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dc.contributor.authorRomero, Izaskun-
dc.contributor.authorBenito Bermejo, Ana-
dc.contributor.authorDomínguez, Natalia-
dc.contributor.authorGarcía-Escudero, E.-
dc.contributor.authorMartín Rueda, Ignacio-
dc.identifierissn: 1695-971X-
dc.identifiere-issn: 2171-9292-
dc.identifier.citationSpanish Journal of Agricultural Research 12(1): 206-214 (2014)-
dc.description.abstractDeviation from optimum percentage (DOP) is a diagnosis methodology for leaf analyses which expresses the deviation for each element with respect to its optimal concentration. This deviation is an individual index for each nutrient and allows the sorting of all the analyzed nutrients according to their limitations. A nutritional survey was undertaken over eleven years in La Rioja (Spain), to establish reference concentrations for the nutritional diagnosis of Vitis vinifera L., cv. 'Tempranillo' grafted on Richter-110. Reference concentrations for DOP methodology are proposed, and sensibility for the nutritional diagnosis was evaluated for blade and petiole analysis of N, P, K, Ca, Mg, Fe, Mn, Zn, Cu, and B at flowering and veraison phenological stages by comparison between DOP and sufficiency ranges (SR) methods. Results suggest that petiole has lower sensibility than blade to detect deficiencies or excesses of N, P, K, Ca, Mg, Zn, and Mn at veraison. In addition, petiole is a better tissue than blade to detect Fe and B deficiencies or excesses. Therefore, our results make possible the right choice between tissues, leaf blade or petiole, for a general nutritional diagnosis of 'Tempranillo' grapevines. On the other hand, it is possible to evaluate the status of each nutrient in each phonological stage analyzing both tissues and comparing the nutrient status to its references, DOP or SR, in the most adequate tissue.-
dc.description.sponsorshipThis study was supported by the Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA, Spain), the European Social Fund and the Regional Government of La Rioja (Spain): Projects INIA-SC00-016, PR-01-03, PR-01-04, and PR-03-05, among others.-
dc.publisherInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria (España)-
dc.relation.isversionofPublisher's version-
dc.subjectDOP norms-
dc.subjectDOP references-
dc.titleLeaf blade and petiole nutritional diagnosis for Vitis vinifera L. cv. 'Tempranillo' by deviation from optimum percentage method-
dc.description.versionPeer Reviewed-
dc.contributor.funderEuropean Commission-
dc.contributor.funderGobierno de La Rioja-
dc.contributor.funderInstituto Nacional de Investigación y Tecnología Agraria y Alimentaria (España)-
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