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Volume 13
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Article

Comparison of Canopy Architecture of Five Olive Cultivars in a High-Density Planting System in Sicily

by
Enrico Maria Lodolini
1,*,
Alberto de Iudicibus
1,
Pompea Gabriella Lucchese
1,
Giuseppina Las Casas
2,
Biagio Torrisi
2,
Elisabetta Nicolosi
3,
Alessio Giuffrida
2 and
Filippo Ferlito
2,*
1
Council for Agricultural Research and Economics, Research Centre for Olive, Fruit and Citrus Crops, 00134 Rome, Italy
2
Council for Agricultural Research and Economics, Research Centre for Olive, Fruit and Citrus Crops, 95024 Acireale, Italy
3
Department of Agriculture, Food and Environment, University of Catania, 95123 Catania, Italy
*
Authors to whom correspondence should be addressed.
Agriculture 2023, 13(8), 1612; https://doi.org/10.3390/agriculture13081612
Submission received: 12 July 2023 / Revised: 5 August 2023 / Accepted: 11 August 2023 / Published: 15 August 2023
(This article belongs to the Special Issue Fruit Breeding, Germplasms Identification and Evaluation)
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Abstract

In a young super-high-density (SHD) olive orchard located in Aidone (EN), in the Sicily Region, Italy, the architectural features of five olive cultivars were studied, specifically Arbequina, Arbosana, Oliana®, Giulia®, and FS-17®. Surveys were conducted in November 2019 considering biometric measurements for the whole tree, the canopy, and the primary and secondary branches. The “total branching frequency”, the “sectorial branching frequency”, the “total branching efficiency”, the “sectorial branching efficiency”, and the “total relative vigour” indexes were also calculated from the previous measurements. In addition, olive yield recorded for the years 2020, 2021, and 2022 (respectively, the third, fourth, and fifth years from planting) are shown in order to provide a more exhaustive description of the features of the cultivars. Giulia® and Oliana® resulted in being more similar to Arbequina and Arbosana, presenting a compact shape of the canopy and high and regular ramification of primary and secondary branches. FS-17® showed a higher expansion in canopy volume and higher vigour than the other cultivars, features that suggest it can be more susceptible to damage during mechanical harvest. Regarding the elaborated indexes, “total branching frequency” resulted in being not statistically different among the cultivars. “Sectorial branching frequency” resulted in being higher in the middle sector of the trunk height (51–100 cm) for all the tested cultivars. This study supplies helpful information about the different canopy and branch architectural characteristics of the five studied olive cultivars with respect to their suitability to high-density plantations.
Keywords: central leader; branching; Arbequina; Arbosana; Oliana®; Giulia®; FS-17® central leader; branching; Arbequina; Arbosana; Oliana®; Giulia®; FS-17®

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MDPI and ACS Style

Lodolini, E.M.; de Iudicibus, A.; Lucchese, P.G.; Las Casas, G.; Torrisi, B.; Nicolosi, E.; Giuffrida, A.; Ferlito, F. Comparison of Canopy Architecture of Five Olive Cultivars in a High-Density Planting System in Sicily. Agriculture 2023, 13, 1612. https://doi.org/10.3390/agriculture13081612

AMA Style

Lodolini EM, de Iudicibus A, Lucchese PG, Las Casas G, Torrisi B, Nicolosi E, Giuffrida A, Ferlito F. Comparison of Canopy Architecture of Five Olive Cultivars in a High-Density Planting System in Sicily. Agriculture. 2023; 13(8):1612. https://doi.org/10.3390/agriculture13081612

Chicago/Turabian Style

Lodolini, Enrico Maria, Alberto de Iudicibus, Pompea Gabriella Lucchese, Giuseppina Las Casas, Biagio Torrisi, Elisabetta Nicolosi, Alessio Giuffrida, and Filippo Ferlito. 2023. "Comparison of Canopy Architecture of Five Olive Cultivars in a High-Density Planting System in Sicily" Agriculture 13, no. 8: 1612. https://doi.org/10.3390/agriculture13081612

APA Style

Lodolini, E. M., de Iudicibus, A., Lucchese, P. G., Las Casas, G., Torrisi, B., Nicolosi, E., Giuffrida, A., & Ferlito, F. (2023). Comparison of Canopy Architecture of Five Olive Cultivars in a High-Density Planting System in Sicily. Agriculture, 13(8), 1612. https://doi.org/10.3390/agriculture13081612

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