{"id":17094,"date":"2025-12-08T16:01:53","date_gmt":"2025-12-08T15:01:53","guid":{"rendered":"https:\/\/treevaset.com\/essentiel-bonsai\/greffe-par-percage-bonsai\/"},"modified":"2026-11-11T11:01:40","modified_gmt":"2026-11-11T10:01:40","slug":"greffe-par-percage-bonsai","status":"publish","type":"post","link":"https:\/\/treevaset.com\/fr\/essentiel-bonsai\/greffe-par-percage-bonsai\/","title":{"rendered":"Greffe du bonsa\u00ef\u00a0: la greffe par per\u00e7age cr\u00e9e une branche exactement o\u00f9 il en faut une"},"content":{"rendered":"<p>Quand un bonsa\u00ef refuse de faire une branche \u00e0 l\u2019endroit o\u00f9 vous en avez besoin, il existe une solution fiable\u00a0: <strong>la greffe par per\u00e7age<\/strong>.<br \/>Cette technique cr\u00e9e une branche exactement l\u00e0 o\u00f9 le projet de l\u2019arbre l\u2019exige, m\u00eame chez les esp\u00e8ces qui bourgeonnent mal sur le vieux bois.<\/p>\n<p>Dans ce guide, Luca montre comment fonctionne la greffe par per\u00e7age, comment savoir si la greffe a pris et \u00e0 quel moment on peut couper la branche d\u2019origine sans risque.<\/p>\n<figure class=\"tv-video\" style=\"aspect-ratio:16\/9;margin:0 0 1.5em\"><iframe loading=\"lazy\" style=\"width:100%;height:100%;border:0;border-radius:10px\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/ulF31eYaSSE\" title=\"Thread Grafting in Bonsai \u2014 Full Tutorial by Luca\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/figure>\n<p>Ce tutoriel vous pla\u00eet\u00a0? <a href=\"https:\/\/www.youtube.com\/@LucaTreevaset\">Abonnez-vous \u00e0 notre cha\u00eene YouTube<\/a> pour une nouvelle vid\u00e9o sur le bonsa\u00ef chaque semaine \u2192<\/p>\n<h2>Qu\u2019est-ce que la greffe par per\u00e7age\u00a0?<\/h2>\n<p>La greffe par per\u00e7age est une technique de bonsa\u00ef qui consiste \u00e0 faire passer une branche existante dans un trou perc\u00e9 \u00e0 travers le tronc, pour qu\u2019elle ressorte de l\u2019autre c\u00f4t\u00e9, l\u00e0 o\u00f9 il manque une branche.<\/p>\n<p>Le principe est simple\u00a0:<br \/>vous \u00ab\u00a0enfilez\u00a0\u00bb une jeune branche \u00e0 travers le tronc pour qu\u2019elle pousse du c\u00f4t\u00e9 voulu. Avec le temps, les cambiums de la branche et du tronc se soudent, et une nouvelle branche d\u2019aspect parfaitement naturel appara\u00eet l\u00e0 o\u00f9 le projet de l\u2019arbre l\u2019exige.<\/p>\n<p>C\u2019est l\u2019une des m\u00e9thodes de greffe les plus s\u00fbres, parce que la branche reste attach\u00e9e \u00e0 l\u2019arbre et continue d\u2019\u00eatre aliment\u00e9e par lui pendant que la greffe se soude.<\/p>\n<h2>La greffe par per\u00e7age, \u00e9tape par \u00e9tape<\/h2>\n<h3>1. Choisir une branche jeune et souple<\/h3>\n<p>La branche doit \u00eatre assez longue pour traverser le tronc et continuer \u00e0 pousser vers l\u2019ext\u00e9rieur de l\u2019autre c\u00f4t\u00e9.<br \/>Une pousse souple s\u2019enfile plus facilement sans \u00eatre ab\u00eem\u00e9e.<\/p>\n<h3>2. Percer un trou net \u00e0 travers le tronc<\/h3>\n<p>Le trou doit \u00eatre un peu plus large que la branche, pour ne pas \u00e9corcher le cambium.<br \/>L\u2019objectif\u00a0: que la branche passe sans frottement.<\/p>\n<h3>3. Faire passer la branche dans le trou<\/h3>\n<p>On pousse la branche \u00e0 travers le tronc jusqu\u2019\u00e0 ce qu\u2019elle ressorte du c\u00f4t\u00e9 oppos\u00e9.<br \/>Luca le montre bien dans la vid\u00e9o\u00a0: la branche entre par l\u2019arri\u00e8re et ressort \u00e0 l\u2019endroit o\u00f9 il faut une nouvelle branche.<\/p>\n<h3>4. La laisser pousser et grossir<\/h3>\n<p>Pendant que la branche pousse, il se passe quelque chose d\u2019important\u00a0:<br \/>le tronc grossit et se resserre peu \u00e0 peu autour de la branche, jusqu\u2019\u00e0 ce que les cambiums des deux parties se soudent.<\/p>\n<p>\u00c0 ce stade, la branche greff\u00e9e fait partie du tronc\u00a0: elle n\u2019y est plus tenue par la pression, elle y est soud\u00e9e.<\/p>\n<h2>Comment savoir si la greffe a pris\u00a0?<\/h2>\n<p>Luca explique le signe \u00e0 surveiller\u00a0:<\/p>\n<p><strong><em>\u00ab\u00a0Quand la branche devient plus \u00e9paisse \u00e0 la sortie qu\u2019\u00e0 sa base d\u2019origine, la s\u00e8ve ne revient plus par le point d\u2019entr\u00e9e. La branche est d\u00e9j\u00e0 reli\u00e9e au tronc du c\u00f4t\u00e9 de la sortie.\u00a0\u00bb<\/em><\/strong><\/p>\n<p>Cela signifie que\u00a0:<\/p>\n<ul>\n<li>la greffe est aliment\u00e9e par le tronc<\/li>\n<li>la partie d\u2019origine de la branche n\u2019est plus n\u00e9cessaire<\/li>\n<li>la soudure est faite et stable<\/li>\n<\/ul>\n<p>\u00c0 ce moment-l\u00e0, vous pouvez supprimer la partie d\u2019origine sans risque.<\/p>\n<h2>Quand couper la branche d\u2019origine<\/h2>\n<p>Une fois la branche greff\u00e9e enti\u00e8rement soud\u00e9e, coupez la partie qui l\u2019alimentait au d\u00e9part.<\/p>\n<p>Ce qu\u2019il vous reste\u00a0: une branche plac\u00e9e au bon endroit, d\u2019aspect naturel, qui semble avoir pouss\u00e9 l\u00e0 depuis toujours.<\/p>\n<p>Pas d\u2019angle forc\u00e9, pas d\u2019aspect artificiel\u00a0: une branche nette, bien plac\u00e9e.<\/p>\n<h2>Pourquoi la greffe par per\u00e7age fonctionne si bien<\/h2>\n<p>La greffe par per\u00e7age donne de tr\u00e8s bons r\u00e9sultats sur les esp\u00e8ces \u00e0 feuillage caduc qui ne bourgeonnent pas de fa\u00e7on fiable sur le vieux bois, par exemple\u00a0:<\/p>\n<ul>\n<li>le pommier<\/li>\n<li>le charme<\/li>\n<li>le h\u00eatre<\/li>\n<li>l\u2019abricotier du Japon (<em>Prunus mume<\/em>)<\/li>\n<li>de nombreux arbres fruitiers<\/li>\n<\/ul>\n<p>Elle vous donne la ma\u00eetrise compl\u00e8te de la position des branches et vous laisse construire la structure voulue m\u00eame quand l\u2019arbre ne s\u2019y pr\u00eate pas de lui-m\u00eame.<\/p>\n<p>Pour une mise en forme avanc\u00e9e ou pour corriger un d\u00e9faut de structure, cette technique rend de grands services.<\/p>\n<h2>Vous voulez construire un bonsa\u00ef depuis le d\u00e9part\u00a0?<\/h2>\n<p>Partir d\u2019un jeune sujet vous laisse libre de d\u00e9cider toute la structure de votre arbre. Parcourez nos <a href=\"https:\/\/treevaset.com\/fr\/bonsai\/young-pre-bonsai\/\">jeunes pr\u00e9-bonsa\u00efs, adapt\u00e9s aux d\u00e9butants<\/a>.<\/p>\n<p><script type=\"application\/ld+json\">\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"VideoObject\",\n \"name\": \"Thread Grafting in Bonsai \u2014 Full Tutorial by Luca\",\n \"description\": \"Thread Grafting in Bonsai \u2014 Full Tutorial by Luca \u2014 Video by Luca Valagussa (Treevaset)\",\n \"thumbnailUrl\": \"https:\/\/i.ytimg.com\/vi\/ulF31eYaSSE\/hqdefault.jpg\",\n \"uploadDate\": \"2026-01-30\",\n \"duration\": \"PT12M8S\",\n \"embedUrl\": \"https:\/\/www.youtube-nocookie.com\/embed\/ulF31eYaSSE\",\n \"contentUrl\": \"https:\/\/www.youtube.com\/watch?v=ulF31eYaSSE\",\n \"publisher\": {\n  \"@type\": \"Organization\",\n  \"name\": \"Treevaset\",\n  \"url\": \"https:\/\/treevaset.com\"\n }\n}\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La greffe par per\u00e7age est l\u2019une des techniques les plus pr\u00e9cises du bonsa\u00ef.<\/p>\n","protected":false},"author":44,"featured_media":17093,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"default","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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