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dc.contributor.authorNiculcea, María-
dc.contributor.authorMartínez Lapuente, Leticia-
dc.contributor.authorGuadalupe, Zenaida-
dc.contributor.authorSánchez-Díaz, Manuel-
dc.contributor.authorMorales Iribas, Fermín-
dc.contributor.authorAyestarán, Belén-
dc.contributor.authorAntolín Tomás, Carmen-
dc.date.accessioned2013-07-25T11:57:32Z-
dc.date.available2013-07-25T11:57:32Z-
dc.date.issued2013-09-
dc.identifier.citationJournal of Plant Growth Regulation 32(3): 551-563 (2013)es_ES
dc.identifier.issn0721-7595-
dc.identifier.urihttp://hdl.handle.net/10261/80207-
dc.description13 Págs., 3 Figs., 4 Tabls.es_ES
dc.description.abstractWater-deficit irrigation to grapevines reduces plant growth, yield, and berry growth, altering the ripening process, all of which may influence fruit composition and wine quality. Therefore, the goals of this study were (1) to investigate the influence of the main endogenous berry hormones, abscisic acid (ABA), indole-3-acetic acid (IAA), salicylic acid (SA), and jasmonic acid (JA), on berry growth and ripening under water-deficit conditions and (2) to analyze changes in fruit composition, specifically N compounds, under water deprivation. The study was carried out using container-grown Tempranillo grapevines grown under controlled conditions in a greenhouse. Two irrigation treatments were imposed: control (well-watered) and sustained deficit irrigation (SDI). Water deficit decreased leaf area and the source-to-sink ratio, reduced yield and berry size, and decreased concentrations of the main phenolic compounds. SDI also modified berry hormonal status. At the pea-size stage, SDI berries had lower IAA and higher JA and SA than nonstressed berries. At veraison (onset of ripening), accumulation of ABA was less accentuated in SDI than in control berries. At harvest, the content of amino acids and free ammonium was low in both treatments but SDI-treated berries showed a significant accumulation of amines. Results suggest that water restrictions to grapevines might be playing a physiological role in reducing berry growth through affecting hormone dynamics, phenolic synthesis, and the berry amino acid content and composition, which could compromise fruit quality. Possible roles of endogenous IAA controlling berry size and endogenous ABA and SA controlling levels of anthocyanins and flavonols at harvest are discussed. © 2013 Springer Science+Business Media New York.es_ES
dc.description.sponsorshipThis work was supported by Fundación Universitaria de Navarra (2011) and Ministerio de Ciencia e Innovación (MCINN BFU2011-26989), Spain. F. Morales thanks Gobierno de Aragón (A03 research group) for financial support. M. Niculcea was the recipient of a grant from Asociación de Amigos de la Universidad de Navarra.es_ES
dc.language.isoenges_ES
dc.publisherSpringeres_ES
dc.rightsclosedAccesses_ES
dc.subjectAbscisic acides_ES
dc.subjectAmineses_ES
dc.subjectAmino acidses_ES
dc.subjectAuxinses_ES
dc.subjectSalicylic acides_ES
dc.subjectSustained deficit irrigationes_ES
dc.titleEffects of water-deficit irrigation on hormonal content and nitrogen compounds in developing berries of Vitis vinifera L. cv. Tempranilloes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1007/s00344-013-9322-z-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1007/s00344-013-9322-zes_ES
dc.identifier.e-issn1435-8107-
dc.contributor.funderMinisterio de Ciencia e Innovación (España)-
dc.contributor.funderGobierno de Aragón-
dc.contributor.funderAsociación de Amigos de la Universidad de Navarra-
dc.contributor.funderFundación Universitaria de Navarra-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004837es_ES
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