{"id":5386,"date":"2019-09-16T07:00:48","date_gmt":"2019-09-16T05:00:48","guid":{"rendered":"http:\/\/anthuriuminfo.com\/fr\/?p=5386"},"modified":"2019-09-13T12:51:36","modified_gmt":"2019-09-13T10:51:36","slug":"comment-les-plantes-absorbent-elles-leau","status":"publish","type":"post","link":"https:\/\/anthuriuminfo.com\/fr\/comment-les-plantes-absorbent-elles-leau\/","title":{"rendered":"Comment les plantes absorbent-elles de l\u2019eau ?"},"content":{"rendered":"<p>Comment les plantes absorbent-elles de l\u2019eau\u00a0?\u00a0En g\u00e9n\u00e9ral, ce processus nous semble \u00e9vident, mais vous vous \u00eates certainement d\u00e9j\u00e0 demand\u00e9 comment cela se passe exactement. Nous aussi, c\u2019est pourquoi nous avons \u00e9tudi\u00e9 la question. <!--more-->Dans cet article, vous trouverez la r\u00e9ponse !<\/p>\n<h3>Comment les plantes absorbent-elles de l\u2019eau\u00a0?<\/h3>\n<p>Deux processus <a href=\"https:\/\/nl.softwaresolus.com\/78701-how-do-flowers-absorb-water-94\">permettent<\/a>\u00a0\u00e0 la plante d\u2019absorber de l\u2019eau\u00a0: l\u2019effet capillaire et la transpiration.<\/p>\n<p>Les plantes absorbent de l&#8217;eau par le xyl\u00e8me\u00a0; c\u2019est un tissu de tubes minces sur la tige externe des plantes. Le xyl\u00e8me transporte l&#8217;eau et les nutriments des racines vers toutes les parties de la plante. Les mol\u00e9cules d&#8217;eau sont attir\u00e9es par les mol\u00e9cules du xyl\u00e8me\u00a0; l&#8217;eau afflue alors vers le haut.\u00a0Ce processus, appel\u00e9 effet capillaire,\u00a0fait penser \u00e0 ce qui se passe lorsqu\u2019on boit un verre d&#8217;eau avec une paille et qu&#8217;on aspire l&#8217;eau.<\/p>\n<p>L&#8217;eau monte \u00e9galement \u00e0 travers la plante, gr\u00e2ce \u00e0 l&#8217;\u00e9nergie solaire. La lumi\u00e8re du soleil \u00e9vapore ensuite l&#8217;eau de la surface\u00a0; c\u2019est le processus de transpiration. En raison de la perte d&#8217;eau, la partie sup\u00e9rieure des tubes de xyl\u00e8me se vide, ce qui cr\u00e9e un vacuum\u00a0; l&#8217;eau monte alors pour combler cet espace.<\/p>\n<h3>De la plante \u00e0 la fleur coup\u00e9e<\/h3>\n<p>Les fleurs cueillies deviennent des fleurs coup\u00e9es. Pour maintenir en vie les fleurs coup\u00e9es, il est important de couper les tiges en biseau avec un couteau tranchant.\u00a0En effet, les tiges se ferment, pour ainsi dire, lorsqu&#8217;elles sont hors de l&#8217;eau pendant plus de quelques minutes\u00a0; elles ne peuvent donc plus absorber suffisamment d&#8217;eau. Couper les tiges en biseau permet de cr\u00e9er la plus grande surface possible pour absorber de l&#8217;eau. N\u2019h\u00e9sitez pas \u00e0 couper les tiges bien courtes, car avec une longue tige, le chemin de l&#8217;eau \u00e0 la fleur peut \u00eatre trop long.\u00a0Mettez les fleurs aussit\u00f4t dans l\u2019eau, ti\u00e8de de pr\u00e9f\u00e9rence.<\/p>\n<p><strong>Lire aussi :\u00a0<\/strong><a href=\"https:\/\/anthuriuminfo.com\/hoe-verzorg-ik-mijn-anthurium\/\"><strong>Comment entretenir mon anthurium ?<\/strong><\/a><\/p>\n<p><a href=\"https:\/\/www.instagram.com\/p\/B0h6hjfABFO\/\">https:\/\/www.instagram.com\/p\/B0h6hjfABFO\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"excerpt\">Comment les plantes absorbent-elles de l\u2019eau\u00a0?\u00a0En g\u00e9n\u00e9ral, ce processus nous semble \u00e9vident, mais vous vous \u00eates certainement d\u00e9j\u00e0 demand\u00e9 comment cela se passe exactement. Nous aussi, c\u2019est pourquoi nous avons \u00e9tudi\u00e9 la question.<\/p>\n","protected":false},"author":2,"featured_media":5387,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3],"tags":[62,101],"class_list":["post-5386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sources-dinspiration","tag-peter","tag-plantes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Comment les plantes absorbent-elles de l\u2019eau ?<\/title>\n<meta name=\"description\" content=\"Comment les plantes absorbent-elles de l\u2019eau ? 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