Interaction Between Shoot Growth and Reproductive Behavior in Olive Trees

Castillo-Llanque, Franco; Rapoport, Hava F.; Navarro, Cristina

doi:10.17660/actahortic.2008.791.68

Cited by 6 publications

(3 citation statements)

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“…Fruits representing more than 65% of the seasonal dry matter accumulated in the fruiting shoots, reduce shoot growth in bearing years and affects fruit ripening [20]–[21]. Both reproductive shoot percentage and flowering have been reported to be substantially higher in previously non-bearing olive trees [18]. The relationship between the reproductive behaviour and new shoot development has been studied on the olive cultivar ‘Hojiblanca’, showing that even though new shoots development was higher for non-bearing years, shoots were predominantly of short length during both bearing and non-bearing years [22].…”

Section: Introductionmentioning

confidence: 99%

QTL Mapping of Flowering and Fruiting Traits in Olive

et al. 2013

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One of the challenge fruit growers are facing is to balance between tree production and vegetative growth from year to year. To investigate the existence of genetic determinism for reproductive behaviour in olive tree, we studied an olive segregating population derived from a cross between ‘Olivière’ and ‘Arbequina’ cultivars. Our strategy was based on (i) an annual assessment of individual trees yield, and (ii) a decomposition of adult growth units at the crown periphery into quantitative variables related to both flowering and fruiting process in relation to their growth and branching. Genetic models, including the year, genotype effects and their interactions, were built with variance function and correlation structure of residuals when necessary. Among the progeny, trees were either ‘ON’ or ‘OFF’ for a given year and patterns of regular vs. irregular bearing were revealed. Genotype effect was significant on yield but not for flowering traits at growth unit (GU) scale, whereas the interaction between genotype and year was significant for both traits. A strong genetic effect was found for all fruiting traits without interaction with the year. Based on the new constructed genetic map, QTLs with small effects were detected, revealing multigenic control of the studied traits. Many were associated to alleles from ‘Arbequina’. Genetic correlations were found between Yield and Fruit set at GU scale suggesting a common genetic control, even though QTL co-localisations were in spe`cific years only. Most QTL were associated to flowering traits in specific years, even though reproductive traits at GU scale did not capture the bearing status of the trees in a given year. Results were also interpreted with respect to ontogenetic changes of growth and branching, and an alternative sampling strategy was proposed for capturing tree fruiting behaviour. Regular bearing progenies were identified and could constitute innovative material for selection programs.

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Section: Introductionmentioning

confidence: 99%

QTL Mapping of Flowering and Fruiting Traits in Olive

et al. 2013

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“…L"eau appliquée après la nouaison des fruits et jusqu"à leur véraison affecte la taille finale des olives et la production d"huile [11], [13], [18], [54] et [55]. En effet, de nombreuses études [13], [23], [32], [33], [35], [36], [38], [39], [50], [58] et [59] Les fruits deviennent alors les premiers responsables de la répartition des assimilats [53]. C"est pourquoi une année de forte charge est généralement suivie par des rendements moins élevés même sous des conditions de culture optimales.…”

Section: Introductionunclassified

Efficience de l’Utilisation de l’Eau : Un Outil d’Aide pour le Choix Varietal en Oliveraie Intensive ? = Efficiency of Water Use : A Tool for Aid for Variety Choice in Intensive Oliveraie ?

Masmoudi-Charfi¹,

Msallem²,

Abdallah³

2016

Bioressources

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Ce travail a été réalisé sur une collection variétale d"oliviers (Olea europaea L.) cultivée au Nord de la Tunisie dans l"objectif d"évaluer la capacité de ces variétés à valoriser l"eau et d"en établir une classification sur la base de leurs efficiences de l"utilisation de l"eau pour la croissance des pousses et des fruits (EUE pousse et EUE fr, mm de croissance /m 3 I+P) et pour la production d"olives (kg/m 3 I+P). Ces dernières ainsi que les productions par arbre ont été suivies pendant 3 campagnes sur 29 variétés, représentées chacune par 3 arbres. Les résultats ont montré des différences importantes au niveau des valeurs de EUE. Pour les fruits, les efficiences ont varié de 0.20 à 6.22 mm/m 3 selon la variété avec des moyennes de 1.0 mm/m 3 en 2010, 4.2 mm/m 3 en 2012 et 3.3 mm/m 3 en 2013. Des efficiences supérieures à 2 mm/m 3 ont été obtenues chez les cultivars Barouni et Madurel et inférieures à 1 mm/m 3 chez "Koroneiki", "Arbequina", "Chemlali" et "Coratina". Les efficiences moyennes pour la production d"olives EUE p ont atteint 1.49 kg/m 3 en 2010, 2.02 kg/m 3 en 2012 et 3.28 kg/m 3 en 2013, avec des maximales observées chez "Chemlali" (2.11 kg/m 3 en 2010 et 10.06 kg/m 3 en 2012) et "Galega" (7.74 kg/m 3) et des minimales obtenues pour "Arbéquina" en 2010 (0.72 kg/m 3), "Manzanille" en 2012 (0.03 kg/m 3) et "Sayali" en 2013 (0.59 kg/m 3). Pour conclure, on peut dire que les variétés valorisent l"eau différemment. Les valeurs de l"EUE présentées pourront être utilisées pour guider l"oléiculteur dans le choix variétal, qui sera fait selon le but escompté. Les valeurs de l"EUE fr sont utiles pour le choix des variétés d"olives de table alors que celles relatives à la production (EUE p) conviennent pour les vergers à olives à huile. Les valeurs de EUE pousse sont convenables pour les parcs à bois et le bouturage herbacé. Une attention particulière devra être attribuée au taux de couverture du sol, qui est une composante essentielle dans la détermination des besoins en eau de la culture et qui se trouve liée à l"EUE. Mots clés : Couverture du sol, retraction du diamètre du fruit, pomologie, productivité, correlations.

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“…Similar hypothesis about the inhibition of the floral induction by developing fruits as well as the role of vegetative growth under bearing condition are privileged [15,16]. Fruit production has a competitive effect on new vegetative development, and thus on the formation of potential flowering sites as olive inflorescences are usually developed from the buds formed in the leaf axils of current growing season's shoots [17][18][19]. Fruits representing more than 65% of the seasonal dry matter accumulated in the fruiting shoots, reduce shoot growth in bearing years and affects fruit ripening [20][21].…”

Section: Introductionmentioning

confidence: 99%

Correction: QTL Mapping of Flowering and Fruiting Traits in Olive

Sadok¹,

Celton²,

Essalouh³

et al. 2014

PLoS ONE

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One of the challenge fruit growers are facing is to balance between tree production and vegetative growth from year to year. To investigate the existence of genetic determinism for reproductive behaviour in olive tree, we studied an olive segregating population derived from a cross between 'Olivie `re' and 'Arbequina' cultivars. Our strategy was based on (i) an annual assessment of individual trees yield, and (ii) a decomposition of adult growth units at the crown periphery into quantitative variables related to both flowering and fruiting process in relation to their growth and branching. Genetic models, including the year, genotype effects and their interactions, were built with variance function and correlation structure of residuals when necessary. Among the progeny, trees were either 'ON' or 'OFF' for a given year and patterns of regular vs. irregular bearing were revealed. Genotype effect was significant on yield but not for flowering traits at growth unit (GU) scale, whereas the interaction between genotype and year was significant for both traits. A strong genetic effect was found for all fruiting traits without interaction with the year. Based on the new constructed genetic map, QTLs with small effects were detected, revealing multigenic control of the studied traits. Many were associated to alleles from 'Arbequina'. Genetic correlations were found between Yield and Fruit set at GU scale suggesting a common genetic control, even though QTL co-localisations were in spe'cific years only. Most QTL were associated to flowering traits in specific years, even though reproductive traits at GU scale did not capture the bearing status of the trees in a given year. Results were also interpreted with respect to ontogenetic changes of growth and branching, and an alternative sampling strategy was proposed for capturing tree fruiting behaviour. Regular bearing progenies were identified and could constitute innovative material for selection programs.

show abstract

Interaction Between Shoot Growth and Reproductive Behavior in Olive Trees

Cited by 6 publications

References 0 publications

QTL Mapping of Flowering and Fruiting Traits in Olive

QTL Mapping of Flowering and Fruiting Traits in Olive

Efficience de l’Utilisation de l’Eau : Un Outil d’Aide pour le Choix Varietal en Oliveraie Intensive ? = Efficiency of Water Use : A Tool for Aid for Variety Choice in Intensive Oliveraie ?

Correction: QTL Mapping of Flowering and Fruiting Traits in Olive

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