機械的刺激による植物の短期生育に関する基礎研究(第1報) : 機械的刺激を考慮した植物の水分移動シミュレーションモデルの構築

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The aim of this paper is to determine experimentally the elemental data regarding the short term growth of plants when two mechanical stimuli-low frequency vibration and artificial wind- are given to plants during a short period. Accordingly, a basic study was carried out determining experimentally the moisture transport quantity in the plant, suggesting a macroscopic moisture model based on the experimental result, and attempting a fundamental elucidation of the moisture transport mechanism. The plant used as the experimental target was the golden pothos (a kind of foliage plant) which can grow by water culture throughout the year. The moisture transport quantity in the plant was measured after the applicatio of low frequency vibration and artificia wind to the plant. The results demonstrated that the addition of mechanical stimulation by wind and vibration was related to an increase of the amount of water transported in the plant. Furthermore, an electronic circuit model, which is a moisture transport model of the plant inside, was constructed with a transistor. It was confirmed that this model could express the measured value of water rising in the plant in terms of the difference between the two mechanical stimuli.
公益社団法人精密工学会の論文
2003-12-05