{"id":17642,"date":"2022-10-07T14:14:26","date_gmt":"2022-10-07T12:14:26","guid":{"rendered":"https:\/\/prs-healthcare.com\/plants-communicate-by-ultrasound\/"},"modified":"2023-11-16T14:44:43","modified_gmt":"2023-11-16T13:44:43","slug":"plants-communicate-by-ultrasound","status":"publish","type":"post","link":"https:\/\/prs-healthcare.com\/en\/news\/plants-communicate-by-ultrasound\/","title":{"rendered":"Plants communicate&#8230; by ultrasound!"},"content":{"rendered":"<p><span style=\"font-weight: 400\"><a href=\"https:\/\/prs-healthcare.com\/wp-content\/uploads\/teemu-paananen-OOE4xAnBhKo-unsplash.jpg\" rel=\"prettyPhoto[gallery-2nno]\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-19153 size-medium\" src=\"https:\/\/prs-healthcare.com\/wp-content\/uploads\/teemu-paananen-OOE4xAnBhKo-unsplash-200x300.jpg\" alt=\"sondes ETO ultrasound\" width=\"200\" height=\"300\" srcset=\"https:\/\/prs-healthcare.com\/wp-content\/uploads\/teemu-paananen-OOE4xAnBhKo-unsplash-200x300.jpg 200w, https:\/\/prs-healthcare.com\/wp-content\/uploads\/teemu-paananen-OOE4xAnBhKo-unsplash.jpg 640w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/a>Not only TEE probes use ultrasound&#8230; Plants do too! This statement from an Israeli study naturally made our team curious. We wanted to know more.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">A stressful study<\/span><\/h2>\n<p><span style=\"font-weight: 400\">Itzhak Khait and his team at Tel Aviv University have been studying the ability of plants to communicate. Admittedly, plants do not have organs as such. However, on December 2nd 2019, the researchers published the results of <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/507590v4.full.pdf\" target=\"_blank\" rel=\"noopener\">their research<\/a> on <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/507590v4\" target=\"_blank\" rel=\"noopener\">BioRxiv<\/a>. The graduate student is formal: plants use ultrasound! Just like the TEE probes we repair.<\/span><\/p>\n<p><span style=\"font-weight: 400\">While humans can hear ultrasound between 20 and 20,000 Hz, it is impossible to hear ultrasound from a plant. This is because plants emit ultrasound between 20 and 100 kHz when they are under stress.<\/span><\/p>\n<p><span style=\"font-weight: 400\">For plants, stress can take many different forms. A lack of water, for instance, or the cutting of a root or stem. As Itzhak Khait explains: &#8220;<\/span><i><span style=\"font-weight: 400\">Plants under stress produce observable phenomena such as changes in colour, smell and shape. However, the possibility that they make sounds in the air when stressed, like many animals, has never been studied<\/span><\/i><span style=\"font-weight: 400\">\u201d. This is the purpose of this study.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">How was the experiment conducted ?<\/span><\/h2>\n<p><span style=\"font-weight: 400\">The team placed tomato and tobacco plants in three groups under stress.\u00a0 The first group was put in a drought situation by being deprived of water for 10 days. Meanwhile, the researchers cut the stems of the second group. Finally, the third group was a &#8216;control&#8217; group and was not subjected to anything.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The test was carried out in an acoustic chamber and then in a greenhouse to simulate natural conditions&#8230; With special microphones placed 10 cm from the plants for one hour at a time.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">The results<\/span><\/h2>\n<h3><span style=\"font-weight: 400\">Ultrasound in the acoustic chamber&#8230;<\/span><\/h3>\n<p><span style=\"font-weight: 400\">In the first group, under dry conditions, tobacco plants emitted 11 sounds per hour and tomato plants 35. In the second group, when cut, the tobacco plants produced 15 sounds per hour and the tomato plants 25. The control group made only one sound per hour.<\/span><\/p>\n<h3><span style=\"font-weight: 400\">\u00a0&#8230; and in the greenhouse<\/span><\/h3>\n<p><span style=\"font-weight: 400\">The greenhouse findings were identical. However, the researchers point out that <\/span><i><span style=\"font-weight: 400\">\u201cthe volume of the ultrasonic sound&#8221;<\/span><\/i><span style=\"font-weight: 400\"> can be detected by certain devices up to several meters away&#8221;.<\/span><\/p>\n<h2><span style=\"font-weight: 400\">Ultrasound for an agricultural application<\/span><\/h2>\n<p><span style=\"font-weight: 400\">For Itzhak Khait, this study has potential agricultural applications: &#8220;<\/span><i><span style=\"font-weight: 400\">Our results suggest that animals, other plants and perhaps even humans could listen to the &#8216;silent cries&#8217; emitted by plants and use them to gain information about their condition. The scope of the study is rather limited as we did not investigate the effects of disease, excessive salinity or unfavorable temperatures on the plants. However further research into plant bioacoustics in general, and plant sound emission in particular, could open up new avenues for understanding plants and their interactions with the environment, and also have significant implications for precision agriculture, especially if the sounds emitted by drought-stressed plants signal that they need more water.<\/span><\/i><span style=\"font-weight: 400\">\u201d<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Not only TEE probes use ultrasound&#8230; Plants do too! This statement from an Israeli study naturally made our team curious. We wanted to know more. A stressful study Itzhak Khait&#8230;<\/p>\n","protected":false},"author":4,"featured_media":19153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_joinchat":[],"footnotes":""},"categories":[727],"tags":[614],"class_list":["post-17642","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news","tag-tee-probes-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Plants communicate... by ultrasound! - PRS, TEE probes repair<\/title>\n<meta name=\"description\" content=\"Not only TEE probes use ultrasound... Plants do too! 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