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The Influence of Photosynthesis on the Number of Metamers per Growth Unit in GreenLab Model

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Mathieu, Amelie | Cournède, Paul-Henry | de Reffye, Philippe

Edité par CCSD -

GreenLab Model is a functional-structural plant growth model that combines both organogenesis (at each cycle, new organs are created with respect to genetic rules) and photosynthesis (organs are filled with the biomass produced by the leaves photosynthesis). Our new developments of the model concern the retroaction of photosynthesis on organogenesis. We present here the first step towards the total representation of this retroaction, where the influence of available biomass on the number of metamers in new growth units us modelled. The theory is introduced and applied to a Corner model tree. Different interesting behaviours are pointed out.

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