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A grammar-based model of barley including virtual breeding, genetic control and a hormonal metabolic network Frontis
Buck-Sorlin, G.; Kniemeyer, O.; Kurth, W..
The incorporation of some genetic and physiological processes in a developmental model of Hordeum vulgare L. (barley) is presented. The model exhibits different hierarchical scales and has been conceived as a Relational Growth Grammar (RGG). RGG is a new formalism that has been developed as an extension of L-Systems and implemented using a new modelling language, eXtended Lsystems (XL). Models written in XL can be executed using the interactive, Java-based modelling platform GroIMP, which has been developed for this purpose. The barley model proper is a set of morphogenetic rules. These are combined with a set of rules representing a metabolic network simulating some key steps of the biosynthesis of gibberellic acid (GA1). The transport of GA1 and GA19 (a...
Tipo: Conference proceedings
Ano: 2007 URL: http://library.wur.nl/ojs/index.php/frontis/article/view/1387
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Functional-structural modelling of Gramineae Frontis
Fournier, C.; Andrieu, B.; Buck-Sorlin, G.; Evers, J.B.; Drouet, J.L.; Escobar-Gutiérrez, A.J.; Vos, J..
The Gramineae have been a pioneer group among non-woody plants to be modelled with the approach of functional-structural plant modelling (FSPM). During the past decade, models have focussed on morphological aspects of plant development. They now provide crop scientists with general guidelines for building new cereal models. We present some of them here, considering the different aspects of cereal architectural modelling: plant development, pattern formation and plant geometry. We also review some significant examples that illustrate the different types of uses of these models for agronomic research. We conclude that the next generation of cereal models should be based on a less empirical modelling of the processes that control morphogenesis.
Tipo: Conference proceedings
Ano: 2007 URL: http://library.wur.nl/ojs/index.php/frontis/article/view/1381
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GroIMP as a platform for functional-structural modelling of plants Frontis
Kniemeyer, O.; Buck-Sorlin, G.; Kurth, W..
The concept of relational growth grammars (RGG) is a recent effort to address the needs of functional-structural plant modelling. The programming language XL is the first language that implements this concept; it is made available for plant modelling as part of the modelling platform GroIMP. In this paper, an introduction to relational growth grammars and XL will be given using simple but instructive examples. It will be shown how the proven formalism of L-systems is integrated seamlessly into RGG/XL, which new modelling possibilities are provided, and how some standard tasks of modelling can be implemented in XL. Moreover, the examples will demonstrate some of GroIMP’s 3D-geometric objects and algorithms that are useful for functional-structural plant...
Tipo: Conference proceedings
Ano: 2007 URL: http://library.wur.nl/ojs/index.php/frontis/article/view/1370
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