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Modèles Dynamiques de la Croissance des Plantes : Succès et Défis

Abstract : For a few decades, the joint work of biologists, agronomists, mathematicians and computer scientists has allowed the spectacular development of plant growth models. If their typology is very diverse, mostly according to the scales at which the different growth processes are described, these models share the ambition to propose a framework to analyze the genotype*environment interaction. In this paper, we present the main historical steps in plant growth model development and the key concepts underlying their construction, with a particular focus on functional-structural plant models which combine the description of plant ecophysiological functioning and architectural development. We also detail the mathematical formalism adapted to the integration of biological concepts and underline the statistical issues raised by data analysis for model parameterization and validation. Once the modelling methodology exposed, we illustrate by a few applicative examples the important perspectives in agriculture: by an improved prediction of phenotypes, models can support new decision aid tools for farmers or help optimizing the breeding process. Finally, we will conclude by underlining a new challenge for plant models: how can they take advantage of the now easily available genomics data ?
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Submitted on : Friday, September 13, 2019 - 11:30:36 AM
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  • HAL Id : hal-02285935, version 1


Paul-Henry P.-H. Cournède. Modèles Dynamiques de la Croissance des Plantes : Succès et Défis. Potentiels de la science pour une agriculture durable, Académie d'Agriculture de France. Edition: Jean-Claude Pernollet., 2018. ⟨hal-02285935⟩



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