植物生体電位による観葉植物の診断

概要

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We had investigated the seasonal variations in the plant bio-electric potentials, from whose results it had been estimated that the diagnosis of plats might be performed by the measurements of its bio-electric potential characteristics. From the mesurements of the DC component, it was elucidated that the normal leaf had clearly indicated the light-response characteristics in the light-illuminating experiment, on the other hand the heat-damaged leaf had scarcely indcated Analyzing interms of the fluctuational characteristics of the AC component, the gradient of the fluctuation of the heat-damaged leaf was smaller than the mormal leaf ones. It was also confirmed that the gradient was better index for the diagnosis of the leaf of plant by the other various experiments. Furthermore, it was pointed out that the fluctuation method of AC components was superior to the light-illuminating method of DC components.