Study on Effect of Artificial Periodic Sound on the Growth of Radish

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Abstract
This paper presents the effects of artificial periodic sound on the growth of Hatsuka daikon (radish). In our experiment, radishes were exposed to artificial periodic sound generated by vibration for 6 hours a day. In this experiment, three different frequencies of periodic sound (100, 500, and 1,000 Hz) were used, and the sound volume was set at 50 and 70 dBA. As a result, we found that when the periodic sound was applied, the growth of the tuberous root of the radish was promoted compared to the control, and that the higher the frequency, the more the tuberous roots grew. Also, we found that the conditions of 1,000 Hz and 50 dBA were most effective compared to other conditions, resulting in that the weight of the tuberous root was approximately 1.34 times greater than that of the control. In addition, the Dunnett’s test-based statistical assessment confirmed that there were statistically significant differences in the mean value between the control and the 1,000 Hz and 50 dBA condition-group at the significance level of 5%.

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