Phenological growth stages of olive trees (<i>Olea europaea</i>)

Sanz-Cortés, F.; Martı́nez-Calvo, José; Badenes, M. L.; Bleiholder, H.; Hack, H.; Llácer, G.; Meier, Uwe

doi:10.1111/j.1744-7348.2002.tb00167.x

Cited by 197 publications

(113 citation statements)

References 12 publications

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“…In the first season (2011-2012), they had a low crop load ("off" year: average 6.3 kg/tree), i.e., with few fruits; in the 2012-2013 season all trees had high fruiting ("on" year: average 28.2 kg/tree). In order to identify the vegetative and reproductive phenological stages in which the measurements were taken, the standardized BBCH scale system of Sanz-Cortés et al (2002) was used. In this way, the phenophases winter rest, budbreak, full bloom, fruit set, pit hardening and veraison correspond, on this scale, to stages 00 in the development of the vegetative buds, 31 in shoot development, 65 and 69 in flowering, 75 in fruit development and 81 in fruit maturity, respectively.…”

Section: Olive Tree Selection and Follow-upmentioning

confidence: 99%

Effect of crop load on the phenological, vegetative and reproductive behavior of the ‘Frantoio’ olive tree (Olea europaea L.)

Beyá-Marshall

Fichet

2017

Ciencia e investigación agraria

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V. Beyá-Marshall, and T. Fichet. 2017. Effect of crop load on the phenological, vegetative and reproductive behavior of the 'Frantoio' olive tree (Olea europaea L.). Cien. Inv. Agr. 44(1): 43-53. The aim of this study was to characterize the phenological, vegetative and reproductive behavior variables of 'Frantoio' olive trees in an "off" year (with a low crop load) and an "on" year (with a high crop load). To do this, during the 2011-2012 and 2012-2013 seasons, "off" and "on", respectively, phenological variables, plant growth (shoots and roots) and reproductive growth (type of flower, fruit set and growth), were monitored biweekly. In addition, the yield per tree was assessed, and the crop load was estimated. The main results showed that crop load strongly influenced these variables. The distribution and intensity of vegetative growth, both in the roots and aboveground, decreased more and had lower intensity in the high fruiting season, with a large part of this growth occurring prior to flowering. With respect to reproductive variables, a higher percentage of perfect flowers and fruit set in the low flowering season was observed compared to the high load season. These results suggest a partial crop load compensation mechanism under low flowering conditions. This mechanism, however, does not compensate for lower production in the "off" season. In terms of volume, fruit growth was similar between seasons until pit hardening, then the fruit growth rate dropped dramatically in the "on" season, indicating that fruit growth, until pit hardening, would not be affected by the presence of a higher number of fruits per tree.

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Section: Olive Tree Selection and Follow-upmentioning

confidence: 99%

Effect of crop load on the phenological, vegetative and reproductive behavior of the ‘Frantoio’ olive tree (Olea europaea L.)

Beyá-Marshall

Fichet

2017

Ciencia e investigación agraria

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“…Farmers, especially small growers, are actively involved in planning and evaluation process (http://www.fao.org). Citrus orchard management requires sound understanding of physiology and crop phenological stages that differ with environmental conditions [17,18]. Appropriate and timely implementation of management activities enhances plant physiological functions with the final outcome of economic efficiency, i.e., in terms of resource use.…”

Section: Open Accessmentioning

confidence: 99%

Adoption of improved citrus orchard management practices: a micro study from Drujegang growers, Dagana, Bhutan

Dorji¹,

Lakey²,

Chophel

et al. 2016

Agric & Food Secur

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Background: Citrus ranks top among the agricultural export commodities of Bhutan both in terms of volume and value. However, citrus cultivation practices still remain traditional with very low yield and inferior fruit quality. This study adopted community approach to identify basic components of citrus orchard management. Citrus growers of Drujegang were trained on citrus orchard management and assessed the impact of training on the adoption of management technology and subsequent effect on the yield and household (HH) income for 40 randomly selected individuals.Results: Statistical results showed significant difference both in terms of adoption of improved orchard management practices (p = 0.04) and HH income generation (p = 0.01). Adoption of improved management practices increased from 4.54 % (in 2012) to over 16 % (in 2014) with a mean yield increase of 27.5 % (212 kg acre −1 ) over previous year. Similarly, mean production increased from 5376 (2012) Conclusions:Hands-on training on basic orchard management increased the rate of adoption and resulted in increased yield and production. Huge potential exists in enhancing the livelihood of citrus growers by taking forward the available orchard management technology to growers through appropriate research and extension intervention. Therefore, replication of similar participatory approach at community level is recommended in other parts of the country.

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“…Five flowering shoots per host tree were chosen for five different crosses. Twenty-five to 30 flowers per shoot were selected just before opening (large white flower buds in the phenological stage 60 based on BBCH scale [Sanz-Cortes et al 2002]), opened with forceps and crossed using a fine paintbrush. To avoid unwanted pollen, hands and all equipment were washed with 70% ethanol after every cross.…”

Section: Methodsmentioning

confidence: 99%

Sexual compatibility and floral biology of some olive cultivars

Seifi

Guerin

Kaiser

et al. 2011

New Zealand Journal of Crop and Horticultural Science

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Pollen tube observation was used to assess the self-and cross-incompatibility of the olive (Olea europaea L.) cultivars 'Frantoio', 'Koroneiki' and 'Kalamata'. The pistils were harvested 1 week after hand pollination and stained with 0.1% aniline blue. The styles and ovules were separated, mounted in 80% glycerol and observed under a fluorescence microscope. All the cultivars studied were self-incompatible. 'Frantoio' (as a host) was incompatible with 'Koroneiki' and 'Barnea' but partially compatible with 'Mission'. 'Koroneiki' (as a host) was incompatible with 'Barnea' but partially compatible with 'Frantoio' and 'Mission'. 'Kalamata' (as a host) was compatible with 'Barnea', incompatible with 'Mission' and 'Koroneiki' in 2004, but partially compatible with them in 2005. The effects of shoot orientation and inflorescence location on inflorescence characteristics were also studied. For each cultivar, inflorescence characteristics in three sections of shoots (top, middle and base) and four sides of the three selected trees (north, south, east and west) were recorded. The statistical analysis showed that basal inflorescences were shorter and with fewer flowers but with the same percentage of perfect flowers. Shoot orientation did not have any influence on these characteristics in any of the cultivars.

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Phenological growth stages of olive trees (Olea europaea)

Cited by 197 publications

References 12 publications

Effect of crop load on the phenological, vegetative and reproductive behavior of the ‘Frantoio’ olive tree (Olea europaea L.)

Effect of crop load on the phenological, vegetative and reproductive behavior of the ‘Frantoio’ olive tree (Olea europaea L.)

Adoption of improved citrus orchard management practices: a micro study from Drujegang growers, Dagana, Bhutan

Sexual compatibility and floral biology of some olive cultivars

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