The Effect of Acoustic Exposure on the Growth of Mung Beans (Vigna Radiata)

Sound is a form of wave vibrations that contributes significantly in our daily life. Plants may interact with sound around us but we cannot certainly sure their reaction because of their immobility. Thus, this study intends to find the significant effect between different types of acoustic patterns on the growth of plants. Mung bean or its scientific name, Vigna radiata was chosen as seed material in this experiment due to their short growth cycle. The plants were grown in six environmental chambers with proper ventilations. The chambers were placed on open field with ambient conditions. Mung beans were exposed to five different types of acoustic patterns (soprano, classical, nature, rock, Quranic recitation) with sound pressure level of 60 dB +/- 10 dB and one chamber was kept without any acoustic exposure. The length of stem, number of leaves and length of roots were recorded on the 15th day of mung beans' growth. Experimental results indicate that different types of acoustic patterns promoted the growth of different part of mung beans. Soprano had significant effect on the length of stem while Quranic recitation promoted the production of leaves. However, there is no significant evidence that acoustic exposure stimulates the length of roots.