naa a22 4500 510730310 CHVBK 20180411082950.0 cr unu---uuuuu 180411e20130201xx s 000 0 eng 10.1007/s11295-012-0548-x doi (NATIONALLICENCE)springer-10.1007/s11295-012-0548-x Genetic determinism of the vegetative and reproductive traits in an F1 olive tree progeny [Elektronische Daten] Evidence of tree ontogeny effect [I. Ben Sadok, N. Moutier, G. Garcia, F. Dosba, N. Grati-Kamoun, A. Rebai, B. Khadari, E. Costes] The agronomic performance of fruit trees is significantly influenced by tree internal organization. Introducing architectural traits in breeding programs could thus lead to select new varieties with a regular bearing and lower input demand in order to reduce training and environmental costs. However, an interaction between tree ontogeny and genetic factors is expected. In this study, we investigated the genetic determinism of architectural traits in the olive tree, accounting for tree development over 5years until first flowering occurrence. We studied an F1 progeny issued from a cross between two contrasted genotypes, ‘Olivière' and ‘Arbequina'. Tree architecture was decomposed in quantitative traits, related to (1) growth and branching, (2) first flowering and fruiting. Models, including the year of growth, branching order and genotype effects, were built with variance function and covariance structure when necessary. After a model selection, broad sense heritabilities were calculated. During the first 3years, both the mean values of vegetative traits and genetic factor significance depended on the shoot within-tree position. Dependencies between consecutive years were revealed for traits related to whole tree form. Whole tree form variables showed medium to high broad sense heritability values, whereas reproductive traits were highly heritable. This study demonstrates the existence of ontogenic trends in the olive tree, which result in traits heritable only at the tree periphery. A phenotyping strategy adapted to its architectural characteristics and a list of relevant traits, such as maximal internode length, is proposed. Transgressive effects suggest that genetic progress could be performed in future selection programs. Springer-Verlag, 2012 Heritability nationallicence Phenotyping nationallicence Tree architecture nationallicence Growth nationallicence Branching nationallicence Flowering nationallicence Fruiting nationallicence Ben Sadok I. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Moutier N. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Garcia G. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Dosba F. Montpellier SupAgro, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Grati-Kamoun N. Institut de l'olivier de Sfax, Route de l'Aéroport, Km 1.5, BP 1087, 3000, Sfax, Tunisia aut Rebai A. Université des sciences de Sfax, Route de la Soukra, Km 4, BP 802, 3018, Sfax, Tunisia aut Khadari B. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Costes E. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut Tree Genetics & Genomes Springer-Verlag 9/1(2013-02-01), 205-221 1614-2942 9:1<205 2013 9 11295 https://doi.org/10.1007/s11295-012-0548-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11295-012-0548-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Ben Sadok I. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 700 1- Moutier N. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 700 1- Garcia G. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 700 1- Dosba F. Montpellier SupAgro, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 700 1- Grati-Kamoun N. Institut de l'olivier de Sfax, Route de l'Aéroport, Km 1.5, BP 1087, 3000, Sfax, Tunisia aut NATIONALLICENCE 700 1- Rebai A. Université des sciences de Sfax, Route de la Soukra, Km 4, BP 802, 3018, Sfax, Tunisia aut NATIONALLICENCE 700 1- Khadari B. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 700 1- Costes E. INRA, UMR AGAP 1334 - Amélioration Génétique et Adaptation des Plantes méditerranéennes et tropicales, Campus Cirad-TA-A-108/03, Av. Agropolis, 34398, Montpellier Cedex 5, France aut NATIONALLICENCE 773 0- Tree Genetics & Genomes Springer-Verlag 9/1(2013-02-01), 205-221 1614-2942 9:1<205 2013 9 11295 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer