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 | Acesso ao texto completo restrito à biblioteca da Embrapa Pecuária Sudeste. Para informações adicionais entre em contato com cppse.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Pecuária Sudeste. |
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Data corrente: |
06/12/2011 |
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Data da última atualização: |
17/02/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PEZZOPANE, J. R. M.; SALVA, T. de J. G.; LIMA, V. B. de; FAZUOLI, L. C. |
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Afiliação: |
JOSE RICARDO MACEDO PEZZOPANE, CPPSE; TEREZINHA DE JESUS GARCIA SALVA, IAC/CAMPINAS; VALÉRIA BITTENCOURT DE LIMA, IAC/CAMPINAS; LUIZ CARLOS FAZUOLI, IAC/CAMPINAS. |
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Título: |
Agrometeorological parameters for prediction of the maturation period of Arabica coffee cultivars. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
International Journal of Biometeorology v. 56, n. 5, p. 843-851, aug. 2012. |
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DOI: |
10.1007/s00484-011-0486-6 |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this study was to determine the harvest period of coffee fruits based on the relationship between agrometeorological parameters and sucrose accumulation in the seeds. Over the crop years 2004/2005 and 2006/2007, from 150 days after flowering (DAF) onwards, samples of 50 fruits of cultivars Mundo Novo IAC 376?4, Obatã IAC 1669?20 and Catuaí Vermelho IAC 144 were collected from coffee trees located in Campinas, Brazil. The endosperm of the fruits was freeze-dried, ground and analyzed for sucrose content by high-performance liquid chromatography. A weather station provided data to calculate the accumulated growing degree-day (GDD) units, and the reference (ETo) and actual (ETr) evapotranspiration rates. The results showed that the highest rates of sucrose accumulation occurred at the transition from the cane-green to the cherry phenological stage. Models for the estimation of sucrose content during maturation based on meteorological variables exhibited similar or better performance than the DAF variable, with better results for the variables GDD and ETo. The Mundo Novo cultivar reached the highest sucrose level in the endosperm after 2,790 GDD, while cultivar Catuaí attained its maximum sucrose concentration after the accumulated evapotranspiration rate has reached a value of 870 mm. As for cultivar Obatã, the maximum sucrose concentration was predicted with the same degree of accuracy using any of the parameters investigated. For the Obatã cultivar, the values of the variables calculated for the maximum sucrose concentration to be reached were 249 DAF, 3,090 GDD, 1,020 ETo and 900 ETr. MenosThe objective of this study was to determine the harvest period of coffee fruits based on the relationship between agrometeorological parameters and sucrose accumulation in the seeds. Over the crop years 2004/2005 and 2006/2007, from 150 days after flowering (DAF) onwards, samples of 50 fruits of cultivars Mundo Novo IAC 376?4, Obatã IAC 1669?20 and Catuaí Vermelho IAC 144 were collected from coffee trees located in Campinas, Brazil. The endosperm of the fruits was freeze-dried, ground and analyzed for sucrose content by high-performance liquid chromatography. A weather station provided data to calculate the accumulated growing degree-day (GDD) units, and the reference (ETo) and actual (ETr) evapotranspiration rates. The results showed that the highest rates of sucrose accumulation occurred at the transition from the cane-green to the cherry phenological stage. Models for the estimation of sucrose content during maturation based on meteorological variables exhibited similar or better performance than the DAF variable, with better results for the variables GDD and ETo. The Mundo Novo cultivar reached the highest sucrose level in the endosperm after 2,790 GDD, while cultivar Catuaí attained its maximum sucrose concentration after the accumulated evapotranspiration rate has reached a value of 870 mm. As for cultivar Obatã, the maximum sucrose concentration was predicted with the same degree of accuracy using any of the parameters investigated. For the Obatã cultivar, the values... Mostrar Tudo |
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Palavras-Chave: |
Cup quality; Degree days. |
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Thesaurus Nal: |
air temperature; sucrose. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal
P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 02315naa a2200217 a 4500
001 1945192
005 2023-02-17
008 2012 bl uuuu u00u1 u #d
024 7 $a10.1007/s00484-011-0486-6$2DOI
100 1 $aPEZZOPANE, J. R. M.
245 $aAgrometeorological parameters for prediction of the maturation period of Arabica coffee cultivars.$h[electronic resource]
260 $c2012
520 $aThe objective of this study was to determine the harvest period of coffee fruits based on the relationship between agrometeorological parameters and sucrose accumulation in the seeds. Over the crop years 2004/2005 and 2006/2007, from 150 days after flowering (DAF) onwards, samples of 50 fruits of cultivars Mundo Novo IAC 376?4, Obatã IAC 1669?20 and Catuaí Vermelho IAC 144 were collected from coffee trees located in Campinas, Brazil. The endosperm of the fruits was freeze-dried, ground and analyzed for sucrose content by high-performance liquid chromatography. A weather station provided data to calculate the accumulated growing degree-day (GDD) units, and the reference (ETo) and actual (ETr) evapotranspiration rates. The results showed that the highest rates of sucrose accumulation occurred at the transition from the cane-green to the cherry phenological stage. Models for the estimation of sucrose content during maturation based on meteorological variables exhibited similar or better performance than the DAF variable, with better results for the variables GDD and ETo. The Mundo Novo cultivar reached the highest sucrose level in the endosperm after 2,790 GDD, while cultivar Catuaí attained its maximum sucrose concentration after the accumulated evapotranspiration rate has reached a value of 870 mm. As for cultivar Obatã, the maximum sucrose concentration was predicted with the same degree of accuracy using any of the parameters investigated. For the Obatã cultivar, the values of the variables calculated for the maximum sucrose concentration to be reached were 249 DAF, 3,090 GDD, 1,020 ETo and 900 ETr.
650 $aair temperature
650 $asucrose
653 $aCup quality
653 $aDegree days
700 1 $aSALVA, T. de J. G.
700 1 $aLIMA, V. B. de
700 1 $aFAZUOLI, L. C.
773 $tInternational Journal of Biometeorology$gv. 56, n. 5, p. 843-851, aug. 2012.
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Embrapa Pecuária Sudeste (CPPSE) |
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Registro Completo
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Biblioteca(s): |
Embrapa Gado de Leite. |
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Data corrente: |
18/12/2018 |
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Data da última atualização: |
18/12/2018 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
GRAZIA, J. G. V.; LACERDA, L. G.; SIQUEIRA, L. G. B.; PELLEGRINO, C. A. G.; GRAPIUNA, L. S.; SOLLECITO, N. V.; VIANA, J. H. M. |
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Afiliação: |
J. G. V. Grazia, UFMG; L. G. Lacerda, BH Embriões; LUIZ GUSTAVO BRUNO SIQUEIRA, CNPGL; C. A. G. Pellegrino, BH Embriões; L. S. Grapiuna, BH Embriões; N. V. Sollecito, UFMG; JOAO HENRIQUE MOREIRA VIANA, Cenargen. |
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Título: |
Effects of Gas Tension During Culture upon Development of Bovine Embryos from Beef (Nellore) and Dairy (Girolando) Breeds. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
In: International Embryo Technology Society and the Society for Reproductive Biology, v. 30 n. 1. Resumo em Anais. Bangkok, Tailandia. IETS, 2018. 207. |
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Idioma: |
Português |
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Palavras-Chave: |
Culture of bovine; Embryonic; Numbers. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 00767naa a2200217 a 4500
001 2101949
005 2018-12-18
008 2018 bl --- 0-- u #d
100 1 $aGRAZIA, J. G. V.
245 $aEffects of Gas Tension During Culture upon Development of Bovine Embryos from Beef (Nellore) and Dairy (Girolando) Breeds.
260 $c2018
653 $aCulture of bovine
653 $aEmbryonic
653 $aNumbers
700 1 $aLACERDA, L. G.
700 1 $aSIQUEIRA, L. G. B.
700 1 $aPELLEGRINO, C. A. G.
700 1 $aGRAPIUNA, L. S.
700 1 $aSOLLECITO, N. V.
700 1 $aVIANA, J. H. M.
773 $tIn: International Embryo Technology Society and the Society for Reproductive Biology$gv. 30 n. 1. Resumo em Anais. Bangkok, Tailandia. IETS, 2018. 207.
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