{"id":68757,"date":"2025-01-29T15:59:54","date_gmt":"2025-01-29T14:59:54","guid":{"rendered":"https:\/\/linetchanvrebio.org\/?p=68757"},"modified":"2025-01-29T16:13:42","modified_gmt":"2025-01-29T15:13:42","slug":"resulatsessais","status":"publish","type":"post","link":"https:\/\/linetchanvrebio.org\/index.php\/2025\/01\/29\/resulatsessais\/","title":{"rendered":"R\u00e9trospective essais chanvre textile 2024 \u2013 perspectives 2025\u00a0"},"content":{"rendered":"\n<p><strong>LCBio 2024 : <\/strong>12 ha d\u2019 EXP\u00c9RIMENTATIONS chanvre<strong>\u00a0<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-red-color has-text-color has-link-color wp-elements-4305d1a203bea053e1f4ecc8d0b82f31\"><strong>Exp\u00e9rimentation N\u00b01\u202f: Les impacts du chanvre sur le lin textile<\/strong>\u00a0<\/h2>\n\n\n\n<p class=\"has-light-brown-background-color has-background\"><strong>Objectif : <\/strong><strong>D\u00e9terminer l\u2019effet du chanvre, plante nettoyante en tant que \u00ab pr\u00e9c\u00e9dent au lin\u00bb, exp\u00e9rimentation r\u00e9p\u00e9t\u00e9e sur trois ans (2022-2024<\/strong><strong>)<\/strong>\u00a0<\/p>\n\n\n\n<p><strong>\u00a0<\/strong><em>5 agriculteurs, 1 vari\u00e9t\u00e9, 5 modalit\u00e9s, 3 teillages : Lini\u00e8re du Nord de Caen<\/em>\u00a0<br><strong>Synth\u00e8se des r\u00e9sultats\u202f:<\/strong>\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-red-color has-text-color has-link-color wp-elements-3eb7c572fdbe4dcdb8a4d1d93a5c79e5\"><strong>LIN DE PRINTEMPS\u202f:\u00a0<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"has-dark-gray-color has-text-color has-link-color wp-elements-61d90aa931c1644f7785e8782662b432\">Au cours de ces 2 ann\u00e9es d\u2019exp\u00e9rimentations, il n&rsquo;a pas \u00e9t\u00e9 possible d&rsquo;\u00e9tablir factuellement un impact du pr\u00e9c\u00e9dent chanvre sur la r\u00e9duction du salissement de la parcelle, ni d\u2019impact sur le rendement au teillage pour le lin de printemps.\u00a0<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li class=\"has-red-color has-text-color has-link-color wp-elements-555599b450c47079086917488f07cf1f\"><strong>LIN D\u2019HIVER\u202f:\u00a0<\/strong>\n<ul class=\"wp-block-list\">\n<li class=\"has-dark-gray-color has-text-color has-link-color wp-elements-e18dbfd6ff2b49c579a81ae3bc024d31\">Si les r\u00e9sultats \u00e0 venir sont en accord avec ceux obtenus sur ces 2 premi\u00e8res ann\u00e9es, cela indiquerait que le chanvre est un pr\u00e9c\u00e9dent favorisant significativement la r\u00e9duction du salissement des parcelles de lin d\u2019hiver. Il semblerait qu\u2019il y ait \u00e9galement un impact favorable sur le rendement en fibres mais nous sommes en attente des r\u00e9sultats de teillage R2024 et R2025.\u00a0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-1024x512.jpeg\" alt=\"\" class=\"wp-image-68759\" srcset=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-1024x512.jpeg 1024w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-300x150.jpeg 300w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-150x75.jpeg 150w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-768x384.jpeg 768w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-1536x768.jpeg 1536w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3.jpeg 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Une derni\u00e8re ann\u00e9e d&rsquo;exp\u00e9rimentation sur le lin d&rsquo;hiver est pr\u00e9vue pour 2025.\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-red-color has-text-color has-link-color wp-elements-3288b35e85bffb934e05b87a862fce6d\"><strong>Exp\u00e9rimentation N\u00b02<\/strong><strong> : <\/strong><strong>Tester le potentiel en finesse d\u2019une vari\u00e9t\u00e9 tardive (Muka 76) fauch\u00e9e pr\u00e9cocement.<\/strong>&nbsp;<\/h2>\n\n\n\n<p><em>1 agriculteurs, 1vari\u00e9t\u00e9s, 1 teillage (La Lini\u00e8re du Nord de Caen &#8211; 14)<\/em>\u00a0<br><strong><em>Vari\u00e9t\u00e9 MUKA 76 : date de floraison 21 ao\u00fbt, fauch\u00e9e le 2 ao\u00fbt 2024.<\/em><\/strong>\u00a0<\/p>\n\n\n\n<p class=\"has-light-brown-background-color has-background\">Nous testons la vari\u00e9t\u00e9 tardive Muka 76 sur 3 ans afin de d\u00e9terminer si on peut gagner en finesse en fauchant pr\u00e9coc\u00e9ment des tardives.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"682\" src=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-1024x682.png\" alt=\"\" class=\"wp-image-68761\" srcset=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-1024x682.png 1024w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-300x200.png 300w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-150x100.png 150w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3-768x512.png 768w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-3.png 1160w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Lors de nos commissions filasse, a vari\u00e9t\u00e9 Muka a \u00e9t\u00e9 class\u00e9e plus fine que l\u2019Uso par les courtiers.&nbsp;<\/p>\n\n\n\n<p><strong><em>R\u00e9sultats comparatifs de teillage de Muka R2022 jusqu&rsquo;\u00e0 R2024 <\/em><\/strong>\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong><\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Paille t\/ha<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>FL total<\/strong>&nbsp;<strong>kg\/ha<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>total FL%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>% \u00e9toupes<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>% fibres<\/strong>&nbsp;<strong>totales<\/strong>&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>USO 31<\/strong>&nbsp;<strong>&nbsp;&nbsp; <\/strong>moyenne LNC 2023&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>7.5<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>1080<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>15.7%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>20.9%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>36.6%<\/strong>&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Muka&nbsp; 2022<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>5.53<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>825<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>14.9%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>23.8%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>38.7%<\/strong>&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Muka&nbsp; 2023<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>7.44<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>945<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>12.7%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>18.5%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>31.2%<\/strong>&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Muka&nbsp; 2024<\/strong>&nbsp;&nbsp;M.Vandecandelaere&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>8.23<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>1492<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>18.1%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>15.9%<\/strong>&nbsp;<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>34%<\/strong>&nbsp;<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong><em>Coupes microscopiques R 2024 avec l\u2019UTTOP&nbsp; pour d\u00e9terminer les caract\u00e9ristiques des vari\u00e9t\u00e9s<\/em><\/strong>&nbsp;<\/p>\n\n\n\n<p>Des pr\u00e9l\u00e8vements ont \u00e9t\u00e9 envoy\u00e9s tout au long de la croissance \u00e0 l\u2019UTTOP pour un suivi de la formation des fibres. les r\u00e9sultats des coupes microscopiques des pr\u00e9l\u00e8vements envoy\u00e9s \u00e0 l\u2019UTTOP montrent \u00e9galement plus de finesse des fibres primaires&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"484\" src=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-1024x484.png\" alt=\"\" class=\"wp-image-68762\" srcset=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-1024x484.png 1024w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-300x142.png 300w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-150x71.png 150w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-768x363.png 768w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-1536x727.png 1536w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4.png 1600w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong><em>Synth\u00e8se des r\u00e9sultats<\/em><\/strong>&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maturit\u00e9 des fibres d\u2019USO 31 et MUKA 76 \u00e9quivalente fin juillet (tr\u00e8s fort remplissage des fibres primaires)\u00a0 => bonne t\u00e9nacit\u00e9 et fauchabilit\u00e9\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MUKA 76 pr\u00e9sente un % de fibres secondaires l\u00e9g\u00e8rement sup\u00e9rieur \u00e0 USO 31\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>USO 31 produit une quantit\u00e9 de fibres primaires plus importante (+ 35% environ)\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>MUKA 76 a des fibres \u00e9l\u00e9mentaires plus fines que celle de l\u2019USO 31\u00a0 (+25% d\u2019\u00e9cart) (Tr\u00e8s important au niveau de la filature au mouill\u00e9 si on souhaite arriver \u00e0 des fils fins=>Les fibres de MUKA 76 ont une meilleure divisibilit\u00e9 que celles d\u2019USO 31 (tr\u00e8s important pour pr\u00e9paration\u00a0 des fibres \u00e0 la filature)\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><em>MUKA 76 poss\u00e8de un potentiel de finesse sup\u00e9rieur \u00e0 USO 31 pour la filature au mouill\u00e9, mais produit moins de\u00a0 fibres primaires.<\/em><\/strong>\u00a0<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-red-color has-text-color has-link-color wp-elements-866f931d81818470b812e27d278dd09c\"><strong>Exp\u00e9rimentation n\u00b03 :<\/strong><strong> \u00c9valuations vari\u00e9tales<\/strong>&nbsp;<\/h2>\n\n\n\n<p class=\"has-light-brown-background-color has-background\"><strong>Objectifs : <\/strong><strong>En lien avec le semencier et un filateur, \u00e9valuer le potentiel en fibres de diff\u00e9rentes vari\u00e9t\u00e9s et d\u2019un cultivar non encore inscrit au catalogue dans le but d\u2019\u00e9largir le panel de vari\u00e9t\u00e9s de chanvre disponible pour la fili\u00e8re textile.<\/strong>&nbsp;<\/p>\n\n\n\n<p><em>1&nbsp;&nbsp;&nbsp; agriculteur, 5 vari\u00e9t\u00e9s, 1 teillage (La Lini\u00e8re du Nord de Caen &#8211; 14)<\/em>&nbsp;<\/p>\n\n\n\n<p>Essais tr\u00e8s r\u00e9ussis, bien tabl\u00e9s, homog\u00e8nes, tr\u00e8s bonnes densit\u00e9s, hauteurs moyennes d\u2019env.2 m.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"521\" height=\"467\" src=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4.jpeg\" alt=\"\" class=\"wp-image-68760\" srcset=\"https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4.jpeg 521w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-300x269.jpeg 300w, https:\/\/linetchanvrebio.org\/wp-content\/uploads\/image-4-150x134.jpeg 150w\" sizes=\"auto, (max-width: 521px) 100vw, 521px\" \/><\/figure>\n\n\n\n<p>Fauche le 02 Ao\u00fbt 2024, pas de probl\u00e8me de fauchage malgr\u00e9 les diff\u00e9rences de stades de floraison. Rouissage 49 jours, pluviom\u00e9trie 84 mm. Globalement qualitatif. Enroulage le 20 septembre 2024. Le rendement moyen s&rsquo;\u00e9l\u00e8ve \u00e0 7,3 t\/ha.&nbsp;<\/p>\n\n\n\n<p>Aucun probl\u00e8me n&rsquo;a \u00e9t\u00e9 rencontr\u00e9 du semis \u00e0 la r\u00e9colte. Les essais 2024 n&rsquo;ont pas encore \u00e9t\u00e9 teill\u00e9s.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LCBio 2024 : 12 ha d\u2019 EXP\u00c9RIMENTATIONS chanvre\u00a0 Exp\u00e9rimentation N\u00b01\u202f: Les impacts du chanvre sur le lin textile\u00a0 Objectif : D\u00e9terminer l\u2019effet du chanvre, plante nettoyante en tant que \u00ab pr\u00e9c\u00e9dent au lin\u00bb, exp\u00e9rimentation r\u00e9p\u00e9t\u00e9e sur trois ans (2022-2024)\u00a0 \u00a05 agriculteurs, 1 vari\u00e9t\u00e9, 5 modalit\u00e9s, 3 teillages : Lini\u00e8re du Nord de Caen\u00a0Synth\u00e8se des r\u00e9sultats\u202f:\u00a0 &hellip; <a href=\"https:\/\/linetchanvrebio.org\/index.php\/2025\/01\/29\/resulatsessais\/\" class=\"more-link\">Continuer la lecture de <span class=\"screen-reader-text\">R\u00e9trospective essais chanvre textile 2024 \u2013 perspectives 2025\u00a0<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":31,"featured_media":68760,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,32],"tags":[12,48,47,13],"class_list":["post-68757","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evenement","category-le-chanvre-textile","tag-chanvre","tag-essais","tag-resultats","tag-textile"],"_links":{"self":[{"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/posts\/68757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/comments?post=68757"}],"version-history":[{"count":2,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/posts\/68757\/revisions"}],"predecessor-version":[{"id":68765,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/posts\/68757\/revisions\/68765"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/media\/68760"}],"wp:attachment":[{"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/media?parent=68757"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/categories?post=68757"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/linetchanvrebio.org\/index.php\/wp-json\/wp\/v2\/tags?post=68757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}