{"id":3226,"date":"2024-02-14T10:09:31","date_gmt":"2024-02-14T09:09:31","guid":{"rendered":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/?p=3226"},"modified":"2024-02-14T10:32:14","modified_gmt":"2024-02-14T09:32:14","slug":"prairies-multi-especes-et-multi-varietes","status":"publish","type":"post","link":"https:\/\/normandiemaine.cerfrance.fr\/arad2\/prairies-multi-especes-et-multi-varietes\/","title":{"rendered":"Prairies multi-esp\u00e8ces et multi-vari\u00e9t\u00e9s"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">Diversifier la composition g\u00e9notypique des prairies multi-esp\u00e8ces pour gagner en robustesse<\/h1>\n\n\n\n<p class=\"has-medium-font-size\">D\u00e9couvrez l&rsquo;impact de semer des prairies multi-esp\u00e8ces et multi-vari\u00e9t\u00e9s sur leur robustesse.<\/p>\n\n\n\n<p class=\"has-text-align-right has-ast-global-color-0-color has-text-color has-small-font-size\">Date de publication : 14\/02\/2024<\/p>\n\n\n\n<p class=\"has-text-align-justify\">La recherche d\u2019autonomie prot\u00e9ique est un <strong>enjeu de durabilit\u00e9 des syst\u00e8mes d\u2019\u00e9levage<\/strong>. Pour les syst\u00e8mes ruminants fran\u00e7ais, le taux moyen d\u2019autonomie prot\u00e9ique est de 75\u00a0%. Toutefois, cette moyenne cache de <strong>fortes disparit\u00e9s qui sont fonction<\/strong> :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>de la<strong> cat\u00e9gorie de ruminants<\/strong> (86\u00a0% pour les bovins viande contre 47\u00a0% pour les caprins), <\/li>\n\n\n\n<li>des <strong>syst\u00e8mes d\u2019exploitation<\/strong> (contextes p\u00e9doclimatiques, niveau de productivit\u00e9\u2026),<\/li>\n\n\n\n<li>de la <strong>part d\u2019herbe et du p\u00e2turage<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-align-justify\">De nombreux programmes de recherche ont \u00e9t\u00e9 men\u00e9s depuis dix ans comme le <strong>programme Cap Prot\u00e9ine<\/strong>. Ce dernier a notamment \u00e9tudi\u00e9 <strong>quatre leviers\u00a0: diversifier la composition g\u00e9notypique des prairies pour plus de robustesse, p\u00e2turer des l\u00e9gumineuses, d\u00e9velopper des d\u00e9rob\u00e9es d\u2019\u00e9t\u00e9 et p\u00e2turer en automne et en hiver<\/strong>.<\/p>\n\n\n\n<p class=\"has-text-align-justify has-ast-global-color-5-color has-ast-global-color-0-background-color has-text-color has-background\">Dans le cadre du projet Cap Prot\u00e9ines, quatre fermes exp\u00e9rimentales F@rm XP ont \u00e9tudi\u00e9 le premier levier. Il en ressort que <strong>la diversit\u00e9 g\u00e9notypique de prairies multi-esp\u00e8ces n\u2019am\u00e9liore pas la productivit\u00e9 de la prairie<\/strong>. Mais, elle semble \u00eatre un facteur de stabilit\u00e9 du rendement. Dans tous les cas, elle ne permet pas de se dispenser de prendre en compte d\u2019abord le <strong>comportement social des esp\u00e8ces<\/strong> (exemple du dactyle qui reste peu sociable) <strong>dans la construction de prairies multi-esp\u00e8ces<\/strong>. Et il reste primordial que les sch\u00e9mas de s\u00e9lection des vari\u00e9t\u00e9s fourrag\u00e8res passent d\u2019une <strong>approche en mono-sp\u00e9cifique \u00e0 une r\u00e9elle s\u00e9lection en m\u00e9lange<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Int\u00e9r\u00eats attendus des prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s<\/strong><\/h2>\n\n\n\n<p>Des exp\u00e9rimentations r\u00e9centes men\u00e9es \u00e0 l\u2019INRAE de Lusignan ont montr\u00e9\u00a0:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>l\u2019<strong>int\u00e9r\u00eat de l\u2019asynchronie de croissance des composants d\u2019un couvert prairial<\/strong> \u00e0 la fois au niveau des esp\u00e8ces et des vari\u00e9t\u00e9s pour chaque esp\u00e8ce pour le maintien de la production au cours du temps<\/li>\n\n\n\n<li>l\u2019<strong>int\u00e9r\u00eat de la diversit\u00e9 au sein des esp\u00e8ces du m\u00e9lange<\/strong> pour maintenir un \u00e9quilibre entre les esp\u00e8ces.<\/li>\n\n\n\n<li><strong>sans effet sur la productivit\u00e9 globale des m\u00e9langes<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p class=\"has-text-align-justify\">Afin de confirmer ces r\u00e9sultats dans d\u2019autres contextes p\u00e9doclimatiques, dans le cadre de Cap Prot\u00e9ine, des essais ont \u00e9t\u00e9 men\u00e9s dans quatre fermes exp\u00e9rimentales F@rm XP.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Des dispositifs exp\u00e9rimentaux de prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s dans quatre fermes du r\u00e9seau F@rm XP<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modalit\u00e9s test\u00e9es de prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s orient\u00e9e fauche sur le site de Mauron et de Jeu les Bois<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"961\" height=\"355\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes.png?resize=961%2C355&#038;ssl=1\" alt=\"Modalit\u00e9s test\u00e9es de prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s orient\u00e9e fauche sur le site de Mauron et de Jeu les Bois\" class=\"wp-image-3229\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes.png?w=961&amp;ssl=1 961w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes.png?resize=300%2C111&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes.png?resize=768%2C284&amp;ssl=1 768w\" sizes=\"(max-width: 961px) 100vw, 961px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">La <strong>f\u00e9tuque et le dactyle ont \u00e9t\u00e9 choisis pour le c\u00f4t\u00e9 engazonnement <\/strong>et les<strong> l\u00e9gumineuses pour l\u2019apport d\u2019azote<\/strong>, et les vari\u00e9t\u00e9s pour la recherche de diversit\u00e9 de port, de pr\u00e9cocit\u00e9\u2026<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Modalit\u00e9s test\u00e9es de prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s sur le site de Derval et Tr\u00e9varez<\/strong><\/h3>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"947\" height=\"266\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes-2.png?resize=947%2C266&#038;ssl=1\" alt=\"Modalit\u00e9s test\u00e9es de prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s sur le site de Derval et Tr\u00e9varez\" class=\"wp-image-3230\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes-2.png?w=947&amp;ssl=1 947w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes-2.png?resize=300%2C84&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/Modalites-testees-PME-multi-varietes-2.png?resize=768%2C216&amp;ssl=1 768w\" sizes=\"(max-width: 947px) 100vw, 947px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quelques r\u00e9sultats pr\u00e9liminaires sur les prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Un effet tr\u00e8fle violet sur les premi\u00e8res coupes des prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">On observe un effet des esp\u00e8ces de courte dur\u00e9e comme le <strong>tr\u00e8fle violet qui booste la productivit\u00e9 sur les premi\u00e8res coupes<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"619\" height=\"430\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/effet-TV-sur-PME.png?resize=619%2C430&#038;ssl=1\" alt=\"rendements au cycle 1 de Mauron et Jeu les Bois\" class=\"wp-image-3231\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/effet-TV-sur-PME.png?w=619&amp;ssl=1 619w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/effet-TV-sur-PME.png?resize=300%2C208&amp;ssl=1 300w\" sizes=\"(max-width: 619px) 100vw, 619px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pas d\u2019am\u00e9lioration mais une meilleure stabilit\u00e9 du rendement global avec la diversit\u00e9 g\u00e9notypique des prairies multi-esp\u00e8ces<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\">On ne renforce par <strong>la production des prairies multi-esp\u00e8ces avec des m\u00e9langes de vari\u00e9t\u00e9s<\/strong> comme c\u2019est le cas en augmentant le nombre d\u2019esp\u00e8ces dans les prairies. Toutefois, les prairies multi-esp\u00e8ces et multi-vari\u00e9t\u00e9s ont un comportement plus liss\u00e9.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"930\" height=\"286\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/rendements-PME-PMV.png?resize=930%2C286&#038;ssl=1\" alt=\"Pas d\u2019am\u00e9lioration mais une meilleure stabilit\u00e9 du rendement global avec la diversit\u00e9 g\u00e9notypique des prairies multi-esp\u00e8ces\" class=\"wp-image-3232\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/rendements-PME-PMV.png?w=930&amp;ssl=1 930w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/rendements-PME-PMV.png?resize=300%2C92&amp;ssl=1 300w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/rendements-PME-PMV.png?resize=768%2C236&amp;ssl=1 768w\" sizes=\"(max-width: 930px) 100vw, 930px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Pas de stabilisation de la composition du m\u00e9lange multi-vari\u00e9t\u00e9s des prairies multi-esp\u00e8ces<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-justify\"><strong>La diversit\u00e9 des m\u00e9langes se mesure avec l\u2019indice d\u2019\u00e9quit\u00e9. <\/strong>Plus cet indice se rapproche de z\u00e9ro, moins le m\u00e9lange est diversifi\u00e9. On observe ainsi une perte de diversit\u00e9 des vari\u00e9t\u00e9s entre deux ann\u00e9es de suivi. <strong>La diversit\u00e9 g\u00e9notypique ne semble pas stabiliser la composition des m\u00e9langes.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"370\" src=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/indice-equite-PME-PMV.png?resize=589%2C370&#038;ssl=1\" alt=\"Pas de stabilisation de la composition du m\u00e9lange multi-vari\u00e9t\u00e9s des prairies multi-esp\u00e8ces\" class=\"wp-image-3233\" srcset=\"https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/indice-equite-PME-PMV.png?w=589&amp;ssl=1 589w, https:\/\/i0.wp.com\/normandiemaine.cerfrance.fr\/arad2\/wp-content\/uploads\/sites\/3\/2024\/02\/indice-equite-PME-PMV.png?resize=300%2C188&amp;ssl=1 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-justify\">Ainsi, m\u00eame en augmentant le nombre de vari\u00e9t\u00e9 des esp\u00e8ces, <strong>il faut d\u2019abord tenir compte du comportement social des esp\u00e8ces.<\/strong> Par exemple, le dactyle reste une esp\u00e8ce peu sociale m\u00eame si on augmente la diversit\u00e9 g\u00e9notypique des autres esp\u00e8ces.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Un besoin d\u2019adapter les modalit\u00e9s de s\u00e9lection des vari\u00e9t\u00e9s fourrag\u00e8res pour les prairies multi-esp\u00e8ces multi-vari\u00e9t\u00e9s<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-text-align-justify\">La plupart des efforts de s\u00e9lection et d\u2019inscription de vari\u00e9t\u00e9s fourrag\u00e8res sont actuellement r\u00e9alis\u00e9s en culture mono-sp\u00e9cifique m\u00eame si les vari\u00e9t\u00e9s sont utilis\u00e9es en m\u00e9lange. Plusieurs \u00e9tudes montrent que la valeur d\u2019une vari\u00e9t\u00e9 en m\u00e9lange n\u2019est pas bien pr\u00e9dite par sa valeur en culture pure.<strong> L\u2019aptitude g\u00e9n\u00e9rale d\u2019une plante cible est la somme de son effet direct<\/strong> (<em>i.e.<\/em> sa valeur moyenne lorsqu\u2019elle est m\u00e9lang\u00e9e \u00e0 un ensemble de g\u00e9notypes d\u2019une ou d\u2019autres esp\u00e8ces) <strong>et de son effet associ\u00e9<\/strong> (<em>i.e.<\/em> la valeur moyenne de tous les g\u00e9notypes de ou des autres esp\u00e8ces auxquelles elle a \u00e9t\u00e9 m\u00e9lang\u00e9e). L\u2019\u00e9valuation de ces effets directs et associ\u00e9s est donc essentielle bien qu\u2019assez complexe \u00e0 mettre en \u0153uvre. <strong>La s\u00e9lection g\u00e9nomique pourrait permettre de simplifier ces dispositifs et d\u2019am\u00e9liorer leur efficacit\u00e9.<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n<div class=\"_3d-flip-book  fb3d-fullscreen-mode full-size\" data-id=\"3236\" data-mode=\"fullscreen\" data-title=\"false\" data-template=\"short-white-book-view\" data-lightbox=\"dark-shadow\" data-urlparam=\"fb3d-page\" data-page-n=\"0\" data-pdf=\"\" data-tax=\"null\" data-thumbnail=\"\" data-cols=\"3\" data-book-template=\"default\" data-trigger=\"\"><\/div><script type=\"text\/javascript\">window.FB3D_CLIENT_DATA = window.FB3D_CLIENT_DATA || [];FB3D_CLIENT_DATA.push('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');window.FB3D_CLIENT_LOCALE && FB3D_CLIENT_LOCALE.render && FB3D_CLIENT_LOCALE.render();<\/script>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pour d&rsquo;autres publications sur les prairies, n&rsquo;h\u00e9sitez pas \u00e0 consulter notre rubrique <a href=\"https:\/\/normandiemaine.cerfrance.fr\/arad2\/category\/reductions-dintrants-en-cultures-et-en-elevage\/nourrir-les-animaux\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nourrir les animaux<\/a>. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Sources : <\/h2>\n\n\n\n<p><em>Barre P., Barillot R., Bourgoin T., Combes D., Durand J.L., Escobar.Gutierrez A., Firmat C., Frak E., Ghesqui\u00e8re M., Julier B., Keep T., Litrico I., Louarn G., Meilhac J., SampouxJ.P., Surault F., Wolff B., Volaire.F., (2020). \u00ab La diversit\u00e9 g\u00e9n\u00e9tique pour l\u2019adaptation des prairies au changement climatique \u00bb. Fourrages 244, 47-53<\/em><\/p>\n\n\n\n<p><em>Pierre P., et al, 2024. <a href=\"https:\/\/www.farmxp.fr\/nos-actualites\/500-personnes-ont-assiste-a-la-biennale-f-rmxp-le-30-janvier-2024\" target=\"_blank\" rel=\"noreferrer noopener\">Une diversit\u00e9 de leviers fourragers au service de l\u2019autonomie et de la robustesse du syst\u00e8me<\/a>. Biennales F@rm XP du 30 janvier 2024 <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diversifier la composition g\u00e9notypique des prairies multi-esp\u00e8ces pour gagner en robustesse<\/p>\n","protected":false},"author":5,"featured_media":3245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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