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Simulation of shoot/root ratio changes during vegetative phase and as affected by environmental factors

Shi Jianzhong, Wang Tianduo

Shanghai Institute of Plant Physiology, Chinese Academy of Sciences. Shanghai 200032

Abstract

By simulating some physiological processes--photosynthesis, respiration, translocation, growth and others--together with their interactions, a model has been constructed which can predict the change in shoot/root ration during the vegetative phase under the influence of several environmental factors. The results of the running of the model show that it can predict well the allometric growth of shoot and root, the decrease of shoot/root ratio with increasing irradiance and decreasing soil water potential, and the change of shoot/root ratio with temperature.

Key words: Shoot/root ratio;Environmental factor;Mathematical model

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Citing This Article：

Shi Jianzhong, Wang Tianduo. Simulation of shoot/root ratio changes during vegetative phase and as affected by environmental factors. Acta Physiol Sin 1995; 47 (4): (in Chinese with English abstract).