Behavior of Super-Intensive Spanish and Greek Olive Cultivars Grown in Northern Tunisia

Abstract

This work was carried out on the characterization of virgin olive oils from Spanish cultivars: "Arbequina," "Arbequina Greek one "Koroneiki" in northern Tunisia under high-density planting system. The quality and typicality of the oils were to be ascribed not only to the olive variety but in large part also to zone of plantation so that, the aim of this work was to study the behavior of these varieties and mainly changes in their oil composition under Tunisian pedo-climatic conditions. Analyses of major components (fatty acids and triacylglycerols) and minor ones (pigments and phenolic compounds) were carried out. Oxidative stability, free acidity, peroxide value, ultraviolet characteristics, accumulation and changes in fatty acid levels during fruit ripening were also analysed.Results showed significant differences between oils from the studied cultivars and the majority of the studied analytical parameters were greatly influenced by the cultivar-environment interaction.

Fatty Acid and Phenolic Compound Concentrations in Eight Different Monovarietal Virgin Olive Oils from Extremadura and the Relationship with Oxidative Stability

“…The FA values of OOs present a wide range of variability, with genetic factors explaining 73%–80% of the differences between varieties [14]. However, other factors, such as the edaphoclimatic conditions [36,37,38,39], also influence the said composition.…”

Performance and oil quality of ‘Arbequina’ and four Italian olive cultivars under super high density hedgerow planting system cultivated in central Italy

“…To date, only three cultivars of low vigour ('Arbequina', 'Arbosana' and 'Koroneiki') are widely used in SHD hedgerow orchards Allalout et al, 2011;Tous et al, 2011). Clones of these cultivars make up the vast majority of orchards planted in hedgerow systems in Spain (Tous et al, 2011), Italy (Godini et al, 2011) and Tunisia (Larbi et al, 2006(Larbi et al, , 2011.…”

“…However, after more than 20 years the limited availability of cultivars suitable for SHD olive orchards still remains as one of the main inconvenient (Dag et al, 2006;Godini, 2006;Larbi et al, 2006;Tombesi, 2006;Tous et al, 2014). Some more trials have been or are still under study in Spain and other countries to evaluate the behaviour of several local and foreign cultivars at high planting densities, from around 800 to almost 2600 trees ha −1 (Lavee et al, 2003;Camposeo et al, 2006;Tous et al, 2006Tous et al, , 2008De La Rosa et al, 2007;Larbi et al, 2006Larbi et al, , 2011León et al, 2007;Pastor et al, 2007;Rallo et al, 2008;Camposeo and Godini, 2009;Allalout et al, 2011;Moutier et al, 2011;Tombesi et al, 2011).…”

Olive genotypes cultivated in an adult high-density orchard respond differently to canopy restraining by mechanical and manual pruning

“…Indeed, up to now only two Spanish cultivars, Arbequina and Arbosana, and the Greek Koroneiki have been demonstrated to have vegetative (medium-low vigour, slow canopy growth) and productive (early bearing, high yield efficiency) parameters fitting this new cropping system (Camposeo et al, 2008;Camposeo and Godini, 2010;Connor et al, 2014). Several aspects of varietal behavior have already begun to be studied for this new cropping system in Mediterranean environments: productive and vegetative parameters (Camposeo et al, 2008;Tous et al, 2010,4;Farinelli 2011, 2014;Allalout et al, 2011;Moutier et al, 2011;Papachatzis et al, 2011;Larbi et al, 2015;Proietti et al, 2015), plant architecture (Rosati et al, 2013;Strippoli et al, 2013), light interception (Connor and Gómez-delCampo, 2013), soil management Russo et al, 2014), ecophysiology and irrigation (Proietti et al, 2012;Gómez-del-Campo, 2013;Vivaldi et al, 2013), harvesting time . So, varietal response to pruning is still a crucial topic to be investigated in order to supply information about the agronomic management of high-density oliveculture for different cultivated genotypes (Connor et al, 2014).…”