Olives and olive oil production in the Alto Ricaurte climate region in Boyaca, Colombia

Ruiz, Sebastian; Carvajal, R.; Garcia, M José Francisco; Almanza-Merchán, Pedro José

doi:10.17584/rcch.2019v13i1.9202

Cited by 2 publications

(1 citation statement)

References 19 publications

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“…However, the continued increase in demand for productivity has caused the olive sector to adopt new management strategies: harvest mechanization, super high-density systems, irrigation, and the use of new and more productive cultivars ( Díez et al , 2015 ; Rallo et al , 2018 ; Lo Bianco et al , 2021 ). The olive tree is also expanding beyond the Mediterranean boundaries in places such as China and the Americas, where its adaptation is occasionally uncertain ( Ruiz et al , 2019 ; Sánchez-Estrada and Cuevas, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Pollen production in olive cultivars and its interannual variability

Rojas-Gómez,

Moral,

López-Orozco

et al. 2023

Annals of Botany

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Background and Aims Olive (Olea europaea subsp. europaea var. europaea) is the most extensively cultivated fruit crop worldwide. It is considered a wind-pollinated and strictly outcrossing crop. Thus, elevated pollen production is crucial to guarantee optimum fruit set and yield. Despite these facts, the variability of pollen production within the cultivated olive has been scarcely studied. This study is aimed to characterize this feature by analysing a representative set of worldwide olive cultivars. Methods We evaluated the average pollen grains per anther in 57 principal cultivars over three consecutive years. We applied a standard generalized linear model (GLM) approach to study the influence of cultivar, year and previous year fruit load on the amount of pollen per anther. Additionally, the K-means method was used for cluster analysis to group cultivars based on their pollen production capacity. Key results Pollen production per anther was highly variable among olive cultivars. The cultivar significantly accounted for 51.3% of the variance in pollen production and the year for 0.3%. The interaction between both factors explained 8.4% of the variance, indicating that not all cultivars were equally stable in producing pollen across the years. The previous year fruit load and its interaction with the year were significant, but barely accounted for 1.5% of the variance. Olive cultivars were classified into four clusters according to their capacity to produce pollen. Interestingly, the fourth cluster was composed of male-sterile cultivars, which presumably share this character by inheritance. Conclusions Pollen production per anther varied extensively within the cultivated olive. This variation was mainly driven by the cultivar and its interaction with the year. The differential capacity of olive cultivars to produce pollen should be considered not only for designing new orchards but also gardens where this species is used as ornamental.

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Section: Introductionmentioning

confidence: 99%

Pollen production in olive cultivars and its interannual variability

Rojas-Gómez,

Moral,

López-Orozco

et al. 2023

Annals of Botany

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Can Olive Pruning Forms Influence the Olive Rhizosphere? The Root Microbiota and the Rhizosphere Properties in the Alto Ricaurte (Colombia)

et al. 2022

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(1) Background: Olive in Colombia is not a traditional crop, but in the Andean Region, ancient olive trees are widespread. The area is characterized by a climate condition with a high intensity of UV rays and meteoric events that negatively affect the olive grown. In this work, changes in the soil of olive trees subjected to different pruning will be established. (2) Methods: Olive trees of 2-years-old were cultivated in Boyacá (Colombia). Trees were pruned into a vase shape, globe shape, and natural shape. Physical, chemical, and biological soil analyses were carried out. (3) Results: In the olive tree, V and G pruning significantly increase the P content in the soil compared to NS, and these pruning forms reduce the OOC significantly in the rhizosphere soil by 87.5% and 78.3%, respectively. In all conditions, the roots established an association with Arbuscular Mycorhizal Fungi and stimulated the presence of other microorganisms, despite the trees being more vegetative than productive in this latitude. (4) Conclusions: The results of the study indicate that, in Colombian conditions, the pruning does not affect the rhizospheric soil conditions.

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Olives and olive oil production in the Alto Ricaurte climate region in Boyaca, Colombia

Cited by 2 publications

References 19 publications

Pollen production in olive cultivars and its interannual variability

Pollen production in olive cultivars and its interannual variability

Can Olive Pruning Forms Influence the Olive Rhizosphere? The Root Microbiota and the Rhizosphere Properties in the Alto Ricaurte (Colombia)

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