Architectural characteristics of six olive cultivars with respect to their suitability for high density orchards

Lodolini, E.M.; Tarragoni, A.; Cioccolanti, Tonino; Pollastri, L.; Neri, Davide

doi:10.17660/actahortic.2017.1160.18

Cited by 7 publications

(13 citation statements)

References 7 publications

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“…In fact, the strong vegetative growth, combined with the high ramification ability in 'Arbequina' micropropagated trees, induced a wider insertion angle of the primary branches along the central leader and a better conical shape of the canopy, compared to trees from cuttings. This behavior can lead to a higher production efficiency of the tree, as indicated in previous studies [10][11][12][13][14]. These interpretations were confirmed 11 years after planting (data not shown) when differences between the two types of trees were not visible, except for a more regular branch distribution along the trunk of micropropagated trees.…”

Section: Discussionsupporting

confidence: 82%

“…Successful mechanical harvest depends on trees' shape/architecture [9][10][11][12][13][14] shoot growth and architecture [10,15,16], selective pruning integrated with mechanical topping, hedging and trimming [17][18][19][20][21] with branch renovation near the scaffold [22], and a specific control of irrigation and nutrition [23]. In addition, in high-density olive groves, an early onset of production is related to a rapid achievement of the continuity of vegetation along the row (hedgerow systems), with mature reproductive trees of small dimensions.…”

Section: Intensification Of Olive Cultivationmentioning

confidence: 99%

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Micropropagation Effects on Juvenile Traits, Flower Differentiation, and Tree Architecture in Young Olive Trees

Neri

Cioccolanti²,

Zuccherelli

et al. 2020

Agronomy

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Olive micropropagation is nowadays possible but knowing if it induces juvenile traits and how juvenility, vigor and fruit productivity are affected is pivotal. Three trials were carried out during micropropagation and afterwards in the field. Three varieties were characterized during multiplication in vitro, after several subcultures. ‘Arbequina’ revealed higher shoot miniaturization than ‘Coratina’ and ‘Frantoio’, and likely-juvenile shoots with three or four leaves per node. The ‘Arbequina’ trees obtained from two- and three-leaves-per-node in vitro plantlets were compared to cuttings in the field. Two years after planting, flower-differentiated shoots were found in the apical part of the canopy in all tested trees while in this position the ramification was more intense on three-leaves-per-node trees. Architecture of ‘Arbequina’ trees from micropropagation and cuttings was finally characterized in a high-density commercial grove. Micropropagated trees showed a well distributed and deep root system, a regular conical shape of the canopy, a higher number of primary branches, and a reproductive ability equivalent to cuttings. In conclusion, some juvenile traits and vigor may appear in vitro and last after ex vitro acclimation, but no more than two years in the field.

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Section: Discussionsupporting

confidence: 82%

Section: Intensification Of Olive Cultivationmentioning

confidence: 99%

Micropropagation Effects on Juvenile Traits, Flower Differentiation, and Tree Architecture in Young Olive Trees

Neri

Cioccolanti²,

Zuccherelli

et al. 2020

Agronomy

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“…The olive tree is an iconic woody plant for the Mediterranean region that, together with wild olives, grapes, cereals, and bushy and herbaceous species, contributes to the definition of the most striking features of the agricultural territories [1] and of several natural landscapes. Since the 1990s, olive has been subjected to a progressive intensification of planting density (up to the super-high density olive orchards with more than 1000 trees per hectare) in order to increase mechanisation and reduce cultivation costs [2]. For the earliest super-high-density (SHD) olive orchards, a relatively limited number of cultivars, primarily Arbequina, Arbosana, and Koroneiki, have been utilised [3].…”

Section: Introductionmentioning

confidence: 99%

“…Architectural traits of the canopies, such as the volume, branching pattern, and length and diameter of primary branches, provide useful information about the suitability of the cultivars to form a continuous hedgerow [4], as well as about the major or the lower susceptibility of the plants to damage induced by the mechanical harvester [16]. Other traits such as branching frequency along the central leader and the ability for secondary branching are important traits linked to the ability of the tree to fill the canopy of potential flowering/fruiting buds [2,6]. By the spreading of the SHD olive model, there are concerns about the loss of local germplasm and olive biodiversity [6,17].…”

Section: Introductionmentioning

confidence: 99%

“…Research efforts are directed to enrich the range of olive cultivars suitable for SHD. Among regional olive cultivars, some of them (e.g., Maurino, Leccino, Moraiolo, and Piantone di Mogliano) presented suitable features for SHD plantation patterns [2,3,6,14,17,18] and for the mechanisation of the canopy management operation [14]. New cultivars were obtained by cross-breeding programs [19,20].…”

Section: Introductionmentioning

confidence: 99%

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

Lodolini,

de Iudicibus,

Lucchese

et al. 2023

Agriculture

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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.

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Sustainable Crop Production

Neri

Silvestroni

Baldoni

et al. 2020

The First Outstanding 50 Years of “Università Politecnica Delle Marche”

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with a Japanese Government (Monbukagakusho: MEXT) Scholarship. Later, he completed his postdoctoral research at the Center of Molecular Biosciences (COMB), University of the Ryukyus, Okinawa, Japan, with a postdoctoral fellowship from the Japan Society for the Promotion of Science (JSPS). Subsequently, he joined the University of Tasmania as an adjunct senior researcher with an Endeavor Research Fellowship from the Australian government. Dr. Hasanuzzaman has conducted research in crop science with a focus on environmental stress physiology since 2004. He has published more than 100 articles in peer-reviewed journals and books. He has edited thirteen books and written thirty-five book chapters on important aspects of plant physiology, plant stress responses, and environmental problems in relation to plant species. Dr. Hasanuzzaman is a research supervisor of undergraduate and graduate students and has supervised twenty MS students to date. He is an editor and reviewer for more than fifty peer-reviewed international journals.

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Architectural characteristics of six olive cultivars with respect to their suitability for high density orchards

Cited by 7 publications

References 7 publications

Micropropagation Effects on Juvenile Traits, Flower Differentiation, and Tree Architecture in Young Olive Trees

Micropropagation Effects on Juvenile Traits, Flower Differentiation, and Tree Architecture in Young Olive Trees

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

Sustainable Crop Production

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