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| Registros recuperados : 109 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Semiárido. Para informações adicionais entre em contato com cpatsa.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
25/08/2004 |
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Data da última atualização: |
14/06/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - B |
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Autoria: |
LIMA FILHO, J. M. P. |
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Afiliação: |
JOSE MOACIR PINHEIRO LIMA FILHO, CPATSA. |
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Título: |
Methodology for water potential measurement on mango using the pressure chamber. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
Acta Horticulturae, n. 645, p. 459-461, feb. 2004. |
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ISSN: |
0567-7572 |
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Idioma: |
Inglês |
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Notas: |
7th International Mango Symposium, Recife, Sep. 2002. |
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Conteúdo: |
A study was carried out to verify the application of a simple approach for water potential evaluation on mango (Mangifera indica, L). Data were collected on mango ?Tommy Atkins?, cropped under drip irrigation condition, at Embrapa Semi-Árido, Petrolina-PE., Brazil. Data were obtained with a pressure chamber and correlated with psychrometric chamber measurements. Chamber pressure was halted at each 0.1 MPa for sap sampling with filter paper for differentiation between he esin and water outflow. Resin exudation was distinguished by the appearance of dark dots on the paper. The results showed that there was no correlation between the methods at 1% probability level when the values obtained at the moment of resin exudation were used. However, data obtained at the moment of water outflow were significantly correlated through the equation Y= 0.1678 + 1.151 (X) and R= 0.98 **. The results suggest that the use of filter paper to detect the moment of water outflow may help obtaining accurate pressure chamber water potential measurement on mangoes. |
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Palavras-Chave: |
Relação água; Transpiração. |
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Thesagro: |
Exsudação; Manga; Mangifera Indica; Potencial Hídrico; Resina. |
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Thesaurus NAL: |
Mangoes. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01740naa a2200241 a 4500
001 1154052
005 2023-06-14
008 2004 bl uuuu u00u1 u #d
022 $a0567-7572
100 1 $aLIMA FILHO, J. M. P.
245 $aMethodology for water potential measurement on mango using the pressure chamber.
260 $c2004
500 $a7th International Mango Symposium, Recife, Sep. 2002.
520 $aA study was carried out to verify the application of a simple approach for water potential evaluation on mango (Mangifera indica, L). Data were collected on mango ?Tommy Atkins?, cropped under drip irrigation condition, at Embrapa Semi-Árido, Petrolina-PE., Brazil. Data were obtained with a pressure chamber and correlated with psychrometric chamber measurements. Chamber pressure was halted at each 0.1 MPa for sap sampling with filter paper for differentiation between he esin and water outflow. Resin exudation was distinguished by the appearance of dark dots on the paper. The results showed that there was no correlation between the methods at 1% probability level when the values obtained at the moment of resin exudation were used. However, data obtained at the moment of water outflow were significantly correlated through the equation Y= 0.1678 + 1.151 (X) and R= 0.98 **. The results suggest that the use of filter paper to detect the moment of water outflow may help obtaining accurate pressure chamber water potential measurement on mangoes.
650 $aMangoes
650 $aExsudação
650 $aManga
650 $aMangifera Indica
650 $aPotencial Hídrico
650 $aResina
653 $aRelação água
653 $aTranspiração
773 $tActa Horticulturae$gn. 645, p. 459-461, feb. 2004.
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