{"id":1972,"date":"2022-11-21T13:10:43","date_gmt":"2022-11-21T12:10:43","guid":{"rendered":"https:\/\/fytofend.com\/cos-oga\/"},"modified":"2026-07-13T17:26:36","modified_gmt":"2026-07-13T15:26:36","slug":"cos-oga","status":"publish","type":"page","link":"https:\/\/fytofend.com\/fr\/cos-oga\/","title":{"rendered":"COS-OGA"},"content":{"rendered":"<div class=\"wp-block-paragraph\">\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n<\/div>\n\n\n<!-- ===================================================================\n     FYTOFEND \u2014 Page \"COS-OGA\" \u2014 FR\n     \u00c0 coller dans UN SEUL bloc \"HTML personnalis\u00e9\" (Custom HTML) du\n     duplicata WPML correspondant \u00e0 https:\/\/fytofend.com\/fr\/cos-oga\/\n     Ne pas couper ce code en plusieurs blocs.\n\n     \u26a0\ufe0f Avant publication :\n     - SEO : reporter dans Yoast\/RankMath \u2014\n       Title: COS-OGA : l'\u00e9liciteur naturel de biocontr\u00f4le contre l'o\u00efdium et le mildiou | Fytofend\n       Meta description: Le COS-OGA est l'\u00e9liciteur oligosaccharidique brevet\u00e9 de\n       Fytofend qui active la R\u00e9sistance Syst\u00e9mique Acquise (SAR) des plantes contre\n       l'o\u00efdium et le mildiou. D\u00e9couvrez la science derri\u00e8re Fytosave.\n       Canonical: https:\/\/fytofend.com\/fr\/cos-oga\/\n     - URLs FR non confirm\u00e9es, \u00e0 v\u00e9rifier avant publication (j'ai appliqu\u00e9 le\n       pr\u00e9fixe \/fr\/ par coh\u00e9rence avec les pages d\u00e9j\u00e0 confirm\u00e9es) :\n       accueil (https:\/\/fytofend.com\/fr\/), page soci\u00e9t\u00e9\n       (\/fr\/company-fytofend-biosolutions\/), FAQ (\/fr\/faq\/), contact (\/fr\/contact\/).\n       Les URLs produits (\/fr\/produits\/...) sont d\u00e9j\u00e0 confirm\u00e9es.\n=================================================================== -->\n<style>\n  :root {\n    --green-fytofend: #1E6E2F;\n    --green-fytofend-deep: #183F2B;\n    --green-fytosave: #17B426;\n    --neutral-0: #FFFFFF;\n    --neutral-100: #EEF0EC;\n    --neutral-200: #DDE1D8;\n    --neutral-300: #C2C8BB;\n    --neutral-900: #171912;\n    --slate: #4A4A4A;\n    --font-display: 'Poppins', 'Segoe UI', sans-serif;\n    --font-body: 'Inter', 'Segoe UI', sans-serif;\n    --container-max: 1200px;\n    --radius-md: 10px;\n    --radius-pill: 999px;\n    --shadow-sm: 0 1px 2px rgba(23, 25, 18, 0.06);\n    --shadow-md: 0 4px 16px rgba(23, 25, 18, 0.08);\n  }\n  .ff-cosoga * { box-sizing: border-box; }\n  .ff-cosoga { font-family: var(--font-body); background: var(--neutral-0); color: var(--neutral-900); }\n  .ff-cosoga a { color: var(--green-fytofend); text-decoration: none; }\n  .ff-cosoga a:hover { color: var(--green-fytosave); }\n\n  \/* Reading progress *\/\n  .ff-cosoga-progress { position: sticky; top: 0; height: 3px; background: var(--neutral-200); z-index: 20; }\n  .ff-cosoga-progress-bar { height: 100%; width: 0%; background: var(--green-fytosave); transition: width 80ms linear; }\n\n  \/* ---------- Hero: editorial, asymmetric ---------- *\/\n  .ff-cosoga-hero {\n    position: relative;\n    background: var(--green-fytofend-deep);\n    overflow: hidden;\n    padding: 96px 48px 0;\n  }\n  .ff-cosoga-hero-bg {\n    position: absolute;\n    inset: 0;\n    width: 100%;\n    height: 100%;\n    object-fit: cover;\n    opacity: 0.32;\n    z-index: 0;\n  }\n  .ff-cosoga-hero-scrim {\n    position: absolute;\n    inset: 0;\n    background: linear-gradient(180deg, rgba(24,63,43,0.85) 0%, rgba(24,63,43,0.97) 100%);\n    pointer-events: none;\n    z-index: 2;\n  }\n  .ff-cosoga-hero::before {\n    content: '';\n    position: absolute;\n    inset: 0;\n    background:\n      radial-gradient(ellipse 900px 500px at 85% 0%, rgba(23,180,38,0.16), transparent 60%);\n    pointer-events: none;\n    z-index: 1;\n  }\n  .ff-cosoga-hero-inner {\n    position: relative;\n    z-index: 4;\n    max-width: var(--container-max);\n    margin: 0 auto;\n    display: grid;\n    grid-template-columns: 1.3fr 0.7fr;\n    gap: 56px;\n    align-items: end;\n  }\n  .ff-cosoga-breadcrumb {\n    font: 500 13px\/1.4 var(--font-body);\n    color: rgba(255,255,255,0.6);\n    display: flex; align-items: center; gap: 8px;\n    margin: 0 0 40px;\n  }\n  .ff-cosoga-breadcrumb a { color: rgba(255,255,255,0.6); }\n  .ff-cosoga-breadcrumb a:hover { color: #fff; }\n  .ff-cosoga-hero-num {\n    font: 800 15vw\/0.8 var(--font-display);\n    color: rgba(255,255,255,0.05);\n    position: absolute;\n    z-index: 3;\n    right: -4px;\n    top: 24px;\n    letter-spacing: -0.04em;\n    pointer-events: none;\n    user-select: none;\n  }\n  .ff-cosoga-eyebrow {\n    display: flex; align-items: center; gap: 10px;\n    font: 600 12px\/1.2 var(--font-body);\n    letter-spacing: 0.14em;\n    text-transform: uppercase;\n    color: var(--green-fytosave);\n    margin: 0 0 22px;\n  }\n  .ff-cosoga-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--green-fytosave); }\n  .ff-cosoga-hero-inner h1 {\n    font: 700 clamp(34px, 4.4vw, 54px)\/1.08 var(--font-display);\n    letter-spacing: -0.02em;\n    color: #fff;\n    margin: 0 0 24px;\n  }\n  .ff-cosoga-hero-inner h1 em { color: var(--green-fytosave); font-style: normal; }\n  .ff-cosoga-hero-lede {\n    font: 400 19px\/1.6 var(--font-body);\n    color: rgba(255,255,255,0.72);\n    max-width: 540px;\n    margin: 0 0 48px;\n  }\n  .ff-cosoga-hero-meta {\n    padding-bottom: 48px;\n    display: flex;\n    flex-direction: column;\n    gap: 26px;\n    border-left: 1px solid rgba(255,255,255,0.14);\n    padding-left: 40px;\n  }\n  .ff-cosoga-hero-meta dt {\n    font: 600 11px\/1.2 var(--font-body);\n    letter-spacing: 0.1em;\n    text-transform: uppercase;\n    color: rgba(255,255,255,0.45);\n    margin: 0 0 6px;\n  }\n  .ff-cosoga-hero-meta dd {\n    font: 600 16px\/1.3 var(--font-display);\n    color: #fff;\n    margin: 0;\n  }\n  @media (max-width: 900px) {\n    .ff-cosoga-hero-inner { grid-template-columns: 1fr; }\n    .ff-cosoga-hero-meta { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.14); padding-top: 24px; flex-direction: row; flex-wrap: wrap; }\n  }\n\n  \/* ---------- Layout: single-column article ---------- *\/\n  .ff-cosoga-layout {\n    max-width: 760px;\n    margin: 0 auto;\n    padding: 96px 48px 0;\n  }\n  .ff-cosoga-main p {\n    font: 400 18px\/1.8 var(--font-body);\n    color: var(--slate);\n    margin: 0 0 26px;\n  }\n  .ff-cosoga-main p strong { color: var(--neutral-900); font-weight: 600; }\n  .ff-cosoga-section-head {\n    display: flex;\n    align-items: baseline;\n    gap: 18px;\n    margin: 64px 0 28px;\n    scroll-margin-top: 24px;\n  }\n  .ff-cosoga-section-head:first-child { margin-top: 0; }\n  .ff-cosoga-section-num {\n    font: 700 15px\/1 var(--font-display);\n    color: var(--green-fytosave);\n    letter-spacing: 0.02em;\n  }\n  .ff-cosoga-section-head h2 {\n    font: 600 30px\/1.22 var(--font-display);\n    letter-spacing: -0.01em;\n    color: var(--neutral-900);\n    margin: 0;\n  }\n  .ff-cosoga-main h3 {\n    font: 600 21px\/1.32 var(--font-display);\n    color: var(--neutral-900);\n    margin: 44px 0 16px;\n    scroll-margin-top: 24px;\n  }\n\n  .ff-cosoga-quote {\n    position: relative;\n    margin: 48px 0;\n    padding: 0 0 0 28px;\n    border-left: 3px solid var(--green-fytosave);\n    font: 500 25px\/1.48 var(--font-display);\n    letter-spacing: -0.005em;\n    color: var(--neutral-900);\n  }\n  .ff-cosoga-quote span {\n    display: block;\n    margin-top: 14px;\n    font: 500 13px\/1.4 var(--font-body);\n    letter-spacing: 0.04em;\n    text-transform: uppercase;\n    color: var(--slate);\n  }\n\n  .ff-cosoga-figure { margin: 40px 0; }\n  .ff-cosoga-figure img { width: 100%; height: auto; display: block; border-radius: var(--radius-md); }\n  .ff-cosoga-figure figcaption { font: 400 13px\/1.4 var(--font-body); color: var(--slate); margin-top: 10px; }\n\n  \/* ---------- Illustration placeholders ---------- *\/\n  .ff-cosoga-img-placeholder {\n    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; text-align: center;\n    background: var(--neutral-100); border: 1.5px dashed var(--neutral-300, #C2C8BB); border-radius: var(--radius-md); color: var(--slate);\n  }\n  .ff-cosoga-img-placeholder .ff-ph-icon { font-size: 22px; line-height: 1; opacity: 0.6; }\n  .ff-cosoga-img-placeholder .ff-ph-label { font: 600 11px\/1.3 var(--font-body); letter-spacing: 0.02em; padding: 0 8px; }\n  .ff-cosoga-leadership-photo { aspect-ratio: 4\/3; width: 100%; margin-top: 24px; }\n\n  \/* ---------- Mechanism breakout ---------- *\/\n  .ff-cosoga-mechanism { margin: 96px 0 0; background: var(--green-fytofend-deep); }\n  .ff-cosoga-mechanism-inner {\n    max-width: var(--container-max); margin: 0 auto; padding: 88px 48px;\n    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center;\n  }\n  .ff-cosoga-mechanism-diagram { background: #fff; border-radius: var(--radius-md); padding: 16px; box-shadow: var(--shadow-md); transition: transform 300ms ease; }\n  .ff-cosoga-mechanism-diagram:hover { transform: translateY(-4px); }\n  .ff-cosoga-mechanism-diagram img { width: 100%; height: auto; display: block; }\n  .ff-cosoga-mechanism-text span {\n    font: 600 12px\/1.2 var(--font-body); letter-spacing: 0.12em; text-transform: uppercase; color: var(--green-fytosave);\n  }\n  .ff-cosoga-mechanism-text h3 { font: 600 28px\/1.28 var(--font-display); letter-spacing: -0.01em; color: #fff; margin: 14px 0 18px; }\n  .ff-cosoga-mechanism-text p { font: 400 16px\/1.68 var(--font-body); color: rgba(255,255,255,0.78); margin: 0 0 26px; }\n  .ff-cosoga-video { position: relative; aspect-ratio: 16\/9; border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-md); }\n  .ff-cosoga-video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }\n  .ff-cosoga-video-play { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; padding: 0; cursor: pointer; background: #000; }\n  .ff-cosoga-video-play img { width: 100%; height: 100%; object-fit: cover; display: block; opacity: 0.85; }\n  .ff-cosoga-video-play-icon {\n    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);\n    width: 64px; height: 64px; border-radius: 50%; background: var(--green-fytosave);\n    display: flex; align-items: center; justify-content: center; transition: transform 150ms ease, background 150ms ease;\n  }\n  .ff-cosoga-video-play-icon::before { content: ''; border-style: solid; border-width: 11px 0 11px 18px; border-color: transparent transparent transparent #fff; margin-left: 4px; }\n  .ff-cosoga-video-play:hover .ff-cosoga-video-play-icon { transform: translate(-50%, -50%) scale(1.08); background: #12931f; }\n  .ff-cosoga-video-caption { font: 400 13px\/1.4 var(--font-body); color: rgba(255,255,255,0.6); margin-top: 12px; }\n  @media (max-width: 900px) { .ff-cosoga-mechanism-inner { grid-template-columns: 1fr; } }\n\n  \/* ---------- Benefits: editorial numbered list, not cards ---------- *\/\n  .ff-cosoga-benefits-wrap { max-width: 900px; margin: 0 auto; padding: 96px 48px 0; }\n  .ff-cosoga-benefits-head { text-align: center; margin: 0 0 56px; }\n  .ff-cosoga-benefits-head span {\n    font: 600 12px\/1.2 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-fytosave);\n  }\n  .ff-cosoga-benefits-head h2 { font: 600 32px\/1.2 var(--font-display); letter-spacing: -0.01em; color: var(--neutral-900); margin: 14px 0 0; }\n  .ff-cosoga-benefits { display: flex; flex-direction: column; }\n  .ff-cosoga-benefit {\n    display: grid; grid-template-columns: 64px 1fr; gap: 28px; align-items: start;\n    padding: 32px 0; border-top: 1px solid var(--neutral-200);\n    transition: padding-left 220ms ease;\n  }\n  .ff-cosoga-benefit:last-child { border-bottom: 1px solid var(--neutral-200); }\n  .ff-cosoga-benefit:hover { padding-left: 12px; }\n  .ff-cosoga-benefit-num {\n    font: 700 34px\/1 var(--font-display); color: var(--neutral-200); letter-spacing: -0.02em;\n    transition: color 220ms ease;\n  }\n  .ff-cosoga-benefit:hover .ff-cosoga-benefit-num { color: var(--green-fytosave); }\n  .ff-cosoga-benefit h4 { font: 600 18px\/1.35 var(--font-display); color: var(--neutral-900); margin: 0 0 8px; }\n  .ff-cosoga-benefit p { font: 400 15.5px\/1.65 var(--font-body); color: var(--slate); margin: 0; }\n\n  \/* Inline mid-page CTA *\/\n  .ff-cosoga-cta-inline { max-width: 900px; margin: 40px auto 0; padding: 0 48px; text-align: center; }\n  .ff-cosoga-cta-inline p {\n    display: inline-block; font: 500 15px\/1.5 var(--font-body); color: var(--neutral-900);\n    background: var(--neutral-100); border: 1px solid var(--neutral-200); border-radius: var(--radius-pill); padding: 12px 22px; margin: 0;\n  }\n  .ff-cosoga-cta-inline a { font-weight: 600; }\n\n  \/* ---------- Related (internal linking) ---------- *\/\n  .ff-cosoga-related { max-width: var(--container-max); margin: 96px auto 0; padding: 0 48px; }\n  .ff-cosoga-related-head { margin: 0 0 28px; }\n  .ff-cosoga-related-head span {\n    font: 600 12px\/1.2 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-fytosave);\n  }\n  .ff-cosoga-related-head h2 { font: 600 26px\/1.25 var(--font-display); color: var(--neutral-900); margin: 12px 0 0; }\n  .ff-cosoga-related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }\n  .ff-cosoga-related-card {\n    display: block; position: relative; padding: 32px; border-radius: var(--radius-md);\n    background: var(--neutral-100); border: 1px solid var(--neutral-200);\n    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;\n  }\n  .ff-cosoga-related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--green-fytofend); }\n  .ff-cosoga-related-card span.tag {\n    font: 600 11px\/1.2 var(--font-body); letter-spacing: 0.1em; text-transform: uppercase; color: var(--green-fytofend);\n  }\n  .ff-cosoga-related-card h3 { font: 600 22px\/1.3 var(--font-display); color: var(--neutral-900); margin: 12px 0 10px; }\n  .ff-cosoga-related-card p { font: 400 15px\/1.6 var(--font-body); color: var(--slate); margin: 0 0 18px; }\n  .ff-cosoga-related-card .arrow { font: 600 14px\/1 var(--font-body); color: var(--green-fytofend); }\n  @media (max-width: 700px) { .ff-cosoga-related-grid { grid-template-columns: 1fr; } }\n\n  \/* ---------- CTA ---------- *\/\n  .ff-cosoga-cta { position: relative; margin: 96px auto 0; max-width: var(--container-max); padding: 0 48px; }\n  .ff-cosoga-cta-inner { position: relative; border-radius: var(--radius-md); overflow: hidden; background: var(--green-fytofend-deep); padding: 72px 48px; text-align: center; }\n  .ff-cosoga-cta-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }\n  .ff-cosoga-cta-scrim { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(24,63,43,0.85) 0%, rgba(24,63,43,0.97) 100%); }\n  .ff-cosoga-cta-content { position: relative; }\n  .ff-cosoga-cta-content h3 { font: 600 28px\/1.3 var(--font-display); letter-spacing: -0.01em; color: #fff; margin: 0 0 16px; }\n  .ff-cosoga-cta-content p { font: 400 17px\/1.6 var(--font-body); color: rgba(255,255,255,0.9); max-width: 560px; margin: 0 auto 30px; }\n  .ff-btn-primary {\n    display: inline-flex; align-items: center; gap: 8px; padding: 14px 28px;\n    font: 600 15px\/1.2 var(--font-body); border-radius: var(--radius-pill);\n    background: var(--green-fytosave); color: #fff !important; border: 1px solid var(--green-fytosave);\n    cursor: pointer; transition: background 150ms ease, transform 150ms ease;\n  }\n  .ff-btn-primary:hover { background: #12931f; color: #fff !important; transform: translateY(-2px); }\n\n  \/* ---------- FAQ ---------- *\/\n  .ff-cosoga-faq { max-width: 780px; margin: 96px auto 0; padding: 0 48px; }\n  .ff-cosoga-faq-head { text-align: center; margin: 0 0 40px; }\n  .ff-cosoga-faq-head span { font: 600 12px\/1.2 var(--font-body); letter-spacing: 0.14em; text-transform: uppercase; color: var(--green-fytosave); }\n  .ff-cosoga-faq-head h2 { font: 600 28px\/1.3 var(--font-display); color: var(--neutral-900); margin: 12px 0 0; }\n  .ff-cosoga-faq-item { border-bottom: 1px solid var(--neutral-200); }\n  .ff-cosoga-faq-item summary {\n    list-style: none; cursor: pointer; padding: 22px 0; font: 600 17px\/1.4 var(--font-body); color: var(--neutral-900);\n    display: flex; justify-content: space-between; align-items: center; gap: 16px;\n  }\n  .ff-cosoga-faq-item summary::-webkit-details-marker { display: none; }\n  .ff-cosoga-faq-item summary::after { content: '+'; font: 400 24px\/1 var(--font-display); color: var(--green-fytofend); flex-shrink: 0; }\n  .ff-cosoga-faq-item[open] summary::after { content: '\u2212'; }\n  .ff-cosoga-faq-item p { font: 400 15.5px\/1.7 var(--font-body); color: var(--slate); margin: 0 0 22px; }\n  .ff-cosoga-faq-more { text-align: center; margin: 32px 0 120px; }\n  .ff-cosoga-faq-more p { font: 400 15px\/1.6 var(--font-body); color: var(--slate); margin: 0; }\n\n  \/* ---------- Motion ---------- *\/\n  @keyframes ff-cosoga-fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }\n  .ff-cosoga-hero-inner .ff-cosoga-breadcrumb,\n  .ff-cosoga-hero-inner .ff-cosoga-eyebrow,\n  .ff-cosoga-hero-inner h1,\n  .ff-cosoga-hero-inner .ff-cosoga-hero-lede,\n  .ff-cosoga-hero-meta { opacity: 0; animation: ff-cosoga-fade-up 700ms cubic-bezier(0.16,1,0.3,1) forwards; }\n  .ff-cosoga-hero-inner .ff-cosoga-breadcrumb { animation-delay: 40ms; }\n  .ff-cosoga-hero-inner .ff-cosoga-eyebrow { animation-delay: 130ms; }\n  .ff-cosoga-hero-inner h1 { animation-delay: 220ms; }\n  .ff-cosoga-hero-inner .ff-cosoga-hero-lede { animation-delay: 320ms; }\n  .ff-cosoga-hero-meta { animation-delay: 420ms; }\n\n  \/* Visible by default \u2014 content must not depend on JS to be readable.\n     Only hidden pre-reveal state if JS actually runs (adds .js-ff-reveal\n     on <html>); if the WordPress paste strips <script>, everything just\n     shows immediately with no animation instead of staying invisible. *\/\n  .ff-reveal { transition: opacity 550ms cubic-bezier(0.16,1,0.3,1), transform 550ms cubic-bezier(0.16,1,0.3,1); }\n  .js-ff-reveal .ff-reveal { opacity: 0; transform: translateY(24px); }\n  .js-ff-reveal .ff-reveal.ff-in-view { opacity: 1; transform: translateY(0); }\n\n  @media (prefers-reduced-motion: reduce) {\n    .ff-cosoga-hero-inner *, .ff-reveal { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }\n  }\n<\/style>\n\n<div class=\"ff-cosoga\" id=\"ff-cosoga-root\">\n  <div class=\"ff-cosoga-progress\"><div class=\"ff-cosoga-progress-bar\" id=\"ff-cosoga-progress-bar\"><\/div><\/div>\n\n  <section class=\"ff-cosoga-hero\">\n    <img decoding=\"async\" class=\"ff-cosoga-hero-bg\" src=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png\" alt=\"\">\n    <div class=\"ff-cosoga-hero-scrim\"><\/div>\n    <span class=\"ff-cosoga-hero-num\" aria-hidden=\"true\">02<\/span>\n    <div class=\"ff-cosoga-hero-inner\">\n      <div>\n        <nav class=\"ff-cosoga-breadcrumb\" aria-label=\"Fil d'Ariane\"><a href=\"https:\/\/fytofend.com\/fr\/\">Accueil<\/a><span>\/<\/span><span>COS-OGA<\/span><\/nav>\n        <span class=\"ff-cosoga-eyebrow\">Recherche en biocontr\u00f4le<\/span>\n        <h1>Faire progresser le biocontr\u00f4le gr\u00e2ce \u00e0 la technologie <em>COS-OGA<\/em><\/h1>\n        <p class=\"ff-cosoga-hero-lede\">Un \u00e9liciteur oligosaccharidique brevet\u00e9 qui active les d\u00e9fenses naturelles des plantes contre l'o\u00efdium et le mildiou \u2014 la science derri\u00e8re Fytosave.<\/p>\n      <\/div>\n      <dl class=\"ff-cosoga-hero-meta\">\n        <div><dt>Fond\u00e9e<\/dt><dd>2009<\/dd><\/div>\n        <div><dt>Statut UE<\/dt><dd>Substance \u00e0 faible risque<\/dd><\/div>\n        <div><dt>R\u00e9sidus<\/dt><dd>Z\u00e9ro LMR<\/dd><\/div>\n      <\/dl>\n    <\/div>\n  <\/section>\n\n  <div class=\"ff-cosoga-layout\">\n    <main class=\"ff-cosoga-main\">\n      <p>Fytofend est \u00e0 la pointe de l'innovation en biocontr\u00f4le, menant des recherches pionni\u00e8res sur le <strong>COS-OGA<\/strong>, un \u00e9liciteur brevet\u00e9 qui renforce l'immunit\u00e9 des plantes contre les maladies fongiques comme l'o\u00efdium et le mildiou. En s'appuyant sur les derni\u00e8res avanc\u00e9es de la science v\u00e9g\u00e9tale, <a href=\"https:\/\/fytofend.com\/fr\/entreprise\/\">Fytofend<\/a> am\u00e9liore continuellement l'efficacit\u00e9 de ses solutions de biocontr\u00f4le, offrant aux agriculteurs des alternatives durables et performantes aux traitements chimiques. Cette approche soutient une transition vers des alternatives fongicides biologiques, r\u00e9duisant la d\u00e9pendance aux pesticides de synth\u00e8se tout en maintenant une sant\u00e9 optimale des cultures.<\/p>\n\n      <p>Fond\u00e9e en 2009 par <a href=\"https:\/\/www.linkedin.com\/in\/pierre-van-cutsem-a399b16a\/\" target=\"_blank\" rel=\"noopener\">Pierre Van Cutsem<\/a> et <a href=\"https:\/\/www.linkedin.com\/in\/buonatesta-raffael-1071b863\/\" target=\"_blank\" rel=\"noopener\">Raffael Buonatesta<\/a>, Fytofend a d\u00e9velopp\u00e9 et perfectionn\u00e9 des solutions \u00e0 base de COS-OGA pour r\u00e9pondre \u00e0 la demande croissante de m\u00e9thodes naturelles de lutte contre les maladies. L'entreprise ne se contente pas de produire le <strong>COS-OGA<\/strong>, un inducteur de d\u00e9fense v\u00e9g\u00e9tale de premier plan \u2014 elle joue aussi un r\u00f4le cl\u00e9 dans la recherche de ses applications \u00e9largies \u00e0 diff\u00e9rents syst\u00e8mes agricoles.<\/p>\n\n      <p>Gr\u00e2ce \u00e0 des ann\u00e9es d'essais scientifiques rigoureux et de partenariats avec des institutions agronomiques, Fytofend a consolid\u00e9 sa r\u00e9putation d'acteur cl\u00e9 dans le domaine de la protection biologique des plantes.<\/p>\n\n      <p>Fytosave, qui fait partie de la gamme plus large de biosolutions de Fytofend, est l'une des applications les plus r\u00e9ussies du <strong>COS-OGA<\/strong>, con\u00e7ue pour offrir une alternative efficace et durable aux fongicides de synth\u00e8se. <a href=\"https:\/\/fytofend.com\/fr\/produits\/fytosave\/\">Fytosave<\/a> est largement utilis\u00e9 en viticulture et en horticulture, d\u00e9montrant une forte efficacit\u00e9 contre l'o\u00efdium et le mildiou tout en \u00e9tant pleinement conforme aux normes de l'agriculture biologique. En tant qu'inducteur de d\u00e9fense v\u00e9g\u00e9tale, Fytosave renforce la r\u00e9silience naturelle des cultures tout en garantissant z\u00e9ro r\u00e9sidu et une pleine conformit\u00e9 r\u00e9glementaire, au sein de la <a href=\"https:\/\/fytofend.com\/fr\/produits\/nos-biosolutions\/\">gamme de biosolutions<\/a> de Fytofend.<\/p>\n\n      <p>En int\u00e9grant la technologie <strong>COS-OGA<\/strong> \u00e0 l'agriculture commerciale, Fytofend garantit aux producteurs une solution de biocontr\u00f4le \u00e9prouv\u00e9e et sans r\u00e9sidu, conforme aux principes de la lutte int\u00e9gr\u00e9e (IPM). Ses innovations continuent d'ouvrir la voie \u00e0 un avenir plus durable pour l'agriculture, en aidant les agriculteurs \u00e0 r\u00e9duire leur d\u00e9pendance aux pesticides chimiques tout en maintenant une productivit\u00e9 et une qualit\u00e9 de r\u00e9colte \u00e9lev\u00e9es.<\/p>\n\n      <div class=\"ff-cosoga-section-head\" id=\"what-is-cos-oga-head\"><span class=\"ff-cosoga-section-num\">01<\/span><h2 id=\"what-is-cos-oga\">Qu'est-ce que le COS-OGA ? Une avanc\u00e9e pour le biocontr\u00f4le<\/h2><\/div>\n\n      <p>Le <strong>COS-OGA<\/strong> est un \u00e9liciteur unique \u00e0 base d'oligosaccharides, compos\u00e9 d'oligom\u00e8res de chitosane (COS) et d'oligogalacturonides (OGA). Cette mol\u00e9cule innovante a \u00e9t\u00e9 d\u00e9velopp\u00e9e et brevet\u00e9e par le professeur Pierre Van Cutsem \u00e0 l'<a href=\"https:\/\/researchportal.unamur.be\/fr\/publications\/cos-oga-a-new-oligosaccharidic-elicitor-that-induces-protection-a\" target=\"_blank\" rel=\"noopener\">Universit\u00e9 de Namur<\/a>, et Fytofend en d\u00e9tient les droits exclusifs de commercialisation dans le domaine de la protection des cultures.<\/p>\n\n      <p>Ce qui distingue le <strong>COS-OGA<\/strong> des autres inducteurs de d\u00e9fense v\u00e9g\u00e9tale, c'est son m\u00e9canisme \u00e0 double action : il renforce non seulement le syst\u00e8me immunitaire de la plante, mais am\u00e9liore aussi ses fonctions physiologiques, comme l'absorption des nutriments, la tol\u00e9rance au stress et la vigueur g\u00e9n\u00e9rale. De nombreuses recherches ont d\u00e9montr\u00e9 que cet \u00e9liciteur active des voies de d\u00e9fense cl\u00e9s, entra\u00eenant une production accrue de m\u00e9tabolites secondaires, de compos\u00e9s antimicrobiens et de renforts structurels, comme la lignification de la paroi cellulaire.<\/p>\n\n      <figure class=\"ff-cosoga-figure ff-reveal\">\n        <img decoding=\"async\" src=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/1.png\" alt=\"Chercheur Fytofend inspectant des plants de pommes de terre trait\u00e9s pour tester leur r\u00e9sistance aux maladies\" loading=\"lazy\">\n        <figcaption>Les chercheurs de Fytofend \u00e9valuent la r\u00e9silience des plantes en conditions r\u00e9elles de culture.<\/figcaption>\n      <\/figure>\n\n      <p>La validation scientifique du <strong>COS-OGA<\/strong> a conduit \u00e0 son int\u00e9gration dans divers syst\u00e8mes agricoles \u00e0 travers le monde. Il a \u00e9t\u00e9 test\u00e9 et son efficacit\u00e9 prouv\u00e9e sur une large gamme de cultures, de climats et de pressions pathog\u00e8nes, en faisant une solution fiable aussi bien pour l'agriculture conventionnelle que biologique. Les chercheurs continuent d'explorer ses applications potentielles en horticulture, viticulture et production c\u00e9r\u00e9ali\u00e8re, avec des r\u00e9sultats prometteurs indiquant une protection \u00e9largie contre les maladies fongiques et bact\u00e9riennes au-del\u00e0 de l'o\u00efdium et du mildiou.<\/p>\n\n      <p>Le principal produit \u00e0 base de COS-OGA d\u00e9velopp\u00e9 par Fytofend est <strong>Fytosave<\/strong>, une solution de biocontr\u00f4le sans r\u00e9sidu qui g\u00e8re efficacement l'o\u00efdium et am\u00e9liore la sant\u00e9 globale des plantes. Utilis\u00e9 dans les vignobles, les cultures mara\u00eech\u00e8res et la production fruiti\u00e8re, Fytosave est un outil cl\u00e9 de l'agriculture durable moderne.<\/p>\n\n      <p>Fytofend reste engag\u00e9e \u00e0 optimiser la formulation et l'efficacit\u00e9 au champ du <strong>COS-OGA<\/strong>, garantissant aux agriculteurs et distributeurs un produit stable, facile \u00e0 utiliser, efficace et durable. Gr\u00e2ce \u00e0 un investissement continu dans la recherche et l'innovation, le COS-OGA s'impose comme un pilier de la protection des plantes de nouvelle g\u00e9n\u00e9ration, r\u00e9duisant la d\u00e9pendance aux fongicides chimiques tout en assurant des rendements agricoles \u00e9lev\u00e9s.<\/p>\n\n      <div class=\"ff-cosoga-section-head\" id=\"how-it-works-head\"><span class=\"ff-cosoga-section-num\">02<\/span><h2 id=\"how-it-works\">Comment fonctionne le COS-OGA ?<\/h2><\/div>\n    <\/main>\n  <\/div>\n\n  <section class=\"ff-cosoga-mechanism ff-reveal\">\n    <div class=\"ff-cosoga-mechanism-inner\">\n      <div class=\"ff-cosoga-mechanism-diagram\">\n        <img decoding=\"async\" src=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/3.png\" alt=\"Sch\u00e9ma du m\u00e9canisme d'\u00e9licitation du COS-OGA et de la voie de R\u00e9sistance Syst\u00e9mique Acquise (SAR)\">\n      <\/div>\n      <div class=\"ff-cosoga-mechanism-text\">\n        <span>Mode d'action<\/span>\n        <h3>De l'\u00e9liciteur \u00e0 la r\u00e9ponse immunitaire<\/h3>\n        <p>Le COS-OGA est per\u00e7u \u00e0 la surface des cellules v\u00e9g\u00e9tales, d\u00e9clenchant une cascade de signalisation qui active la <strong>R\u00e9sistance Syst\u00e9mique Acquise (SAR)<\/strong> \u2014 renfor\u00e7ant les parois cellulaires et pr\u00e9parant les d\u00e9fenses antimicrobiennes avant m\u00eame l'installation des pathog\u00e8nes.<\/p>\n        <div class=\"ff-cosoga-video\" id=\"ff-cosoga-video-facade\" data-video-id=\"VH1UEDIz46o\">\n          <button type=\"button\" class=\"ff-cosoga-video-play\" aria-label=\"Lire la vid\u00e9o : Comment fonctionne le COS-OGA\">\n            <img decoding=\"async\" src=\"https:\/\/i.ytimg.com\/vi\/VH1UEDIz46o\/hqdefault.jpg\" alt=\"\" loading=\"lazy\">\n            <span class=\"ff-cosoga-video-play-icon\" aria-hidden=\"true\"><\/span>\n          <\/button>\n        <\/div>\n        <p class=\"ff-cosoga-video-caption\">\u00c0 regarder : comment le COS-OGA active l'immunit\u00e9 des plantes.<\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"ff-cosoga-layout\">\n    <main class=\"ff-cosoga-main\">\n      <blockquote class=\"ff-cosoga-quote ff-reveal\">\n        \"Le COS-OGA ne tue pas directement les pathog\u00e8nes \u2014 il stimule le syst\u00e8me immunitaire inn\u00e9 de la plante elle-m\u00eame.\"\n        <span>Voie de la R\u00e9sistance Syst\u00e9mique Acquise (SAR)<\/span>\n      <\/blockquote>\n\n      <p>Contrairement aux fongicides traditionnels, le <strong>COS-OGA<\/strong> ne tue pas directement les pathog\u00e8nes. Il stimule plut\u00f4t le syst\u00e8me immunitaire inn\u00e9 de la plante, en d\u00e9clenchant principalement la voie de la <strong>R\u00e9sistance Syst\u00e9mique Acquise (SAR)<\/strong>. Cette r\u00e9ponse renforce les parois cellulaires, augmente la production de compos\u00e9s antimicrobiens et am\u00e9liore la r\u00e9silience globale des cultures face aux infections fongiques.<\/p>\n\n      <p>La substance active <strong>COS-OGA<\/strong> pr\u00e9sente dans <strong>Fytosave<\/strong> am\u00e9liore la sant\u00e9 des plantes en renfor\u00e7ant leurs d\u00e9fenses naturelles tout en emp\u00eachant la propagation des maladies. En tant que solution de biocontr\u00f4le appliqu\u00e9e par voie foliaire, Fytosave garantit une haute performance dans les conditions r\u00e9elles de culture, ce qui en fait un choix privil\u00e9gi\u00e9 aussi bien par les producteurs biologiques que conventionnels.<\/p>\n\n      <p>Pour en savoir plus sur le COS-OGA, n'h\u00e9sitez pas \u00e0 consulter notre <a href=\"https:\/\/fytofend.com\/fr\/faq\/\">page FAQ<\/a> !<\/p>\n    <\/main>\n  <\/div>\n\n  <div class=\"ff-cosoga-benefits-wrap\">\n    <div class=\"ff-cosoga-benefits-head\" id=\"why-choose\">\n      <span>Pourquoi Fytofend<\/span>\n      <h2>Six raisons pour lesquelles les producteurs choisissent le COS-OGA<\/h2>\n    <\/div>\n    <div class=\"ff-cosoga-benefits\">\n      <div class=\"ff-cosoga-benefit ff-reveal\">\n        <span class=\"ff-cosoga-benefit-num\">01<\/span>\n        <div><h4>Efficacit\u00e9 prouv\u00e9e<\/h4><p>Des essais au champ confirment l'efficacit\u00e9 du COS-OGA contre l'o\u00efdium et certains mildious sur de multiples cultures, dont la vigne, les l\u00e9gumes et les fruits.<\/p><\/div>\n      <\/div>\n      <div class=\"ff-cosoga-benefit ff-reveal\" style=\"transition-delay:60ms\">\n        <span class=\"ff-cosoga-benefit-num\">02<\/span>\n        <div><h4>100 % naturel et sans r\u00e9sidu<\/h4><p>Conforme \u00e0 la r\u00e9glementation de l'agriculture biologique, sans aucun r\u00e9sidu chimique (z\u00e9ro LMR).<\/p><\/div>\n      <\/div>\n      <div class=\"ff-cosoga-benefit ff-reveal\" style=\"transition-delay:120ms\">\n        <span class=\"ff-cosoga-benefit-num\">03<\/span>\n        <div><h4>Gestion des r\u00e9sistances<\/h4><p>Contrairement aux fongicides de synth\u00e8se, le COS-OGA n'est pas concern\u00e9 par le d\u00e9veloppement de r\u00e9sistances, ce qui en fait une solution durable sur le long terme.<\/p><\/div>\n      <\/div>\n      <div class=\"ff-cosoga-benefit ff-reveal\" style=\"transition-delay:180ms\">\n        <span class=\"ff-cosoga-benefit-num\">04<\/span>\n        <div><h4>S\u00fbr et respectueux de l'environnement<\/h4><p>Non toxique, biod\u00e9gradable, et inoffensif pour les insectes auxiliaires et les pollinisateurs.<\/p><\/div>\n      <\/div>\n      <div class=\"ff-cosoga-benefit ff-reveal\" style=\"transition-delay:240ms\">\n        <span class=\"ff-cosoga-benefit-num\">05<\/span>\n        <div><h4>Compatible avec les programmes de lutte int\u00e9gr\u00e9e<\/h4><p>S'int\u00e8gre aux strat\u00e9gies de protection des cultures existantes, r\u00e9duisant la d\u00e9pendance aux produits chimiques de synth\u00e8se.<\/p><\/div>\n      <\/div>\n      <div class=\"ff-cosoga-benefit ff-reveal\" style=\"transition-delay:300ms\">\n        <span class=\"ff-cosoga-benefit-num\">06<\/span>\n        <div><h4>Utilis\u00e9 dans Fytosave<\/h4><p>Fytosave, \u00e0 base de COS-OGA, est la solution de biocontr\u00f4le phare d\u00e9velopp\u00e9e par Fytofend pour l'agriculture moderne.<\/p><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <section class=\"ff-cosoga-cta-inline ff-reveal\">\n    <p>Convaincu par ces b\u00e9n\u00e9fices ? <a href=\"https:\/\/fytofend.com\/fr\/produits\/fytosave\/\">D\u00e9couvrez comment Fytosave applique le COS-OGA sur le terrain \u2192<\/a><\/p>\n  <\/section>\n\n  <div class=\"ff-cosoga-layout\" style=\"padding-top:96px;\">\n    <main class=\"ff-cosoga-main\">\n      <div class=\"ff-cosoga-section-head\" id=\"leadership-head\"><span class=\"ff-cosoga-section-num\">03<\/span><h3 id=\"leadership\" style=\"font:600 30px\/1.22 var(--font-display); letter-spacing:-0.01em; margin:0;\">Fytofend : leader mondial des solutions de biocontr\u00f4le \u00e0 base de COS-OGA<\/h3><\/div>\n\n      <p>Notre \u00e9quipe de recherche, dirig\u00e9e par Pierre Van Cutsem, continue d'innover et d'\u00e9largir les applications de la technologie <strong>COS-OGA<\/strong>. En tant que producteur et distributeur exclusif des produits de biocontr\u00f4le \u00e0 base de COS-OGA, <a href=\"https:\/\/fytofend.com\/fr\/entreprise\/\">Fytofend<\/a> fournit aux agriculteurs des solutions concr\u00e8tes et valid\u00e9es scientifiquement au service d'une agriculture durable.<\/p>\n\n      <p>L'ingr\u00e9dient actif <strong>COS-OGA<\/strong> pr\u00e9sent dans <a href=\"https:\/\/fytofend.com\/fr\/produits\/fytosave\/\">Fytosave<\/a> am\u00e9liore la sant\u00e9 des plantes en renfor\u00e7ant leurs d\u00e9fenses naturelles tout en emp\u00eachant la propagation des maladies. En tant que solution de biocontr\u00f4le appliqu\u00e9e par voie foliaire, Fytosave garantit une haute performance dans les conditions r\u00e9elles de culture, ce qui en fait un choix privil\u00e9gi\u00e9 aussi bien par les producteurs biologiques que conventionnels. En compl\u00e9ment de Fytosave, Fytofend a d\u00e9velopp\u00e9 <a href=\"https:\/\/fytofend.com\/fr\/produits\/fytosol\/\">Fytosol<\/a>, un biostimulant con\u00e7u pour renforcer la r\u00e9silience des plantes et optimiser les conditions de croissance, appuyant davantage des pratiques agricoles durables \u2014 au sein de la <a href=\"https:\/\/fytofend.com\/fr\/produits\/nos-biosolutions\/\">gamme compl\u00e8te de biosolutions<\/a> de l'entreprise.<\/p>\n\n      <figure class=\"ff-cosoga-figure ff-cosoga-leadership-photo ff-reveal\" style=\"margin-top:24px;\">\n        <img decoding=\"async\" src=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/4.png\" alt=\"Les fondateurs de Fytofend, Raffael Buonatesta et Pierre Van Cutsem\" loading=\"lazy\" style=\"height:100%;object-fit:cover;\">\n      <\/figure>\n    <\/main>\n  <\/div>\n\n  <section class=\"ff-cosoga-related\">\n    <div class=\"ff-cosoga-related-head\">\n      <span>Aller plus loin<\/span>\n      <h2>Explorer Fytofend<\/h2>\n    <\/div>\n    <div class=\"ff-cosoga-related-grid\">\n      <a class=\"ff-cosoga-related-card\" href=\"https:\/\/fytofend.com\/fr\/entreprise\/\">\n        <span class=\"tag\">Entreprise<\/span>\n        <h3>\u00c0 propos de Fytofend biosolutions<\/h3>\n        <p>Notre histoire, notre \u00e9quipe de recherche, et notre mission : apporter un biocontr\u00f4le scientifiquement valid\u00e9 aux agriculteurs du monde entier.<\/p>\n        <span class=\"arrow\">D\u00e9couvrir l'entreprise \u2192<\/span>\n      <\/a>\n      <a class=\"ff-cosoga-related-card\" href=\"https:\/\/fytofend.com\/fr\/produits\/nos-biosolutions\/\">\n        <span class=\"tag\">Produits<\/span>\n        <h3>Notre gamme de biosolutions<\/h3>\n        <p>Fytosave, Fytosol, Fyto-6, Algi-up \u2014 toute la gamme de produits de biocontr\u00f4le et biostimulants.<\/p>\n        <span class=\"arrow\">Voir les produits \u2192<\/span>\n      <\/a>\n    <\/div>\n  <\/section>\n\n  <section class=\"ff-cosoga-cta ff-reveal\">\n    <div class=\"ff-cosoga-cta-inner\">\n      <img decoding=\"async\" class=\"ff-cosoga-cta-bg\" src=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/5.png\" alt=\"\">\n      <div class=\"ff-cosoga-cta-scrim\"><\/div>\n      <div class=\"ff-cosoga-cta-content\">\n        <h3>Prot\u00e9gez vos cultures naturellement<\/h3>\n        <p>Vous cherchez une solution de biocontr\u00f4le \u00e9prouv\u00e9e, garantissant une forte r\u00e9sistance aux maladies, z\u00e9ro r\u00e9sidu et une protection optimale des cultures ? Rejoignez des milliers d'agriculteurs qui font confiance \u00e0 Fytosave.<\/p>\n        <a class=\"ff-btn-primary\" href=\"https:\/\/fytofend.com\/fr\/contact\/\">Contacter notre \u00e9quipe \u2192<\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <section class=\"ff-cosoga-faq\">\n    <div class=\"ff-cosoga-faq-head\">\n      <span>FAQ<\/span>\n      <h2>Questions fr\u00e9quentes<\/h2>\n    <\/div>\n    <details class=\"ff-cosoga-faq-item\" open>\n      <summary>De quoi est compos\u00e9 le COS-OGA ?<\/summary>\n      <p>Le COS-OGA associe deux oligosaccharides naturels \u2014 des oligom\u00e8res de chitosane (COS) et des oligogalacturonides (OGA) \u2014 brevet\u00e9s par le professeur Pierre Van Cutsem \u00e0 l'Universit\u00e9 de Namur.<\/p>\n    <\/details>\n    <details class=\"ff-cosoga-faq-item\">\n      <summary>Le COS-OGA tue-t-il directement les pathog\u00e8nes ?<\/summary>\n      <p>Non. Il agit en activant la propre voie de R\u00e9sistance Syst\u00e9mique Acquise (SAR) de la plante, en renfor\u00e7ant les parois cellulaires et en stimulant la production de compos\u00e9s antimicrobiens, plut\u00f4t qu'en agissant comme un biocide direct.<\/p>\n    <\/details>\n    <details class=\"ff-cosoga-faq-item\">\n      <summary>Le COS-OGA est-il compatible avec l'agriculture biologique ?<\/summary>\n      <p>Oui. Il est 100 % naturel, biod\u00e9gradable, et ne laisse aucun r\u00e9sidu chimique (z\u00e9ro LMR), ce qui le rend conforme \u00e0 la r\u00e9glementation de l'agriculture biologique et aux programmes de lutte int\u00e9gr\u00e9e.<\/p>\n    <\/details>\n    <details class=\"ff-cosoga-faq-item\">\n      <summary>Quel produit Fytofend est bas\u00e9 sur le COS-OGA ?<\/summary>\n      <p>Fytosave, le produit phare de biocontr\u00f4le de Fytofend, est bas\u00e9 sur le COS-OGA et cible l'o\u00efdium et le mildiou en viticulture et horticulture.<\/p>\n    <\/details>\n    <div class=\"ff-cosoga-faq-more\">\n      <p>D'autres questions ? Consultez notre <a href=\"https:\/\/fytofend.com\/fr\/faq\/\">page FAQ compl\u00e8te<\/a>.<\/p>\n    <\/div>\n  <\/section>\n<\/div>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    { \"@type\": \"Question\", \"name\": \"De quoi est compos\u00e9 le COS-OGA ?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Le COS-OGA associe deux oligosaccharides naturels \u2014 des oligom\u00e8res de chitosane (COS) et des oligogalacturonides (OGA) \u2014 brevet\u00e9s par le professeur Pierre Van Cutsem \u00e0 l'Universit\u00e9 de Namur.\" } },\n    { \"@type\": \"Question\", \"name\": \"Le COS-OGA tue-t-il directement les pathog\u00e8nes ?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Non. Il agit en activant la propre voie de R\u00e9sistance Syst\u00e9mique Acquise (SAR) de la plante, en renfor\u00e7ant les parois cellulaires et en stimulant la production de compos\u00e9s antimicrobiens, plut\u00f4t qu'en agissant comme un biocide direct.\" } },\n    { \"@type\": \"Question\", \"name\": \"Le COS-OGA est-il compatible avec l'agriculture biologique ?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Oui. Il est 100 % naturel, biod\u00e9gradable, et ne laisse aucun r\u00e9sidu chimique (z\u00e9ro LMR), ce qui le rend conforme \u00e0 la r\u00e9glementation de l'agriculture biologique et aux programmes de lutte int\u00e9gr\u00e9e.\" } },\n    { \"@type\": \"Question\", \"name\": \"Quel produit Fytofend est bas\u00e9 sur le COS-OGA ?\", \"acceptedAnswer\": { \"@type\": \"Answer\", \"text\": \"Fytosave, le produit phare de biocontr\u00f4le de Fytofend, est bas\u00e9 sur le COS-OGA et cible l'o\u00efdium et le mildiou en viticulture et horticulture.\" } }\n  ]\n}\n<\/script>\n\n<script>\n(function () {\n  document.documentElement.classList.add('js-ff-reveal');\n\n  var root = document.getElementById('ff-cosoga-root');\n  var bar = document.getElementById('ff-cosoga-progress-bar');\n  if (!root || !bar) return;\n\n  function updateProgress() {\n    var rect = root.getBoundingClientRect();\n    var total = root.offsetHeight - window.innerHeight;\n    var scrolled = -rect.top;\n    var pct = total > 0 ? Math.min(100, Math.max(0, (scrolled \/ total) * 100)) : 0;\n    bar.style.width = pct + '%';\n  }\n  window.addEventListener('scroll', updateProgress, { passive: true });\n  window.addEventListener('resize', updateProgress);\n  updateProgress();\n\n  var videoFacade = document.getElementById('ff-cosoga-video-facade');\n  if (videoFacade) {\n    var playBtn = videoFacade.querySelector('.ff-cosoga-video-play');\n    playBtn.addEventListener('click', function () {\n      var videoId = videoFacade.getAttribute('data-video-id');\n      var iframe = document.createElement('iframe');\n      iframe.src = 'https:\/\/www.youtube.com\/embed\/' + videoId + '?autoplay=1';\n      iframe.title = 'Comment fonctionne le COS-OGA';\n      iframe.allow = 'accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture';\n      iframe.allowFullscreen = true;\n      videoFacade.innerHTML = '';\n      videoFacade.appendChild(iframe);\n    });\n  }\n\n  var revealEls = root.querySelectorAll('.ff-reveal');\n  if ('IntersectionObserver' in window) {\n    var io = new IntersectionObserver(function (entries) {\n      entries.forEach(function (entry) {\n        if (entry.isIntersecting) {\n          entry.target.classList.add('ff-in-view');\n          io.unobserve(entry.target);\n        }\n      });\n    }, { threshold: 0.15, rootMargin: '0px 0px -60px 0px' });\n    revealEls.forEach(function (el) { io.observe(el); });\n  } else {\n    revealEls.forEach(function (el) { el.classList.add('ff-in-view'); });\n  }\n})();\n<\/script>\n\n","protected":false},"excerpt":{"rendered":"<p>02 Accueil\/COS-OGA Recherche en biocontr\u00f4le Faire progresser le biocontr\u00f4le gr\u00e2ce \u00e0 la technologie COS-OGA Un \u00e9liciteur oligosaccharidique brevet\u00e9 qui active les d\u00e9fenses naturelles des plantes contre l&rsquo;o\u00efdium et le mildiou \u2014 la science derri\u00e8re Fytosave. Fond\u00e9e 2009 Statut UE Substance \u00e0 faible risque R\u00e9sidus Z\u00e9ro LMR Fytofend est \u00e0 la pointe de l&rsquo;innovation en biocontr\u00f4le, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"content-type":"","footnotes":""},"class_list":["post-1972","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l&#039;UE | Stimulateur de croissance v\u00e9g\u00e9tale<\/title>\n<meta name=\"description\" content=\"Le COS-OGA est un complexe brevet\u00e9 d&#039;oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s&#039;agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l&#039;Union europ\u00e9enne.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fytofend.com\/fr\/cos-oga\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l&#039;UE | Stimulateur de croissance v\u00e9g\u00e9tale\" \/>\n<meta property=\"og:description\" content=\"Le COS-OGA est un complexe brevet\u00e9 d&#039;oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s&#039;agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l&#039;Union europ\u00e9enne.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fytofend.com\/fr\/cos-oga\/\" \/>\n<meta property=\"og:site_name\" content=\"Fytofend\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-13T15:26:36+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/\",\"url\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/\",\"name\":\"COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l'UE | Stimulateur de croissance v\u00e9g\u00e9tale\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fytofend.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Design-sans-titre-2026-07-13T164438.520.png\",\"datePublished\":\"2022-11-21T12:10:43+00:00\",\"dateModified\":\"2026-07-13T15:26:36+00:00\",\"description\":\"Le COS-OGA est un complexe brevet\u00e9 d'oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s'agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l'Union europ\u00e9enne.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/#primaryimage\",\"url\":\"https:\\\/\\\/fytofend.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Design-sans-titre-2026-07-13T164438.520.png\",\"contentUrl\":\"https:\\\/\\\/fytofend.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/Design-sans-titre-2026-07-13T164438.520.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/cos-oga\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"COS-OGA\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/\",\"name\":\"Fytofend\",\"description\":\"Leader in Plant Defence Inducers\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/fytofend.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l'UE | Stimulateur de croissance v\u00e9g\u00e9tale","description":"Le COS-OGA est un complexe brevet\u00e9 d'oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s'agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l'Union europ\u00e9enne.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fytofend.com\/fr\/cos-oga\/","og_locale":"fr_FR","og_type":"article","og_title":"COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l'UE | Stimulateur de croissance v\u00e9g\u00e9tale","og_description":"Le COS-OGA est un complexe brevet\u00e9 d'oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s'agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l'Union europ\u00e9enne.","og_url":"https:\/\/fytofend.com\/fr\/cos-oga\/","og_site_name":"Fytofend","article_modified_time":"2026-07-13T15:26:36+00:00","og_image":[{"url":"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"8 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/fytofend.com\/fr\/cos-oga\/","url":"https:\/\/fytofend.com\/fr\/cos-oga\/","name":"COS-OGA \u2014 Premi\u00e8re substance active \u00e0 faible risque de l'UE | Stimulateur de croissance v\u00e9g\u00e9tale","isPartOf":{"@id":"https:\/\/fytofend.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/fytofend.com\/fr\/cos-oga\/#primaryimage"},"image":{"@id":"https:\/\/fytofend.com\/fr\/cos-oga\/#primaryimage"},"thumbnailUrl":"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png","datePublished":"2022-11-21T12:10:43+00:00","dateModified":"2026-07-13T15:26:36+00:00","description":"Le COS-OGA est un complexe brevet\u00e9 d'oligosaccharides qui active la r\u00e9sistance naturelle des plantes (SAR). Il s'agit de la premi\u00e8re substance active \u00e0 faible risque reconnue par l'Union europ\u00e9enne.","breadcrumb":{"@id":"https:\/\/fytofend.com\/fr\/cos-oga\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/fytofend.com\/fr\/cos-oga\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/fytofend.com\/fr\/cos-oga\/#primaryimage","url":"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png","contentUrl":"https:\/\/fytofend.com\/wp-content\/uploads\/2026\/07\/Design-sans-titre-2026-07-13T164438.520.png"},{"@type":"BreadcrumbList","@id":"https:\/\/fytofend.com\/fr\/cos-oga\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/fytofend.com\/fr\/"},{"@type":"ListItem","position":2,"name":"COS-OGA"}]},{"@type":"WebSite","@id":"https:\/\/fytofend.com\/fr\/#website","url":"https:\/\/fytofend.com\/fr\/","name":"Fytofend","description":"Leader in Plant Defence Inducers","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/fytofend.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/pages\/1972","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/comments?post=1972"}],"version-history":[{"count":9,"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/pages\/1972\/revisions"}],"predecessor-version":[{"id":2859,"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/pages\/1972\/revisions\/2859"}],"wp:attachment":[{"href":"https:\/\/fytofend.com\/fr\/wp-json\/wp\/v2\/media?parent=1972"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}