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1. Foliar Applications of Calcium, Silicon and Their Combination: A Tool to Improve Grape Composition and Quality

Author

Garde-Cerdán, Teresa, primary, González-Lázaro, Miriam, additional, Alonso-Ortiz de Urbina, David, additional, Sáenz de Urturi, Itziar, additional, Marín-San Román, Sandra, additional, Murillo-Peña, Rebeca, additional, Torres-Díaz, Lesly L., additional, Pérez-Álvarez, Eva P., additional, and Fernández, Victoria, additional

Published
2023
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2. Foliar Applications of Calcium, Silicon and Their Combination: A Tool to Improve Grape Composition and Quality

Author

Universidad de La Rioja, European Commission, Ministerio de Universidades (España), Gobierno de La Rioja, Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Garde-Cerdán, Teresa, González-Lázaro, Miriam, Alonso-Ortiz de Urbina, David, Sáenz de Urturi, Itziar, Marín-San Román, Sandra, Murillo-Peña, Rebeca, Torres Díaz, Lesly Laura, Pérez-Álvarez, Eva Pilar, Fernández, Victoria, Universidad de La Rioja, European Commission, Ministerio de Universidades (España), Gobierno de La Rioja, Ministerio de Ciencia, Innovación y Universidades (España), Agencia Estatal de Investigación (España), Garde-Cerdán, Teresa, González-Lázaro, Miriam, Alonso-Ortiz de Urbina, David, Sáenz de Urturi, Itziar, Marín-San Román, Sandra, Murillo-Peña, Rebeca, Torres Díaz, Lesly Laura, Pérez-Álvarez, Eva Pilar, and Fernández, Victoria

Abstract

Foliar nutrient sprays are broadly used in commercial agriculture. To date, the application of Ca and Si has been little explored in vineyard production but may lead to positive responses at various levels. Therefore, the aim of this work was to evaluate the effect of supplying single or combined calcium (Ca, 120 mM) and silicon (Si, 120 mM) sprays in Tempranillo grape composition. Foliar treatment with Ca + Si foliar enhanced all families of aromatic compounds, whereas single Ca and Si sprays induced lower effects. Regarding phenolic compounds, all foliar treatments led to minor effects. However, all three foliar Ca and Si treatments increased the total grape amino acid content. Consequently, the application of combined Ca and Si sprays to a vineyard is recommended as a tool for improving grape quality.

Published
2023

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