The role of sound stimulation in production of plant secondary metabolites

Wu, Li; Yang, Ning; Guo, Meng; Zhang, Didi; Ghiladi, Reza A.; Bayram, Hasan; Wang, Jun

doi:10.1007/s13659-023-00409-9

Cited by 3 publications

References 47 publications

(63 reference statements)

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RETRACTED: The plant is neither dumb nor deaf; it talks and hears

El‐Sappah,

Yan,

2024

The Plant Journal

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SUMMARYAnimals and insects communicate using vibrations that are frequently too low or too high for human ears to detect. Plants and trees can communicate and sense sound. Khait et al. used a dependable recording system to capture airborne sounds produced by stressed plants. In addition to allowing plants to communicate their stress, sound aids in plant defense, development, and resilience. It also serves as a warning that danger is approaching. Demey et al. and others discussed the audit examinations that were conducted to investigate sound discernment in plants at the atomic and biological levels. The biological significance of sound in plants, the morphophysiological response of plants to sound, and the airborne noises that plants make and can hear from a few meters away were all discussed.

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RETRACTED: The plant is neither dumb nor deaf; it talks and hears

El‐Sappah,

Yan,

2024

The Plant Journal

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Animal pollination shapes fruits market features, seeds functional traits and modulates their chemistry

Pioltelli,

Guzzetti,

Biella

et al. 2024

Preprint

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In this study, we experimentally addressed the impact of different pollination treatments on the morphological, reproductive, and chemical traits of fruits and seeds of two crop species, the wild strawberry (Fragaria vesca L.) and cowpea (Vigna unguiculata L. Walp.). Multiple flowers from each plant were exposed to different pollination treatments: i) self pollination, ii) hand cross pollination and iii) open pollination. Both the crops were positively affected by open pollination in terms of morpho-chemical parameters concerning the marketability (e.g., 35% decrease in sugar/acid ratio in open pollinated strawberries compared to the autogamous ones) and the seed germination rate as a proxy of reproduction efficiency (e.g., the almost complete absence of seed abortion in the open pollination treatment). Remarkably, the pollination treatment also strongly influenced the phytochemical composition. Open-pollinated strawberries exhibited a higher relative concentration of compounds endowed with nutraceutical properties such as anthocyanins, ellagic acid derivatives, and flavonoids. At the same time, cowpea seeds displayed higher concentrations of anti-nutrients in the self pollination treatments, such as saponins, compared to the open and hand cross pollinated seeds. This study suggests the presence of a link between the pollination mechanism, market quality, plant reproduction and chemical properties of fruits and seeds, supporting the intricate interplay between pollinators, plants, and human nutrition and highlighting the crucial importance of animal pollination in ecological and dietary contexts.

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Symphonies of Growth: Unveiling the Impact of Sound Waves on Plant Physiology and Productivity

Pagano,

Del Prete

2024

Biology

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The application of sound wave technology to different plant species has revealed that variations in the Hz, sound pressure intensity, treatment duration, and type of setup of the sound source significantly impact the plant performance. A study conducted on cotton plants treated with Plant Acoustic Frequency Technology (PAFT) highlighted improvements across various growth metrics. In particular, the treated samples showed increases in the height, size of the fourth expanded leaf from the final one, count of branches carrying bolls, quantity of bolls, and weight of individual bolls. Another study showed how the impact of a 4 kHz sound stimulus positively promoted plant drought tolerance. In other cases, such as in transgenic rice plants, GUS expression was upregulated at 250 Hz but downregulated at 50 Hz. In the same way, sound frequencies have been found to enhance the osmotic potential, with the highest observed in samples treated with frequencies of 0.5 and 0.8 kHz compared to the control. Furthermore, a sound treatment with a frequency of 0.4 kHz and a sound pressure level (SPL) of 106 dB significantly increased the paddy rice germination index, as evidenced by an increase in the stem height and relative fresh weight. This paper presents a complete, rationalized and updated review of the literature on the effects of sound waves on the physiology and growth parameters of sound-treated plants.

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The role of sound stimulation in production of plant secondary metabolites

Cited by 3 publications

References 47 publications

RETRACTED: The plant is neither dumb nor deaf; it talks and hears

RETRACTED: The plant is neither dumb nor deaf; it talks and hears

Animal pollination shapes fruits market features, seeds functional traits and modulates their chemistry

Symphonies of Growth: Unveiling the Impact of Sound Waves on Plant Physiology and Productivity

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