Abstract
This paper reports the influence of dc electric field on plant growth. We used daikon radish as the sample. Seeds of the daikon radish were grown under two conditions; one is under dc electric fields, and the other is without electric fields. We have confirmed the following: 1. The application of dc electric field improves the germination rate. 2. The dc electric field increases the length and the weight of the sample. 3. However, after removal of water by vacuum treatment, the weight of the sample subjected to the dc electric fields is lower than that of the sample not subjected to electric field. This result suggests that the dc electric field accelerates the growth of the plant; it does not increase the real plant weight, but just improves the stem elongation by water absorption, and encourages the consumption of substances stored in the seed. These effects of the dc electric field are similar to those of Gibberellin phytohormones.
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