Journal
PLANTS-BASEL
Volume 11, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/plants11182391
Keywords
sound vibration; plant acoustics; sound perception; plant communication
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Traditionally, plants have been seen as passive and unchanging organisms, but recent research suggests that they are aware of their surroundings and can modify their growth and development in response to stimuli. Plants communicate extensively with their environment, and sound perception and communication have become an emerging field of study.
Plants have long been considered passive, static, and unchanging organisms, but this view is finally changing. More and more knowledge is showing that plants are aware of their surroundings, and they respond to a surprising variety of stimuli by modifying their growth and development. Plants extensively communicate with the world around them, above and below ground. Although communication through mycorrhizal networks and Volatile Organic Compounds has been known for a long time, acoustic perception and communication are somehow a final frontier of research. Perhaps surprisingly, plants not only respond to sound, they actually seem to emit sound as well. Roots emit audible clicks during growth, and sounds are emitted from xylem vessels, although the nature of these acoustic emissions still needs to be clarified. Even more interesting, there is the possibility that these sounds carry information with ecological implications, such as alerting insects of the hydration state of a possible host plant, and technological implications as well. Monitoring sound emissions could possibly allow careful monitoring of the hydration state of crops, which could mean significantly less water used during irrigation. This review summarizes the current knowledge on sound perception communication in plants and illustrates possible implications and technological applications.
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