{"id":13809,"date":"2023-08-20T18:03:49","date_gmt":"2023-08-20T18:03:49","guid":{"rendered":"https:\/\/www.rayzeek.com\/?p=13809"},"modified":"2023-12-26T08:40:14","modified_gmt":"2023-12-26T08:40:14","slug":"what-is-far-red-light","status":"publish","type":"post","link":"https:\/\/www.rayzeek.com\/fr\/glossaire\/quest-ce-que-la-lumiere-rouge-lointaine","title":{"rendered":"Qu'est-ce que le feu rouge lointain ?"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-far-red-light\">Qu'est-ce que le feu rouge lointain ?<\/h2><p>La lumi\u00e8re rouge lointaine, \u00e9galement appel\u00e9e lumi\u00e8re FR, est une bande d'ondes situ\u00e9e \u00e0 l'extr\u00e9mit\u00e9 du spectre de la lumi\u00e8re visible, avec des longueurs d'onde comprises entre 700 et 780 nanom\u00e8tres (nm). Elle se situe en dehors de la plage du rayonnement photosynth\u00e9tiquement actif (PAR), qui comprend des longueurs d'onde comprises entre 400 et 700 nm. Alors que la lumi\u00e8re rouge lointaine est traditionnellement consid\u00e9r\u00e9e comme ayant une contribution minimale \u00e0 la photosynth\u00e8se, des \u00e9tudes r\u00e9centes ont montr\u00e9 sa capacit\u00e9 unique \u00e0 am\u00e9liorer l'efficacit\u00e9 de la photosynth\u00e8se lorsqu'elle est combin\u00e9e \u00e0 une lumi\u00e8re de longueur d'onde plus courte.<\/p><p>La lumi\u00e8re rouge lointaine joue un r\u00f4le biologique crucial dans la croissance et le rendement des plantes. Elle interagit avec les photons de longueur d'onde plus courte pour augmenter l'efficacit\u00e9 de la photosynth\u00e8se, m\u00eame si sa propre efficacit\u00e9 photosynth\u00e9tique diminue avec l'augmentation de la longueur d'onde. En d\u00e9livrant de la lumi\u00e8re rouge lointaine aux cultures \u00e0 des moments pr\u00e9cis, les producteurs peuvent manipuler les r\u00e9actions des plantes, acc\u00e9l\u00e9rer la floraison et augmenter le rendement global. Cette manipulation est possible gr\u00e2ce \u00e0 l'utilisation de syst\u00e8mes intelligents de contr\u00f4le de l'\u00e9clairage, qui permettent aux producteurs de tirer parti des avantages de la lumi\u00e8re rouge lointaine. La lumi\u00e8re rouge lointaine affecte \u00e9galement la croissance des plantes et leur capacit\u00e9 \u00e0 capter la lumi\u00e8re. Les plantes per\u00e7oivent une augmentation de la proportion de photons rouges lointains comme un signal d'ombre et r\u00e9agissent en poussant plus haut pour concurrencer les plantes voisines. En ajustant le rapport rouge\/rouge lointain dans le spectre de la lumi\u00e8re de croissance, les cultivateurs peuvent manipuler l'apparence, la forme et la hauteur des plantes, ainsi que maximiser le rendement en augmentant la capture de la lumi\u00e8re ou en am\u00e9liorant la floraison.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Inspirez-vous des portefeuilles de d\u00e9tecteurs de mouvement Rayzeek.<\/h3><p>Vous ne trouvez pas ce que vous voulez ? Ne vous inqui\u00e9tez pas. Il existe toujours d'autres moyens de r\u00e9soudre vos probl\u00e8mes. L'un de nos portefeuilles peut peut-\u00eatre vous aider.<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement\"><p>D\u00e9tecteurs de mouvement PIR<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/interrupteurs-a-detecteur-de-mouvement\"><p>Interrupteurs \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/capteurs-doccupation-et-dinoccupation\"><p>Capteurs d\u2019occupation<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/produits\/rz050\"><p>D\u00e9tecteur de mouvement pour climatiseur<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/motion-sensor-light-strip\"><p>Rubans lumineux \u00e0 d\u00e9tecteur de mouvement<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/dc-sensor-dimmer\"><p>D\u00e9tecteurs de mouvement\/d\u00e9tecteurs d'intensit\u00e9 \u00e0 basse tension \u00e0 courant continu<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/fr\/categorie-de-produit\/capteurs-de-mouvement-sans-fil\"><p>Kits de d\u00e9tecteurs de mouvement sans fil<\/p><\/a><\/div><\/div><\/div><\/div><div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Questions fr\u00e9quemment pos\u00e9es<\/h2>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-color-light-is-best-for-indoor-plants\">Quelle est la meilleure couleur de lumi\u00e8re pour les plantes d'int\u00e9rieur ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La lumi\u00e8re bleue est le choix optimal pour les plantes d'int\u00e9rieur car elle stimule la production de chlorophylle, essentielle \u00e0 leur croissance. En outre, elle joue un r\u00f4le crucial dans la promotion de la germination et du d\u00e9veloppement des racines chez les jeunes plantes et les semis. La lumi\u00e8re rouge, quant \u00e0 elle, est responsable de la r\u00e9gulation de la croissance des plantes et facilite la production de fleurs et de fruits.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-far-red-light-do\">Quel est l'effet de la lumi\u00e8re rouge lointaine ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La lumi\u00e8re rouge lointaine a un impact significatif sur la croissance de l'extension, c'est-\u00e0-dire la taille des feuilles, la longueur des tiges et, finalement, la hauteur des plantes.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-difference-between-red-light-and-far-red-light\">Quelle est la diff\u00e9rence entre la lumi\u00e8re rouge et la lumi\u00e8re rouge lointaine ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La lumi\u00e8re rouge est g\u00e9n\u00e9ralement d\u00e9finie comme une lumi\u00e8re dont la longueur d'onde est comprise entre 600 et 700 nm. En revanche, la lumi\u00e8re rouge lointaine, qui marque le d\u00e9but du spectre infrarouge, a une longueur d'onde comprise entre 700 et 800 nm.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-far-red-light-do-for-plants\">Quel est l'effet de la lumi\u00e8re rouge lointaine sur les plantes ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>L'ajout de lumi\u00e8re rouge lointaine aux plantes, qui se compose de photons dont la longueur d'onde est comprise entre 700 et 750 nanom\u00e8tres (nm), peut am\u00e9liorer le taux de photosynth\u00e8se en permettant aux plantes d'utiliser plus efficacement la lumi\u00e8re pour la production d'hydrates de carbone.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-the-difference-between-deep-red-and-far-red\">Quelle est la diff\u00e9rence entre le rouge profond et le rouge lointain ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Le rouge profond, \u00e9galement connu sous le nom de rouge photo dans certaines marques grand public, a une longueur d'onde d'environ 660-670 nm. En revanche, le rouge lointain, principalement utilis\u00e9 pour la culture des plantes, a une longueur d'onde d'environ 730 nm, qui se situe au seuil de la perception visuelle humaine.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-does-far-red-light-look-like\">\u00c0 quoi ressemble un feu rouge lointain ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>La lumi\u00e8re rouge lointaine est un segment de lumi\u00e8re qui se trouve \u00e0 l'extr\u00e9mit\u00e9 de la section rouge du spectre visible, juste avant la lumi\u00e8re infrarouge. G\u00e9n\u00e9ralement, on consid\u00e8re qu'elle se situe dans la gamme de longueurs d'onde de 700 \u00e0 750 nm et qu'elle peut \u00eatre faiblement per\u00e7ue par l'\u0153il humain.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-absorbs-far-red-light\">Ce qui absorbe la lumi\u00e8re rouge lointaine<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Le phytochrome, un pigment, est responsable de l'absorption de la lumi\u00e8re rouge et de la lumi\u00e8re rouge lointaine.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-far-red-light-the-same-as-infrared\">La lumi\u00e8re rouge lointaine est-elle la m\u00eame que l'infrarouge ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Avec une longueur d'onde comprise entre 700 et 850 nm, la lumi\u00e8re rouge lointaine se situe entre la lumi\u00e8re rouge et la lumi\u00e8re infrarouge.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-is-there-more-far-red-light-at-night\">Y a-t-il plus de lumi\u00e8re rouge lointaine la nuit ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>Lors de la transition du jour \u00e0 la nuit, la proportion de lumi\u00e8re rouge lointaine d\u00e9passe celle de la lumi\u00e8re rouge. Ce changement dans le spectre lumineux entra\u00eene une augmentation des niveaux de Pr, ce qui se traduit par une concentration l\u00e9g\u00e8rement plus \u00e9lev\u00e9e de Pfr et une concentration plus faible de Pr. Pendant la p\u00e9riode d'obscurit\u00e9, les plantes produisent naturellement du Pr, qui s'accumule au fil du temps.<\/p><\/div><\/div><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-can-plants-get-too-much-red-light\">Les plantes peuvent-elles recevoir trop de lumi\u00e8re rouge ?<\/h3><\/div><\/div>\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><p>De nombreuses plantes cultiv\u00e9es uniquement sous lumi\u00e8re rouge, comme celles qui sont cultiv\u00e9es \u00e0 l'int\u00e9rieur en utilisant uniquement des LED rouges, ont tendance \u00e0 pr\u00e9senter des sch\u00e9mas de croissance allong\u00e9s. Les feuilles deviennent minces et larges, ce qui fait que les plantes deviennent grandes. Cependant, il est important de noter que les plantes cultiv\u00e9es exclusivement sous lumi\u00e8re rouge ne pr\u00e9sentent souvent pas les caract\u00e9ristiques de croissance souhait\u00e9es.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La lumi\u00e8re rouge lointaine, \u00e9galement appel\u00e9e lumi\u00e8re FR, est une bande d'ondes situ\u00e9e \u00e0 l'extr\u00e9mit\u00e9 du spectre de la lumi\u00e8re visible, avec des longueurs d'onde comprises entre 700 et 780 nanom\u00e8tres (nm).<\/p>","protected":false},"author":4,"featured_media":12866,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"PAR\", \"idxall\": 0, \"keywordtitlesimi\": 0.9202651977539062, \"keywordslugsimi\": 0.9202651977539062, \"paratitlesimi\": 0.5103363990783691, \"paraslugsimi\": 0.5103363990783691, \"slug\": \"what-is-par\", \"title\": \"What is PAR\", \"id\": 13896}, {\"keyword\": \"PAR\", \"idxall\": 0, \"keywordtitlesimi\": 0.8102813363075256, \"keywordslugsimi\": 0.8102813363075256, \"paratitlesimi\": 0.665019690990448, \"paraslugsimi\": 0.665019690990448, \"slug\": \"what-is-par-light\", \"title\": \"What is Par Light\", \"id\": 13866}, {\"keyword\": \"PAR\", \"idxall\": 0, \"keywordtitlesimi\": 0.7947788238525391, \"keywordslugsimi\": 0.7947788238525391, \"paratitlesimi\": 0.6019479036331177, \"paraslugsimi\": 0.6019479036331177, \"slug\": \"what-is-par-bulb\", \"title\": \"What is PAR Bulb\", \"id\": 13921}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Far Red Light","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-13809","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - 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