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Research@WUR
Article . 2010
Data sources: Research@WUR
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Research@WUR
Other literature type . 2010
Data sources: Research@WUR
Journal of Experimental Botany
Article . 2010 . Peer-reviewed
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Simulation of wheat growth and development based on organ-level photosynthesis and assimilate allocation

Authors: Evers, J.B.; Vos, J.; Yin, X.; Romero, P.; van der Putten, P.E.L.; Struik, P.C.;

Simulation of wheat growth and development based on organ-level photosynthesis and assimilate allocation

Abstract

Intimate relationships exist between form and function of plants, determining many processes governing their growth and development. However, in most crop simulation models that have been created to simulate plant growth and, for example, predict biomass production, plant structure has been neglected. In this study, a detailed simulation model of growth and development of spring wheat (Triticum aestivum) is presented, which integrates degree of tillering and canopy architecture with organ-level light interception, photosynthesis, and dry-matter partitioning. An existing spatially explicit 3D architectural model of wheat development was extended with routines for organ-level microclimate, photosynthesis, assimilate distribution within the plant structure according to organ demands, and organ growth and development. Outgrowth of tiller buds was made dependent on the ratio between assimilate supply and demand of the plants. Organ-level photosynthesis, biomass production, and bud outgrowth were simulated satisfactorily. However, to improve crop simulation results more efforts are needed mechanistically to model other major plant physiological processes such as nitrogen uptake and distribution, tiller death, and leaf senescence. Nevertheless, the work presented here is a significant step forwards towards a mechanistic functional-structural plant model, which integrates plant architecture with key plant processes.

Country
Netherlands
Related Organizations
Keywords

plant architecture, winter-wheat, Light, Nitrogen, triticum-aestivum, biochemical-model, morphogenesis, Carbon Dioxide, Models, Theoretical, Plant Components, Aerial, far-red ratio, spring wheat, architectural model, c-3 photosynthesis, Computer Simulation, Biomass, Leerstoelgroep Gewas- en onkruidecologie, Photosynthesis, light, Triticum

  • BIP!
    Impact byBIP!
    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    110
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
110
Top 10%
Top 10%
Top 10%
bronze