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Registro Completo |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
07/10/1999 |
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Data da última atualização: |
18/07/2019 |
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Autoria: |
STEVENS, R. M.; HARVEY, G.; ASPINALL, D. |
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Título: |
Grapevine growth of shoots and fruit linearly correlate with water stress indices based on root-weighted soil matric potential. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Australian Journal of Grape and Wine Research, v. 1, n. 2, p. 58-66, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
Over two consecutive seasons, six deficit irrigation regimes were imposed on Colombard vines on Ramsey rootstock. The soil water availability was quantified by logarithmic transformation of the absolute value of a root-weighted measure of soil matric potential. Stem water potential declined linearly with decreasing soil water availability. Water stress indices were calculated by integrating the daily values of soil water availability over specific periods. Declines in both fruit and vegetative growth were linearly correlated with increases in the values of water stress indices during the respective growth periods. In the berries, concentrations of total soluble solids, tartrate and potassium were not correlated with the water stress index during the period of fruit growth; malate concentration declined linearly with increasing values of this index. Responses of pH and titratable acidity to variation in the water stress index were not consistent in the two seasons. |
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Palavras-Chave: |
Composition; Crescimento vegetativo; Estresse hidrico; Fruit growth; Potencial. |
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Thesagro: |
Água; Crescimento; Fruto; Irrigação; Uva; Vitis Vinifera. |
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Thesaurus Nal: |
grapes; irrigation; vegetative growth; water potential; water stress. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01934naa a2200337 a 4500
001 1130656
005 2019-07-18
008 1995 bl --- 0-- u #d
100 1 $aSTEVENS, R. M.
245 $aGrapevine growth of shoots and fruit linearly correlate with water stress indices based on root-weighted soil matric potential.$h[electronic resource]
260 $c1995
520 $aOver two consecutive seasons, six deficit irrigation regimes were imposed on Colombard vines on Ramsey rootstock. The soil water availability was quantified by logarithmic transformation of the absolute value of a root-weighted measure of soil matric potential. Stem water potential declined linearly with decreasing soil water availability. Water stress indices were calculated by integrating the daily values of soil water availability over specific periods. Declines in both fruit and vegetative growth were linearly correlated with increases in the values of water stress indices during the respective growth periods. In the berries, concentrations of total soluble solids, tartrate and potassium were not correlated with the water stress index during the period of fruit growth; malate concentration declined linearly with increasing values of this index. Responses of pH and titratable acidity to variation in the water stress index were not consistent in the two seasons.
650 $agrapes
650 $airrigation
650 $avegetative growth
650 $awater potential
650 $awater stress
650 $aÁgua
650 $aCrescimento
650 $aFruto
650 $aIrrigação
650 $aUva
650 $aVitis Vinifera
653 $aComposition
653 $aCrescimento vegetativo
653 $aEstresse hidrico
653 $aFruit growth
653 $aPotencial
700 1 $aHARVEY, G.
700 1 $aASPINALL, D.
773 $tAustralian Journal of Grape and Wine Research$gv. 1, n. 2, p. 58-66, 1995.
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| 1. |  | SANTOS, T. C. dos; ALVARES, V. de S.; COSTA, D. A. da; MADRUGA, A. L. S. Qualidade microbiológica da castanha-do-brasil seca durante o armazenamento com ventilação forçada. In: SEMINÁRIO DE INICIAÇÃO CIENTÍFICA PIBIC/PIBITI DA EMBRAPA ACRE, 1., 2013, Rio Branco, AC. Anais... Rio Branco, AC: Embrapa Acre, 2013. 7 p.| Tipo: Artigo em Anais de Congresso |
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