{"id":33285,"date":"2021-07-02T10:53:57","date_gmt":"2021-07-02T08:53:57","guid":{"rendered":"https:\/\/gjkkadksm.preview.infomaniak.website\/?post_type=resume-foret-mail&#038;p=33285"},"modified":"2021-07-02T10:53:57","modified_gmt":"2021-07-02T08:53:57","slug":"nouvelle-formule-anti-transpiration-pour-les-plantes","status":"publish","type":"resume-foret-mail","link":"https:\/\/foretnature.be\/en\/resume-foret-mail\/nouvelle-formule-anti-transpiration-pour-les-plantes\/","title":{"rendered":"Nouvelle formule anti-transpiration pour les plantes"},"content":{"rendered":"<p class=\"text-build-content\" data-testid=\"PZFQT9T3_T\">La r\u00e9gulation de la transpiration des plantes par leurs stomates est consid\u00e9r\u00e9e comme un facteur cl\u00e9 de la r\u00e9sistance \u00e0 la s\u00e9cheresse par les \u00e9cophysiologistes. Les \u00e9tudes actuelles consid\u00e8rent souvent qu&rsquo;en cas de s\u00e9cheresse, le xyl\u00e8me, tissu qui conduit la s\u00e8ve brute vers les feuilles, est le facteur limitant. Sa vuln\u00e9rabilit\u00e9 \u00e0 la cavitation, c&rsquo;est-\u00e0-dire \u00e0 rompre la colonne d&rsquo;eau qui doit approvisionner les cellules pour r\u00e9aliser la photosynth\u00e8se, est d&rsquo;ailleurs souvent \u00e9voqu\u00e9e lorsqu&rsquo;on parle de r\u00e9sistance \u00e0 la s\u00e9cheresse.<\/p>\n<p class=\"text-build-content\" data-testid=\"PZFQT9T3_T\">Des chercheurs ont cependant montr\u00e9 que l&rsquo;interaction entre le sol et les racines est un facteur important du statut hydrique des plantes, bien qu&rsquo;il soit encore peu connu, tant il est difficile \u00e0 mesurer. Des r\u00e9sultats r\u00e9cents ont mis en \u00e9vidence que la transpiration ou plut\u00f4t son arr\u00eat en cas de s\u00e9cheresse, n&rsquo;est pas uniquement due aux caract\u00e9ristiques propres des plantes (capacit\u00e9 \u00e0 stopper leur transpiration). Les racines adaptent leur conductivit\u00e9 mais \u00e9galement celle du sol \u00e0 proximit\u00e9, la rhizosph\u00e8re, pour correspondre \u00e0 la demande atmosph\u00e9rique en eau, ce qui contribue \u00e0 la r\u00e9gulation de la transpiration.<\/p>","protected":false},"excerpt":{"rendered":"<p>La r\u00e9gulation de la transpiration des plantes par leurs stomates est consid\u00e9r\u00e9e comme un facteur cl\u00e9 de la r\u00e9sistance \u00e0 la s\u00e9cheresse par les \u00e9cophysiologistes. Les \u00e9tudes actuelles consid\u00e8rent souvent qu&rsquo;en cas de s\u00e9cheresse, le xyl\u00e8me, tissu qui conduit la s\u00e8ve brute vers les feuilles, est le facteur limitant. Sa vuln\u00e9rabilit\u00e9 \u00e0 la cavitation, c&rsquo;est-\u00e0-dire [&hellip;]<\/p>","protected":false},"featured_media":0,"template":"","categories":[50],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Nouvelle formule anti-transpiration pour les plantes - For\u00eat.Nature<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/foretnature.be\/en\/resume-foret-mail\/nouvelle-formule-anti-transpiration-pour-les-plantes\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nouvelle formule anti-transpiration pour les plantes - For\u00eat.Nature\" \/>\n<meta property=\"og:description\" content=\"La r\u00e9gulation de la transpiration des plantes par leurs stomates est consid\u00e9r\u00e9e comme un facteur cl\u00e9 de la r\u00e9sistance \u00e0 la s\u00e9cheresse par les \u00e9cophysiologistes. Les \u00e9tudes actuelles consid\u00e8rent souvent qu&rsquo;en cas de s\u00e9cheresse, le xyl\u00e8me, tissu qui conduit la s\u00e8ve brute vers les feuilles, est le facteur limitant. 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Les \u00e9tudes actuelles consid\u00e8rent souvent qu&rsquo;en cas de s\u00e9cheresse, le xyl\u00e8me, tissu qui conduit la s\u00e8ve brute vers les feuilles, est le facteur limitant. 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