{"id":56307,"date":"2021-11-10T08:50:12","date_gmt":"2021-11-10T07:50:12","guid":{"rendered":"https:\/\/www.ubfc.fr\/?p=56307"},"modified":"2024-05-14T15:23:05","modified_gmt":"2024-05-14T13:23:05","slug":"ameliorer-la-croissance-des-plantes","status":"publish","type":"post","link":"https:\/\/www.ubfc.fr\/en\/ameliorer-la-croissance-des-plantes\/","title":{"rendered":"Am\u00e9liorer la croissance des plantes ?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"56307\" class=\"elementor elementor-56307\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a0fb7cb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a0fb7cb\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5bc1e13\" data-id=\"5bc1e13\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-269fe02 elementor-widget elementor-widget-text-editor\" data-id=\"269fe02\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3>Samuel Jacquiod et Manuel Blouin, du laboratoire Agro\u00e9cologie, proposent une nouvelle approche bas\u00e9e sur la s\u00e9lection des microbiotes rhizosph\u00e9riques.<\/h3>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5da0a15 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5da0a15\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-665511b\" data-id=\"665511b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d0c9e52 elementor-widget elementor-widget-text-editor\" data-id=\"d0c9e52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>La <strong>s\u00e9lection v\u00e9g\u00e9tale<\/strong> ou am\u00e9lioration v\u00e9g\u00e9tale est apparue il y a environ 10 000 ans, avec la domestication des c\u00e9r\u00e9ales. Cette pratique, bas\u00e9e sur la reproduction sexu\u00e9e des plantes, consiste \u00e0 croiser entre eux des sp\u00e9cimens qui pr\u00e9sentent des caract\u00e9ristiques d\u2019int\u00e9r\u00eats, qu\u2019elles soient ornementales ou agronomiques (r\u00e9sistance aux maladies\/insectes, meilleure production, qualit\u00e9s nutritionnelles ou gustatives). De g\u00e9n\u00e9ration en g\u00e9n\u00e9ration, les plantes descendantes sont s\u00e9lectionn\u00e9es jusqu\u2019\u00e0 obtention d\u2019une nouvelle vari\u00e9t\u00e9 ayant fix\u00e9e les caract\u00e8res (ou traits) souhait\u00e9s. L\u2019\u00e9volution des connaissances et des technologies dans le domaine de la g\u00e9n\u00e9tique ont conduit au d\u00e9veloppement des Organismes G\u00e9n\u00e9tiquement Mofidi\u00e9s (OGMs). Ces techniques permettent d\u2019int\u00e9grer directement les caract\u00e8res souhait\u00e9s (e.g. la tol\u00e9rance \u00e0 un ou plusieurs herbicides et\/ou la r\u00e9sistance aux insectes ravageurs) au patrimoine g\u00e9n\u00e9tique de la plante.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ee780a7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ee780a7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3b53879\" data-id=\"3b53879\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8da34f7 elementor-widget elementor-widget-spacer\" data-id=\"8da34f7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5daa8a0 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5daa8a0\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d2606d5\" data-id=\"d2606d5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-72144a3 elementor-widget elementor-widget-text-editor\" data-id=\"72144a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>&gt; Depuis quelques ann\u00e9es, une nouvelle m\u00e9thode \u00e9merge\u00a0: <strong>la s\u00e9lection de communaut\u00e9 microbienne<\/strong>\u00a0!<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b95f2ac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b95f2ac\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1215573\" data-id=\"1215573\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bbc5e4b elementor-widget elementor-widget-text-editor\" data-id=\"bbc5e4b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Dans le cadre d\u2019un projet financ\u00e9 par la r\u00e9gion Bourgogne-Franche-Comt\u00e9, Manuel Blouin (professeur \u00e0 AgroSup Dijon) et Samuel Jacquiod (Tenure Track ISITE-BFC), tous deux issus de l\u2019UMR Agro\u00e9cologie, ont collabor\u00e9 pour conduire une exp\u00e9rimentation visant \u00e0 <strong>s\u00e9lectionner le microbiote rhizosph\u00e9rique<\/strong>.<br \/><br \/>\u00c0 l\u2019instar du microbiote intestinal des humains, les plantes b\u00e9n\u00e9ficient aussi d\u2019une relation \u00e9troite avec des communaut\u00e9s microbiennes, notamment celles situ\u00e9es au niveau de leurs racines\u00a0: le <strong>microbiote rhizosph\u00e9rique<\/strong>. De nombreux <strong>\u00e9changes \u00e0 b\u00e9n\u00e9fices r\u00e9ciproques<\/strong> s\u2019op\u00e8rent entre cette communaut\u00e9 et la plante. La plante s\u00e9lectionne et \u00ab\u00a0nourrit\u00a0\u00bb son microbiote via la rhizod\u00e9position, c\u2019est-\u00e0-dire la s\u00e9cr\u00e9tion par l\u2019interm\u00e9diaire du syst\u00e8me racinaires de mol\u00e9cules issues de la photosynth\u00e8se. Le microbiote contribue, entre autres, \u00e0 la structuration des sols, aux cycles biog\u00e9ochimiques (dont la min\u00e9ralisation de la mati\u00e8re organique) ainsi qu\u2019\u00e0 la nutrition et \u00e0 l\u2019immunit\u00e9 des plantes.<\/p><p><strong>Le microbiote rhizosph\u00e9rique joue donc un r\u00f4le important dans la croissance des plantes. <\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-14af58b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"14af58b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-db4ae7f\" data-id=\"db4ae7f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c291562 elementor-widget elementor-widget-spacer\" data-id=\"c291562\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ec047e2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ec047e2\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e3ccb0\" data-id=\"1e3ccb0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2454980 elementor-widget elementor-widget-text-editor\" data-id=\"2454980\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>&gt; Sur la base de ces informations, est-il possible d\u2019<strong>am\u00e9liorer la croissance des plantes<\/strong> en op\u00e9rant une <strong>s\u00e9lection sur les microbiotes rhizosph\u00e9riques<\/strong>\u00a0?<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e065802 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e065802\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-64d40c4\" data-id=\"64d40c4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b7c318c elementor-widget elementor-widget-text-editor\" data-id=\"b7c318c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>C\u2019est la question \u00e0 laquelle Samuel Jacquiod et Manuel Blouin ont tent\u00e9 de r\u00e9pondre au travers de leur \u00e9tude. L\u2019int\u00e9r\u00eat et l\u2019originalit\u00e9 de leur approche r\u00e9sident dans la mobilisation de la forte capacit\u00e9 d\u2019\u00e9volution et d\u2019adaptation des micro-organismes, dont le cycle vital court <strong>permettrait l\u2019apparition rapide de propri\u00e9t\u00e9s b\u00e9n\u00e9fiques pour la plante<\/strong>.<\/p><p>Au cours de cette \u00e9tude, Samuel Jacquiod a donc ainsi tent\u00e9 d\u2019am\u00e9liorer et d\u2019abaisser, sur dix g\u00e9n\u00e9rations successives, la sant\u00e9 g\u00e9n\u00e9rale d\u2019une plante* mod\u00e8le de la famille des Poac\u00e9es, le Brachypode \u00e0 deux \u00e9pis (<em>Brachypodium dystachion<\/em>). Et ce, en ne se basant que sur la s\u00e9lection et le transfert de leurs microbiotes rhizosph\u00e9riques.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c87ca3d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c87ca3d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2da64cb\" data-id=\"2da64cb\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3f4958f elementor-widget elementor-widget-image\" data-id=\"3f4958f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-1024x768.jpg\" class=\"attachment-large size-large wp-image-56321\" alt=\"\" srcset=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-1024x768.jpg 1024w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-300x225.jpg 300w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-768x576.jpg 768w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-1536x1152.jpg 1536w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Selected_Rhizosphere-min-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1cc0f56 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1cc0f56\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a6f4ce4\" data-id=\"a6f4ce4\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f688df3 elementor-widget elementor-widget-text-editor\" data-id=\"f688df3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>A la fin de chaque g\u00e9n\u00e9ration, les microbiotes rhizosph\u00e9riques des plantes les plus et les moins performantes ont \u00e9t\u00e9 r\u00e9cup\u00e9r\u00e9s (sous forme de jus) et inocul\u00e9s sur de nouvelles plantes. L\u2019ensemble des plantes utilis\u00e9es au cours de l\u2019exp\u00e9rimentation \u00e9tant issues d\u2019un m\u00eame lot de graines, elles pr\u00e9sentaient le m\u00eame patrimoine g\u00e9n\u00e9tique au cours des g\u00e9n\u00e9rations\u00a0: les diff\u00e9rences de performance observ\u00e9es chez les plantes sont donc uniquement caus\u00e9es par microbiote inocul\u00e9.<br \/><br \/>La croissance des plantes et l\u2019\u00e9valuation de leur \u00e9tat de sant\u00e9 g\u00e9n\u00e9ral ont \u00e9t\u00e9 mesur\u00e9es via de multiples photographies (plus de 25 000\u00a0!) gr\u00e2ce \u00e0 la <u><a href=\"https:\/\/www6.dijon.inrae.fr\/plateforme4pmi\">plateforme de ph\u00e9notypage haut-d\u00e9bit \u00ab\u00a0<\/a><\/u><u><a href=\"https:\/\/www6.dijon.inrae.fr\/plateforme4pmi\">4PMI<\/a><a href=\"https:\/\/www6.dijon.inrae.fr\/plateforme4pmi\">\u00a0\u00bb<\/a><\/u> de l\u2019INRAE de Dijon. Cette plateforme, unique en France, constitue un outil indispensable pour r\u00e9aliser un suivi non-destructif des plantes et limiter les perturbations du couple plante-microbiote, condition primordiale pour r\u00e9aliser une s\u00e9lection optimale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-49c8e57 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"49c8e57\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-5684f18\" data-id=\"5684f18\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bf5348 elementor-widget elementor-widget-image\" data-id=\"5bf5348\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-1024x768.jpg\" class=\"attachment-large size-large wp-image-56323\" alt=\"\" srcset=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-1024x768.jpg 1024w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-300x225.jpg 300w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-768x576.jpg 768w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-1536x1152.jpg 1536w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_02-min-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-cb1959c\" data-id=\"cb1959c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-be438e1 elementor-widget elementor-widget-image\" data-id=\"be438e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-1024x768.jpg\" class=\"attachment-large size-large wp-image-56325\" alt=\"\" srcset=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-1024x768.jpg 1024w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-300x225.jpg 300w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-768x576.jpg 768w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-1536x1152.jpg 1536w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/4PMI_01-min-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-2f82214\" data-id=\"2f82214\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3c39bf2 elementor-widget elementor-widget-image\" data-id=\"3c39bf2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"449\" height=\"578\" src=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Analyse_de_vert.jpg\" class=\"attachment-large size-large wp-image-56327\" alt=\"\" srcset=\"https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Analyse_de_vert.jpg 449w, https:\/\/www.ubfc.fr\/wp-content\/uploads\/2021\/11\/Analyse_de_vert-233x300.jpg 233w\" sizes=\"(max-width: 449px) 100vw, 449px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4fc3bd7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4fc3bd7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ea3472e\" data-id=\"ea3472e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e76721a elementor-widget elementor-widget-spacer\" data-id=\"e76721a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-af7f07e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"af7f07e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9501faa\" data-id=\"9501faa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-deb16e0 elementor-widget elementor-widget-text-editor\" data-id=\"deb16e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5 style=\"text-align: center\">L\u2019\u00e9tude a ainsi permis de manipuler avec succ\u00e8s la croissance des plantes**, en se basant uniquement sur la composante microbienne, et cela en moins d\u2019une ann\u00e9e\u00a0!<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a70f34 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a70f34\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-682f128\" data-id=\"682f128\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c11515 elementor-widget elementor-widget-text-editor\" data-id=\"2c11515\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cette \u00e9tude a \u00e9galement conduit \u00e0 une avanc\u00e9e majeure\u00a0: <strong>pour la premi\u00e8re fois, l\u2019\u00e9volution conjointe de la croissance de la plante et de son microbiote au cours de la s\u00e9lection a \u00e9t\u00e9 r\u00e9v\u00e9l\u00e9e<\/strong>.<\/p><p>Deux phases distinctes ont ainsi pu \u00eatre mises en \u00e9vidence. Il y a d\u2019abord une phase initiale transitoire durant laquelle la composition du microbiote varie \u00e9norm\u00e9ment d\u2019une g\u00e9n\u00e9ration \u00e0 l\u2019autre, sans effet sur la plante. Suit une phase de stabilisation au cours de laquelle, la composition du microbiote se stabilise d\u2019une g\u00e9n\u00e9ration \u00e0 l\u2019autre, avec apparition des effets sur la croissance de la plante.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3df940e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3df940e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2627965\" data-id=\"2627965\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9813fda elementor-widget elementor-widget-text-editor\" data-id=\"9813fda\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Ces observations sugg\u00e8rent la mise en place d\u2019une <strong>synchronicit\u00e9 entre les diff\u00e9rentes dynamiques de populations des esp\u00e8ces du microbiote avec la plante<\/strong>, conduisant \u00e0 la modification de sa croissance dans la direction souhait\u00e9e (am\u00e9lioration ou r\u00e9duction).<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4af53f7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4af53f7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-911faff\" data-id=\"911faff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8cf66de elementor-widget elementor-widget-text-editor\" data-id=\"8cf66de\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-size: 8pt;color: #aaaaaa\">* L\u2019\u00e9tat de sant\u00e9 g\u00e9n\u00e9ral des plantes a \u00e9t\u00e9 estim\u00e9 par le biais d\u2019un indice qui comprend la surface des feuilles et l\u2019intensit\u00e9 de la couleur verte, proportionnelle \u00e0 la teneur en chlorophylle.<br \/><\/span><span style=\"font-size: 8pt;color: #aaaaaa\">** Au maximum, +14,81% chez les plantes qui ont \u00e9t\u00e9 inocul\u00e9es avec les microbiotes des plantes les plus performantes, contre -12,37% chez les plantes qui ont \u00e9t\u00e9 inocul\u00e9es avec les microbiotes des plantes les moins performantes.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1daba84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1daba84\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-50a11af\" data-id=\"50a11af\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-127afab elementor-widget elementor-widget-spacer\" data-id=\"127afab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9611efe elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9611efe\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a76fd43\" data-id=\"a76fd43\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5abd28c elementor-widget elementor-widget-text-editor\" data-id=\"5abd28c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h5>&gt; Une d\u00e9couverte qui ouvre la voie \u00e0 de nouvelles possibilit\u00e9s pour l\u2019am\u00e9lioration v\u00e9g\u00e9tale.<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-66525ce elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"66525ce\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cc5d2b1\" data-id=\"cc5d2b1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d848eb2 elementor-widget elementor-widget-text-editor\" data-id=\"d848eb2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Cette \u00e9tude ouvre la voie vers une nouvelle approche de s\u00e9lection v\u00e9g\u00e9tale, tenant compte non plus de la plante seule, mais de l\u2019entit\u00e9 \u00e9largie \u00ab\u00a0plante-microbiote\u00a0\u00bb appel\u00e9e \u00ab\u00a0holobionte\u00a0\u00bb (entit\u00e9 biologique qui comprend un organisme associ\u00e9 \u00e0 tout son cort\u00e8ge de micro-organismes).<\/p><p>D\u2019ailleurs, Samuel Jacquiod et Manuel Blouin planchent d\u00e9j\u00e0 sur le sujet\u00a0: dans leur laboratoire, ils testent actuellement la pertinence de la s\u00e9lection v\u00e9g\u00e9tale par le biais du microbiote rhizosph\u00e9rique\u2026<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5e82b30 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5e82b30\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8aeab03\" data-id=\"8aeab03\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9467e60 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9467e60\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e759ad8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e759ad8\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-600b5a0\" data-id=\"600b5a0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b69744d elementor-widget elementor-widget-text-editor\" data-id=\"b69744d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h6>R\u00e9f\u00e9rence :<\/h6><ul><li><a href=\"https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ele.13916\">https:\/\/onlinelibrary.wiley.com\/doi\/10.1111\/ele.13916<\/a><\/li><li><a href=\"https:\/\/doi.org\/10.1111\/ele.13916\">https:\/\/doi.org\/10.1111\/ele.13916<\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Samuel Jacquiod et Manuel Blouin, du laboratoire Agro\u00e9cologie, proposent une nouvelle approche bas\u00e9e sur la s\u00e9lection des microbiotes rhizosph\u00e9riques. La s\u00e9lection v\u00e9g\u00e9tale ou am\u00e9lioration v\u00e9g\u00e9tale est apparue il y a environ 10 000 ans, avec la domestication des c\u00e9r\u00e9ales. Cette pratique, bas\u00e9e sur la reproduction sexu\u00e9e des plantes, consiste \u00e0 croiser entre eux des sp\u00e9cimens &hellip; <a href=\"https:\/\/www.ubfc.fr\/en\/ameliorer-la-croissance-des-plantes\/\">Continued<\/a><\/p>\n","protected":false},"author":60,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2049,14],"class_list":["post-56307","post","type-post","status-publish","format-standard","hentry","category-recherche","category-ubfc"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Am\u00e9liorer la croissance des plantes ? - COMUE Universit\u00e9 Bourgogne-Franche-Comt\u00e9<\/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:\/\/www.ubfc.fr\/ameliorer-la-croissance-des-plantes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Am\u00e9liorer la croissance des plantes ? - COMUE Universit\u00e9 Bourgogne-Franche-Comt\u00e9\" \/>\n<meta property=\"og:description\" content=\"Samuel Jacquiod et Manuel Blouin, du laboratoire Agro\u00e9cologie, proposent une nouvelle approche bas\u00e9e sur la s\u00e9lection des microbiotes rhizosph\u00e9riques. La s\u00e9lection v\u00e9g\u00e9tale ou am\u00e9lioration v\u00e9g\u00e9tale est apparue il y a environ 10 000 ans, avec la domestication des c\u00e9r\u00e9ales. 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