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Effect of topological and phenological changes on biomass partitioning in Arabidopsis thaliana inflorescence : A preliminary model-based study

Letort Véronique, Cournède Paul-Henry, Lecoeur Jérémie, Hummel Irène, De Reffye Philippe, Christophe Angélique. 2007. Effect of topological and phenological changes on biomass partitioning in Arabidopsis thaliana inflorescence : A preliminary model-based study. In : Plant growth modeling and applications. Proceedings PMA06 : The Second International Symposium on plant growth modeling, simulation, visualization and applications, Beijing, China, November 13-17, 2006. Fourcaud Thierry (ed.), Zhang Xiao-Peng (ed.). Institut d'automatique-LIAMA, IEEE. Los Alamitos : IEEE Computer Society, pp. 65-69. ISBN 0-7695-2851-1 International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA06). 2, Beijing, Chine, 13 November 2006/17 November 2006.

Paper with proceedings
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Abstract : Although the existence of phenological impact on biomass partitioning in the plant is known for many species, it is difficult to quantify this effect and to unravel it from the complex functional processes that interact during plant growth. This work explores the variations of biomass allocated to fruits according to simple changes in the topological and phenological development of Arabidopsis thaliana plants. Four plants of the same genotype (ecotype Columbia) were grown in controlled conditions in growth chamber. Their topological differences were studied using the functional-structural model GreenLab. It showed that when fitting the four plants with a single set of parameters, but each plant being given its own topological structure, half of the biomass variability can be reproduced. (Résumé d'auteur)

Mots-clés Agrovoc : Arabidopsis thaliana, Inflorescence, Biomasse, Fruit, Modèle mathématique, Phénologie, Développement biologique, Modèle de simulation

Classification Agris : U10 - Computer science, mathematics and statistics
F62 - Plant physiology - Growth and development

Auteurs et affiliations

  • Letort Véronique, Ecole centrale Paris (FRA)
  • Cournède Paul-Henry, Ecole centrale Paris (FRA)
  • Lecoeur Jérémie, INRA (FRA)
  • Hummel Irène, INRA (FRA)
  • De Reffye Philippe, CIRAD-AMIS-UMR AMAP (FRA)
  • Christophe Angélique, INRA (FRA)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/544908/)

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