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Article

Novel Endotherapy-Based Applications of Ozonated Water to Bobal Grapevines: Effect on Grape Quality

1
Universidad de Castilla-La Mancha, E.T.S.I. Agrónomos y Montes, Cátedra de Química Agrícola, Avda. de España s/n, 02071 Albacete, Spain
2
BetterRID (Better Research, Innovation and Development, S.L.), Carretera de Las Peñas (CM-3203), Km 3.2, Campo de Prácticas-UCLM, 02071 Albacete, Spain
*
Author to whom correspondence should be addressed.
Agronomy 2020, 10(9), 1218; https://doi.org/10.3390/agronomy10091218
Received: 26 June 2020 / Revised: 29 July 2020 / Accepted: 17 August 2020 / Published: 19 August 2020
(This article belongs to the Special Issue Ozone Effects on Crop Production)
Ozonated water has recently been incorporated in the management of grapevine diseases, which in turn can alter the fruit quality. When wood-inhabiting pathogens are involved, trunk injection or “endotherapy” represents a promising application method. Thus, the present study aimed to evaluate the effect on grape quality of ozonated water applied to Vitis vinifera L. cv. Bobal grapevines through endotherapy (E) or its combination with spraying (E + S). Grape quality at harvest was evaluated through several enological and chromatic parameters, the phenolic maturity, the varietal aroma potential index (IPAv) and the phenolic and volatile composition. The E treatment improved the chromatic characteristics and favored the accumulation of phenolic compounds. Conversely, E + S had a detrimental effect on the color and phenolic content and, although their synthesis was enhanced, the extractability of anthocyanins was negatively affected. In terms of aroma, both treatments reduced the content of glycosylated precursors but increased certain free volatiles. The application of ozonated water to grapevines, even when injected into the trunk, results in changes in fruit quality and a possible impact on wine attributes. Our findings and those in the literature support that, with the appropriate dose, frequency and method of application, ozonated water could be used with a twofold objective: disease management and grape quality improvement. View Full-Text
Keywords: ozone; ozonated water; endotherapy; spraying; Bobal; grape quality; phenolics; volatiles ozone; ozonated water; endotherapy; spraying; Bobal; grape quality; phenolics; volatiles
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MDPI and ACS Style

Campayo, A.; Serrano de la Hoz, K.; García-Martínez, M.M.; Salinas, M.R.; Alonso, G.L. Novel Endotherapy-Based Applications of Ozonated Water to Bobal Grapevines: Effect on Grape Quality. Agronomy 2020, 10, 1218. https://doi.org/10.3390/agronomy10091218

AMA Style

Campayo A, Serrano de la Hoz K, García-Martínez MM, Salinas MR, Alonso GL. Novel Endotherapy-Based Applications of Ozonated Water to Bobal Grapevines: Effect on Grape Quality. Agronomy. 2020; 10(9):1218. https://doi.org/10.3390/agronomy10091218

Chicago/Turabian Style

Campayo, Ana, Kortes Serrano de la Hoz, M. M. García-Martínez, M. R. Salinas, and Gonzalo L. Alonso. 2020. "Novel Endotherapy-Based Applications of Ozonated Water to Bobal Grapevines: Effect on Grape Quality" Agronomy 10, no. 9: 1218. https://doi.org/10.3390/agronomy10091218

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