{"id":718,"date":"2020-03-19T16:39:12","date_gmt":"2020-03-19T15:39:12","guid":{"rendered":"https:\/\/plant-intelligence.com\/?page_id=718"},"modified":"2020-03-19T16:39:13","modified_gmt":"2020-03-19T15:39:13","slug":"the-plant-and-touch","status":"publish","type":"page","link":"https:\/\/plant-intelligence.com\/index.php\/en\/discoveries\/the-plant-and-touch\/","title":{"rendered":"The plant and touch"},"content":{"rendered":"\n<p><strong>Plants feel when touched. They make the\ndifference between hot and cold and know when the wind is shaking their\nbranches. They don&rsquo;t like contact.<\/strong><\/p>\n\n\n\n<p><em>Some experiments&nbsp;: <\/em><\/p>\n\n\n\n<p><strong>Angular cucumber experience.<\/strong> They are ten times more sensitive than us and perceive a filament weighing less than 0.25 grams.<br> <br> <strong>Experiences Darwin, Burdon Sanderson and more recently Volkov (University of Oakwood in Alabama) on the Venus flytrap<\/strong> which feeds not only on photosynthesis, but also on small insects and animals. Its leaves close in on their prey in less than 1\/10 of a second, thanks to the electrical activation caused by touch. There are at least 600 different kinds of carnivorous plants.<\/p>\n\n\n\n<figure class=\"wp-block-embed-youtube wp-block-embed is-type-video is-provider-youtube wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"video-container\"><iframe loading=\"lazy\" title=\"frog eaten by venus flytrap\" width=\"500\" height=\"375\" src=\"https:\/\/www.youtube.com\/embed\/ymnLpQNyI6g?feature=oembed&#038;wmode=opaque\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<p><strong>Experience of the modest Mimosa<\/strong> (called don\u2019t me touch). Its leaves\nclose as soon as it is touched, thanks to the triggering of an electrical\nsignal. This signal activates a kind of hydraulic pump which, thanks to the\naction of potassium, causes the leaves to move.<\/p>\n\n\n\n<p><strong>Experience Salisbury then Jaffe at the end\nof the 20th century on the oriental xanthium and Braam of Rice University on\nthe ear-mice cress<\/strong>. Touching a plant regularly slows or alters its\ngrowth and sometimes kills it. Wind also has an important influence on growth.\nTouching causes a rapid modification of the ear-mice cress genetic program (2%\nof its genes are activated when an insect, animal or the wind touches it &#8230;).<\/p>\n\n\n\n<p><strong>Bowles experience at the University of\nLeeds then Farmer at the University of Lausanne.<\/strong> The tomato\ndoes not seem to feel the pain (burning, intense cold, tearing). Indeed, she\ndoes not move away from the place of the injury. But on the other hand, it\ncommunicates the event to the rest of the plant and triggers the production of\njasmonic acid, a defense hormone. For this, as for the nerves, it acts by\nelectrical impulse towards the stem then towards the other leaves, but also by\nusing proteins (very similar to those which one finds in the synapses of the\nneurons).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plants feel when touched. They make the difference between hot and cold and know when the wind is shaking their branches. They don&rsquo;t like contact. Some experiments&nbsp;: Angular cucumber experience. They are ten times&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":321,"menu_order":-1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-718","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The plant and touch - Plant Intelligence<\/title>\n<meta name=\"description\" content=\"Plants feel when touched. 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