Response of Oil Production and Quality to Hedgerow Design in Super-High-Density Olive cv. Arbequina Orchards
1
Estación Experimental Agropecuaria Junín (Instituto Nacional de Tecnología Agropecuaria), Mendoza 5572, Argentina
2
School of Agriculture and Food, University of Melbourne, Melbourne 3010, Australia
3
CEIGRAM/Dpto, Producción Agraria/ETSIAAB, Universidad Politécnica de Madrid, 28040 Madrid, Spain
*
Author to whom correspondence should be addressed.
Academic Editors: José Casanova Gascón, Ignasi Iglesias, Stefano Musacchi and Salvatore Camposeo
Agronomy 2021, 11(8), 1632; https://doi.org/10.3390/agronomy11081632
Received: 20 July 2021
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Revised: 13 August 2021
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Accepted: 14 August 2021
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Published: 17 August 2021
(This article belongs to the Special Issue Innovation in New Varieties, New Rootstocks and Training Systems: Towards Higher Efficiency and Sustainability)
An analysis is presented of the response of olive oil production and quality parameters, viz. fatty acids (palmitic, oleic and linoleic acids), phenolic compounds and oxidative stability to hedgerow spacing and orientation in 1-m wide super-high-density orchards of cv. Arbequina. Data reveal strong linear relationships between concentrations of fatty acids and internal irradiance within hedgerows, positive for palmitic and linoleic but negative for oleic acid. The result is a significant vertical trend in oil composition within hedgerows, but small to negligible differences in oil harvested from them in totality. The explanation is found in the small ranges and strongly correlated responses of individual fatty acids that together comprise 98% of oil mass. Phenolic compounds respond more widely and to higher levels of irradiance than fatty acids and did show increases in NS hedgerows grown at wide row spacing. Oxidative stability shows a similar trend in phenolic compounds. A simulation study that extended the known responses to 2-m wide hedgerows showed that the linkage between fatty acid profiles was maintained with no resultant differences in the oil composition of the total simulated oil harvest. Based on the current understanding of internal irradiance within olive hedgerows, there seems to be little opportunity to manage oil quality by orchard structure.
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Keywords:
super-high density (SHD); row spacing; orientation; internal irradiance; fatty acids; phenols
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MDPI and ACS Style
Trentacoste, E.R.; Connor, D.J.; Gómez-del-Campo, M. Response of Oil Production and Quality to Hedgerow Design in Super-High-Density Olive cv. Arbequina Orchards. Agronomy 2021, 11, 1632. https://doi.org/10.3390/agronomy11081632
AMA Style
Trentacoste ER, Connor DJ, Gómez-del-Campo M. Response of Oil Production and Quality to Hedgerow Design in Super-High-Density Olive cv. Arbequina Orchards. Agronomy. 2021; 11(8):1632. https://doi.org/10.3390/agronomy11081632
Chicago/Turabian StyleTrentacoste, Eduardo R., David J. Connor, and María Gómez-del-Campo. 2021. "Response of Oil Production and Quality to Hedgerow Design in Super-High-Density Olive cv. Arbequina Orchards" Agronomy 11, no. 8: 1632. https://doi.org/10.3390/agronomy11081632
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