root mass (RM), shoot/root ratio, LL and SR. Leaf elongation rate and SR were higher as the air temperature was raised. Increasing air temperature also promoted an increase in LAR, except for West Australian. High CO2 concentration provided greater SR of plants, except for Biloela. Cultivar West Australian had higher FM in relation to Biloela and Aridus when the CO2 concentration was increased to 550 ?mol mol?1. West Australian was the only cultivar that responded with more forage mass when it was exposed to higher carbon dioxide concentrations, whereas Aridus had depression in forage mass. The increase in air temperatures affects morphogenetic responses of buffel grass, accelerating its vegetative development without increasing forage mass. Elevated carbon dioxide concentration changes productive responses of buffel grass. MenosThe objective of the present trial was to evaluate the productive and morphogenetic characteristics of buffel grass subjected to different air temperatures and CO2 concentrations. Three cultivars of buffel grass (Biloela, Aridus and West Australian) were compared. Cultivars were grown in growth chambers at three temperatures (day/night): 26/20, 29/23, and 32/26 °C, combined with two concentrations of CO2: 370 and 550 ?mol mol?1. The experimental design was completely randomized, in a 3 × 3 × 2 factorial arrangement with three replications. There were interactions between buffel grass cultivars and air temperatures on leaf elongation rate (LER), leaf appearance rate (LAR), leaf lifespan (LL) and senescence rate (SR), whereas cultivars vs. carbon dioxide concentration affected forage mass (FM), root mass (RM), shoot/root ratio, LL and SR. Leaf elongation rate and SR were higher as the air temperature was raised. Increasing air temperature also promoted an increase in LAR, except for West Australian. High CO2 concentration provided greater SR of plants, except for Biloela. Cultivar West Australian had higher FM in relation to Biloela and Aridus when the CO2 concentration was increased to 550 ?mol mol?1. West Australian was the only cultivar that responded with more forage mass when it was exposed to higher carbon dioxide concentrations, whereas Aridus had depression in forage mass. The increase in air temperatures affects morphogenetic responses of buffel grass, accelerating it... Mostrar Tudo |
Palavras-Chave: |
Aridus; Biloela; Mudanças Climáticas; Pasture; West Australian. |
Thesagro: |
Capim buffel; Cenchrus ciliaris; Dióxido de carbono; Pastagem; Variedade. |
Thesaurus Nal: |
Carbon dioxide; Climate change. |
Categoria do assunto: |
L Ciência Animal e Produtos de Origem Animal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/107284/1/Agnaldo-2.pdf
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Marc: |
LEADER 02557naa a2200313 a 4500 001 1993386 005 2014-08-26 008 2014 bl uuuu u00u1 u #d 100 1 $aSANTOS, T. M. 245 $aProductive and morphogenetic responses of buffel grass at different air temperatures and CO2 concentrations.$h[electronic resource] 260 $c2014 520 $aThe objective of the present trial was to evaluate the productive and morphogenetic characteristics of buffel grass subjected to different air temperatures and CO2 concentrations. Three cultivars of buffel grass (Biloela, Aridus and West Australian) were compared. Cultivars were grown in growth chambers at three temperatures (day/night): 26/20, 29/23, and 32/26 °C, combined with two concentrations of CO2: 370 and 550 ?mol mol?1. The experimental design was completely randomized, in a 3 × 3 × 2 factorial arrangement with three replications. There were interactions between buffel grass cultivars and air temperatures on leaf elongation rate (LER), leaf appearance rate (LAR), leaf lifespan (LL) and senescence rate (SR), whereas cultivars vs. carbon dioxide concentration affected forage mass (FM), root mass (RM), shoot/root ratio, LL and SR. Leaf elongation rate and SR were higher as the air temperature was raised. Increasing air temperature also promoted an increase in LAR, except for West Australian. High CO2 concentration provided greater SR of plants, except for Biloela. Cultivar West Australian had higher FM in relation to Biloela and Aridus when the CO2 concentration was increased to 550 ?mol mol?1. West Australian was the only cultivar that responded with more forage mass when it was exposed to higher carbon dioxide concentrations, whereas Aridus had depression in forage mass. The increase in air temperatures affects morphogenetic responses of buffel grass, accelerating its vegetative development without increasing forage mass. Elevated carbon dioxide concentration changes productive responses of buffel grass. 650 $aCarbon dioxide 650 $aClimate change 650 $aCapim buffel 650 $aCenchrus ciliaris 650 $aDióxido de carbono 650 $aPastagem 650 $aVariedade 653 $aAridus 653 $aBiloela 653 $aMudanças Climáticas 653 $aPasture 653 $aWest Australian 700 1 $aVOLTOLINI, T. V. 700 1 $aANGELOTTI, F. 700 1 $aAIDAR, S. de T. 700 1 $aCHAVES, A. R. de M. 773 $tRevista Brasileira de Zootecnia, Viçosa, MG$gv. 43, n. 8, p. 404-409, 2014.
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Embrapa Semiárido (CPATSA) |
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Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
12/04/2012 |
Data da última atualização: |
18/11/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
RABELO, M. C.; HOTT, M. C.; FONSECA, L. d'A. M.; ANDRADE, T. G. de; SOUZA, R. C. S. N. P. |
Afiliação: |
MARYÁ CRISTINA RABELO, UFJF; MARCOS CICARINI HOTT, CNPGL; LETÍCIA D'AGOSTO MIGUEL FONSECA, UFJF; THIAGO GERHREIM DE ANDRADE; ROBERTO CARLOS SOARES NALON PEREIRA SOUZA. |
Título: |
Cenário de Áreas de Preservação Permante (APP) em Mesorregiões de pecuária de leite. |
Ano de publicação: |
2011 |
Fonte/Imprenta: |
In: CONGRESSO INTERNACIONAL DO LEITE, 10.; WORKSHOP SOBRE POLÍTICAS PÚBLICAS, 10.; SIMPÓSIO DE SUSTENTABILIDADE DA ATIVIDADE LEITEIRA, 11., 2011, Maceió. Anais... Juiz de Fora: Embrapa Gado de Leite, 2011. |
Páginas: |
3 p. |
Idioma: |
Português |
Palavras-Chave: |
Áreas de Preservação Permanente; Mapeamento. |
Thesagro: |
Pastagem; Produção Leiteira. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/57482/1/Resumo167-XCongresso-Int.Leite.PDF
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Marc: |
LEADER 00803nam a2200205 a 4500 001 1922148 005 2022-11-18 008 2011 bl uuuu u00u1 u #d 100 1 $aRABELO, M. C. 245 $aCenário de Áreas de Preservação Permante (APP) em Mesorregiões de pecuária de leite.$h[electronic resource] 260 $aIn: CONGRESSO INTERNACIONAL DO LEITE, 10.; WORKSHOP SOBRE POLÍTICAS PÚBLICAS, 10.; SIMPÓSIO DE SUSTENTABILIDADE DA ATIVIDADE LEITEIRA, 11., 2011, Maceió. Anais... Juiz de Fora: Embrapa Gado de Leite$c2011 300 $a3 p. 650 $aPastagem 650 $aProdução Leiteira 653 $aÁreas de Preservação Permanente 653 $aMapeamento 700 1 $aHOTT, M. C. 700 1 $aFONSECA, L. d'A. M. 700 1 $aANDRADE, T. G. de 700 1 $aSOUZA, R. C. S. N. P.
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