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Consideration of translocation into a growth model of a plant organ

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  • Ogawa, Kazuharu

Abstract

Taking account of the Bertalanffy's differential equation on animal growth, plant growth is also considered as the net result of anabolism and catabolism. When we, however, consider the growth of a plant organ, it is necessary to add a term of translocation because it plays an important role in the growth of plant organs, such as leaf and fruit. Considering translocation, therefore, a growth model of a plant organ was proposed on the basis of the compartment model for estimating the carbon balance in the organ by using the experimental data on translocation, photosynthesis and respiration of a tropical fruit of durian (Durio zibethinus Murray). The present growth model of a plant organ belongs to an extended Bertalanffy's growth equation, and was possible to be transformed into the simple Bertalanffy's growth equation on the basis of the proportionality between the growth and translocation rates. The Bertalanffy's growth equation of a plant organ was also possible to apply to that of the whole plant on the assumption of the allomeric relationship between a plant organ and the whole plant.

Suggested Citation

  • Ogawa, Kazuharu, 2009. "Consideration of translocation into a growth model of a plant organ," Ecological Modelling, Elsevier, vol. 220(12), pages 1492-1494.
    • Handle: RePEc:eee:ecomod:v:220:y:2009:i:12:p:1492-1494
    DOI: 10.1016/j.ecolmodel.2009.03.019
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