Ripening time and fruit characteristics of advanced olive selections for oil production

2008 ◽  
Vol 59 (1) ◽  
pp. 46 ◽  
Author(s):  
Raúl de la Rosa ◽  
Lorenzo León ◽  
Inmaculada Moreno ◽  
Diego Barranco ◽  
Luis Rallo
Keyword(s):  
Field Trial ◽  
Oil Content ◽  
Weight Ratio ◽  
Fruit Weight ◽  
First Year ◽  
Fruit Characteristics ◽  
Fruit Removal ◽  
Ripening Time ◽  
Agronomic Evaluation ◽  
Olive Cultivars

In the olive breeding program of Córdoba, Spain, the first 15 obtained selections have recently been tested in a comparative field trial, including their genitors, ‘Arbequina’, ‘Frantoio’ and ‘Picual’, as a control. In this work, we report the evaluation of the fruit characteristics and ripening time of those selections. Average data recorded in the comparative field trial orchard in two consecutive harvest seasons were used for statistical analysis. A high degree of variability and significant differences between genotypes were obtained for all the fruit characteristics analysed, and for ripening time and extractability index. For most of those parameters, selections showing better values than the genitors have been found. In particular, many of the selections had higher oil content than the genitors. Data for seedling plants evaluation was significantly correlated with data of the reported field trial for fruit weight, fruit removal force/fruit weight ratio and oil content. This indicates that selection in the seedling stage for these characters can be efficiently performed, even when only the first year of agronomic evaluation of the seedling is considered. On the contrary, seedling selection for fruit moisture, fruit removal force and ripening date seems to be difficult to perform. In summary, the results of the agronomic evaluation suggest that some of the selections could be released as new olive cultivars in the near future, for first time in Spain.

scholarly journals Drip Irrigation Elevated Olive Productivity in Southwest China

2019 ◽  
Vol 29 (2) ◽  
pp. 122-127 ◽  
Author(s):  
Quan Liu ◽  
Yan Lan ◽  
Feng Tan ◽  
Yunbiao Tu ◽  
Yingying Sun ◽  
...  
Keyword(s):  
Drip Irrigation ◽  
Vegetative Growth ◽  
Oil Content ◽  
Southwest China ◽  
Fruit Weight ◽  
Vital Role ◽  
Fruit Characteristics ◽  
Irrigation Strategy ◽  
Positive Effects ◽  
Olive Cultivars

Water is essential for crops and plays a vital role in olive (Olea europaea) growth. Three irrigation treatments, rain-fed (CK), flood irrigation (FI), and drip irrigation (DI), were applied from late November to late May in a 2-year study (Nov. 2015 to Oct. 2017) on two olive cultivars, Coratina and Koroneiki. Shoot growth, flower and fruit characteristics, and olive and oil yields were measured. Compared with CK, FI had significantly higher values of vegetative growth, olive and oil yields, moisture content, and oil content. Although the fruit weight, pulp rate, and oil content with DI were the lowest, our results support that DI had the greatest positive effects on olive vegetative growth, flowers, fruit set, and olive and oil yields. It is suggested that DI in winter and spring is the best irrigation strategy for olive productivity in southwest China.

scholarly journals Fruit and Oil Characteristics of Olive Candidate Cultivars from Turkey

2016 ◽  
Vol 44 (1) ◽  
pp. 147-154 ◽  
Author(s):  
Yasin OZDEMIR ◽  
Aysun OZTURK ◽  
Engin GUVEN ◽  
Muge ASAN NEBIOGLU ◽  
Nesrin AKTEPE TANGU ◽  
...  
Keyword(s):  
Fatty Acid Composition ◽  
Fatty Acid ◽  
Acid Composition ◽  
Oil Content ◽  
Free Acid ◽  
Fruit Weight ◽  
Olive Cultivars ◽  
Good Potential ◽  
Oil Characteristics ◽  
Free Acid Content

This is the first study in Turkey that evaluated olive fruit and oil characteristics of 23 cultivar candidates selected among 393 olive genotypes, on the bases of agronomical characteristics; the candidate cultivars were obtained by cross breeding between standard cultivars ('Gemlik', 'Edinciksu', 'Uslu', 'Tavşan Yüreği', 'Karamürselsu') and foreign cultivars ('Lucques', 'Belle d'Espagne' and 'Manzanilla'). Fruit traits such as fruit weight, flesh to seed ratio, fruit and seed size, as well as oil characteristics such as moisture, oil content, specific absorption at ultraviolet light, free acid content, peroxide value, chlorophyll and fatty acid composition were determined. Fruits and oils of intensely cultivated 'Gemlik' and 'Ayvalık' olive cultivars were also analyzed to compare them with the new candidate cultivars. According to the oil content, 'GE067' (23.30%), 'GE181' (23.97%), 'GE366' (22.52%), 'GE417' (22.16%), 'GT009' (24.14%), 'GT014' (21.02%), 'GU247' (22.48%), 'GU320' (27.15%) and 'GU434' (21.89%) gave better results, thus having good potential for registration as new cultivars for oil production. 'GE366' and 'GU434' were determined as the best cultivar candidates for producing dual purpose olives (table olives and oil). 'GE363' had the best fatty acid composition, which is an important feature in terms of oxidative stability and disease prevention.

scholarly journals Preliminary Evaluation of Olive (Olea europaea L.) Cultivars in Northwest and Central of Mexico

2020 ◽  
pp. 10-17
Author(s):  
Raúl Leonel Grijalva-Contreras ◽  
Rubén Macías-Duarte ◽  
Arturo López-Carvajal ◽  
Fabián Robles-Contreras ◽  
Manuel de Jesús Valenzuela-Ruiz
Keyword(s):  
Central Region ◽  
Oil Content ◽  
Block Design ◽  
Oil Quality ◽  
Virgin Olive Oil ◽  
Fruit Weight ◽  
Yield Potential ◽  
Preliminary Evaluation ◽  
Olive Cultivars ◽  
Northwest Region

A strategy to improve productivity in olive orchards is the evaluation of cultivars that respond better to the environmental growing conditions The objective of this experiment was to evaluate the yield potential and oil quality of five olive cultivars (Arbequina, Coratina, Manzanilla, Arbosana and Mission) in two regions of Mexico. The experiment was carried out during two consecutive years 2018 and 2019. At Northwest Region the five olive cultivars were planted in 2013 at a spacing of 10 x 5 m (having 200 trees ha-1) and Central Region olive cultivars were planted in 2013 at spacing of 6 x 6 m (278 trees ha-1) and both locations under drip irrigation systems. The variables evaluated were:  yield, fruit weight, oil content and oil quality (acidity, peroxide value and absorbance K232 and K270). The experiment was analyzed using a randomized complete block design with four replications.  Our results showed high differences between locations, Arbequina was the cultivar with the highest yield at the fifth and sixth years of planting with an average of 48.8 kg tree-1 at Northwest Region and only 15.5 kg tree-1 at Central Region. The cultivar with the highest oil content in the Northwest Region was Manzanilla with an average of 12.3% and the lowest for Arbequina with only 9.3%, while at Central Region the cultivar with the highest oil content was Coratina with 20.2% and the lowest in Manzanilla with 16.1%. Extra virgin olive oil was obtained in all the cultivars in both locations according to chemical analysis. Finally, it is necessary to continue with the evaluation of other varieties with resistance to high temperatures at Northwest Region and resistance to frost at Central Region.

scholarly journals Pollenizer and Cultivar Influence Seed Number and Fruit Characteristics in Olea europaea L.

HortScience ◽  
2012 ◽  
Vol 47 (10) ◽  
pp. 1430-1437 ◽  
Author(s):  
Daniela Farinelli ◽  
Pierluigi Pierantozzi ◽  
Assunta Maria Palese
Keyword(s):  
Seed Quality ◽  
Seedling Survival ◽  
Central Italy ◽  
Fruit Weight ◽  
Seed Number ◽  
Fruit Characteristics ◽  
Final Weight ◽  
Normal Seed ◽  
Olive Cultivars ◽  
Dispersal Unit

The effect of several pollination combinations of the olive cultivars Ascolana Tenera, Carolea, Leccino, and Picholine on seed quality and seed number and drupe and seed features were evaluated in 2007 and in 2008 in central Italy. The well-known pattern in olive fruit was confirmed by the high percentage of drupes (71.8%, on average) containing one seed with a closed endocarp, as the dispersal unit, optimizing the plant’s investment in seedling survival. Based on the results of the χ2 test of independence, there was a significant maternal and paternal effect on the number of normal seeds per drupe in some years and combinations. Particularly, in 2007, Picholine and Leccino cultivars (as mother) had drupes with two normal seeds (23.7% and 3.1%, respectively, with respect to 10.8% observed in a normal seed pattern), confirming that double-seeding in olive could be cultivar-dependent. Also the specific crosspollination between ‘Carolea’, as a pollenizer, and ‘Ascolana Tenera’ gave rise to a higher proportion of double-seeded drupes in 2007 (39% with respect to 14.3% expected to be in this category). In 2008, although ‘Ascolana Tenera’ produced more drupes with undeveloped seeds (31.9% with respect to 19.7% expected to be in that category), ‘Leccino’ and ‘Carolea’ had drupes with a lower number of undeveloped seed (14.2% and 11.5%, respectively). ‘Maurino’ and ‘Ascolana Tenera’ pollen produced significant effects on ‘Leccino’ drupes by increasing the number of drupes with undeveloped seeds in both experimental years. Double-seeded drupes outweighed those with only one normal seed in ‘Leccino’ and ‘Picholine’. Instead, drupes with undeveloped seeds affected fruit weight, being generally lighter than those with normal seeds. Although the Leccino cultivar, combined with ‘Maurino’ and ‘Ascolana Tenera’, greatly increased the proportion of drupes without normal seed, such condition did not affect their final weight, which was not different from those with one normal seed, suggesting that this variety caused late seed death.

scholarly journals Effect of Loosening Agent Sprays on the Efficiency of the Mechanical Harvesting of ‘Arbequina’ Olives

HortScience ◽  
2012 ◽  
Vol 47 (10) ◽  
pp. 1419-1423
Author(s):  
Antònia Ninot ◽  
Agustí Romero ◽  
Joan Tous ◽  
Ignasi Batlle
Keyword(s):  
Oil Content ◽  
Block Design ◽  
Large Degree ◽  
Fruit Weight ◽  
Phosphorus Compounds ◽  
Fruit Removal ◽  
Leaf Drop ◽  
Monopotassium Phosphate ◽  
Olive Trees ◽  
Ripeness Index

The aim of this work was to evaluate the effect of ethephon (2-chloroethylphosponic acid), applied either alone or in combination with phosphorus compounds, on olive trees (Olea europaea L.) to improve the efficiency of mechanical harvesting. The trial was carried out in mature ‘Arbequina’ olive trees located in northeast Spain during the 2007 and 2008 olive crop seasons. In 2007, the olive trees were sprayed with 300 or 500 mg·L−1 of ethephon combined with two phosphoric formulations: monopotassium phosphate (MKP), at 15 g·L−1 or 30 g·L−1 and monoammonium phosphate at 15 g·L−1. In 2008 olive trees were sprayed with two ethephon concentrations (150 or 300 mg·L−1) in combination with 15 g·L−1 or 30 g·L−1 MKP or alone. Harvesting was performed with a commercial trunk shaker. Data were analyzed as a randomized complete block design with eight replications. Fruit removal force (FRF), ripeness index, fruit weight, natural drop, shaking efficiency (SE), leaf drop (LD), oil content, and bloom intensity of the next year’s bloom were measured. The trial treatments did not significantly affect ripeness index or oil content. Ethephon reduced FRF and increased shaking efficiency with significant differences. P compounds did not seem to affect FRF and LD. Small amounts of ethephon (150 mg·L−1) caused a large degree of fruit loosening (a 77% reduction in FRF at 11 days), which was sufficient to improve the efficiency of mechanical harvesting with minimal leaf drop.

scholarly journals Fruit characteristics of six candidate olive cultivars

2018 ◽  
Vol 30 (1) ◽  
pp. 169-177 ◽  
Author(s):  
Yasin Ozdemir ◽  
Nesrin Aktepe Tangu ◽  
Aysun Ozturk ◽  
Mehmet Emin Akcay ◽  
Sezai Ercisli
Keyword(s):  
Antioxidant Activity ◽  
Phenolic Content ◽  
Fruit Weight ◽  
Total Phenolic ◽  
Table Olives ◽  
Fruit Characteristics ◽  
Physical Chemical ◽  
Olive Cultivars ◽  
Standard Cultivar ◽  
Horticultural Research

AbstractSome important physical, chemical and sensory characteristics of raw and processed olives (processed by the same scratched table olive process) were investigated. In the study, six candidate cultivars obtained by cross-breeding and one standard cultivar (‘Domat’) grown together in an olive breeding and observation plot in the Ataturk Central Horticultural Research Institute in Turkey were investigated. Fruit weight and flesh-to-seed ratio of fresh raw olives ranged from 5.18 to 7.65 g and 4.8 to 6.3, respectively. LT011 had the highest fruit weight, whereas LT001 and LE001 had the highest flesh-to-seed ratio. Total phenolic content and antioxidant activity of the produced table olives were estimated between 102 and 141 mg gallic acid equivalents per 100 g−1fresh weight, and 13.4 and 14.9 µmol Trolox 100 g−1, respectively. Fruits of LT001 had higher appearance, taste, bitterness and general appreciation scores than the others. LT001 showed a lesser loss of oleuropein absorbance and antioxidant activity than the others during processing. The results of this study revealed that LE001, LT001 and LT011 had superior characteristics for the production of scratched green table olives.

scholarly journals Morphological and Molecular Characterization of Major Quince Cultivars from Turkey

2016 ◽  
Vol 44 (1) ◽  
pp. 72-76 ◽  
Author(s):  
Hasan PINAR ◽  
Suat KAYMAK ◽  
Serif OZONGUN ◽  
Aydın UZUN ◽  
Mustafa UNLU ◽  
...  
Keyword(s):  
Genetic Similarity ◽  
Fruit Weight ◽  
Asia Minor ◽  
Diversity Analysis ◽  
Cydonia Oblonga ◽  
Fruit Characteristics ◽  
Rosaceae Family ◽  
High Level ◽  
Morphological And Molecular Characterization

Quince (Cydonia oblonga Mill.) belongs to the Rosaceae family is native to south-eastern Europa and Asia Minor. It is generally used for table consumption and processed into jam, jelly and marmalade. It is also used as dwarfing rootstock for pear cultivars. In the present study, fruit characteristics and genetic diversity of 17 quince cultivars from Turkey were investigated. For fruit characteristics, 'Bardacik' had the highest fruit weight. The highest SSC/Acidity ratio were obtained from 'Osmancik'. There was high level of variation in fruit characteristics among cultivars. In molecular analysis, totally 133 bands were obtained from 23 sequence-related amplified polymorphism (SRAP) primer combinations and 67 of them were polymorphic. Genetic similarity of 17 cultivars was between 0.78 and 1.00. Two cultivars ('Sekergevrek' and '32S04') were found to be more distinct from the other cultivars genetically. This study showed that there was low level of genetic variation most of quince cultivars grown in Turkey. SRAP markers firstly used in quince with this study indicating that it can be used for characterization and diversity analysis of quince.

scholarly journals Some Fruit and Oil Characteristics of Ever Green Type Olive Cultivar Candidates (Le002 and Mt087)

2021 ◽  
Vol 4 (2) ◽  
Keyword(s):  
Dry Matter ◽  
Oil Content ◽  
Fatty Acid Content ◽  
Matter Content ◽  
Marmara Region ◽  
Dry Matter Content ◽  
Olive Cultivar ◽  
Olive Cultivars ◽  
Black Olive ◽  
Oil Characteristics

LE002 and MT087 cultivar candidates had olive fruits their color is never turn black from green until they fall down. So that their olives described as evergreen fruit. In this study olives were harvested at of first day of November normally other olive cultivars have whole black olive but LE002 and MT087 have green olives. Oil and dry matter content of LE002 and MT087 fruits were determined after that oils were produced by cold press and free fatty acid content, peroxide value and absorbency in ultraviolet light of oils were detected. Dry matter and oil content of olives were 41,0% and 19,47% for MT087 and 45,96% and 23,42% for LE002. Oil content of green olives were lower than these detected values for Marmara region of Turkey. All the analyses result of oils was between the limits of olive oil standards and regulations. So that both these cultivar candidates should be more analyzed to be determine their oil characteristics for future cultivar registration and certification steps.

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