{"id":24846,"date":"2014-10-20T20:33:04","date_gmt":"2014-10-20T13:33:04","guid":{"rendered":"http:\/\/www.forestsnews.org\/?p=24846"},"modified":"2015-07-06T15:51:25","modified_gmt":"2015-07-06T08:51:25","slug":"pour-lutter-contre-les-nuisibles-en-afrique-les-chercheurs-recommandent-des-remedes-naturels","status":"publish","type":"post","link":"https:\/\/www.forestsnews.org\/fr\/24846\/pour-lutter-contre-les-nuisibles-en-afrique-les-chercheurs-recommandent-des-remedes-naturels","title":{"rendered":"Pour lutter contre les nuisibles en Afrique, les chercheurs recommandent des rem\u00e8des naturels"},"content":{"rendered":"<figure id=\"attachment_24635\" aria-describedby=\"caption-attachment-24635\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/10\/PEST-FOTO-1-pyreth5.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-24635 size-large\" src=\"\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/10\/PEST-FOTO-1-pyreth5-500x335.jpg\" alt=\"PEST FOTO 1 - pyreth\" width=\"500\" height=\"335\" \/><\/a><figcaption id=\"caption-attachment-24635\" class=\"wp-caption-text\">Le pyr\u00e8thre est une plante aux propri\u00e9t\u00e9s pesticides mais selon les chercheurs, son utilit\u00e9 en tant que pesticide n\u2019a pas \u00e9t\u00e9 suffisamment \u00e9tudi\u00e9e. Photo:\u00a0<a href=\"https:\/\/www.flickr.com\/photos\/24557420@N05\/14142507207\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Flickr<\/a><\/figcaption><\/figure>\n<p style=\"text-align: left;\" align=\"CENTER\"><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">BOGOR, <\/span><span lang=\"fr-FR\">Indon\u00e9sie \u2014 Elles sont vertes. Elles fleurissent<\/span><span lang=\"fr-FR\">.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Et pour de nombreux insectes qui ravagent les cultures en Afrique, elles sont mortelles.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Appelez cela une approche \u00abretour \u00e0 la nature\u00bb pour lutter contre les parasites: puisque les infestations menacent toujours la s\u00e9curit\u00e9 alimentaire de nombreux petits agriculteurs en Afrique et que la demande mondiale en produits exempts de pesticides de synth\u00e8se est en hausse, les chercheurs soulignent qu&rsquo;il est urgent de tirer parti des connaissances des agriculteurs africains sur les pesticides naturels pour rendre les solutions botaniques efficaces, abordables et accessibles.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abLes technologies actuelles de lutte antiparasitaire ne sont pas accessibles \u00e0 ceux qui en ont besoin\u00bb, d\u00e9clare Phosiso Sola, scientifique chevronn\u00e9e au Centre de Recherche Foresti\u00e8re Internationale (CIFOR). \u00abLes pesticides qui parviennent aux petits agriculteurs sont souvent p\u00e9rim\u00e9s ou falsifi\u00e9s.\u00bb <\/span><\/span><\/span><\/span><\/p>\n<blockquote>\n<p lang=\"fr-FR\" style=\"text-align: left;\" align=\"CENTER\">Nous n&rsquo;avons pas besoin de chercher de nouvelles esp\u00e8ces v\u00e9g\u00e9tales &#8211; nous en avons assez &#8211; mais nous devons apprendre \u00e0 les cultiver et \u00e0 les utiliser de mani\u00e8re plus efficace et durable.<\/p>\n<\/blockquote>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Mme Sola est l&rsquo;auteure principale <a href=\"\/\/www.cifor.org\/library\/4838\/botanical-pesticide-production-trade-and-regulatory-mechanisms-in-sub-saharan-africa-making-a-case-for-plant-based-pesticidal-products\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">d&rsquo;une nouvelle \u00e9tude<\/a> s<\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">ur les pesticides botaniques en Afrique, qui <\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">p<\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">r\u00f4ne un investissement accru dans les produits \u00e0 base de plantes. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Elle souligne qu\u2019en Afrique subsaharienne jusqu&rsquo;\u00e0 30% des rendements agricoles sont perdus avant la r\u00e9colte et lors du stockage, car les agriculteurs ne sont pas en mesure de les prot\u00e9ger efficacement contre les parasites.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Or, les pesticides synth\u00e9tiques pr\u00e9sentent des risques pour la sant\u00e9 de leurs utilisateurs et peuvent les exclure des march\u00e9s d&rsquo;exportation lucratifs, tels que l\u2019Europe et les Etats-Unis, o\u00f9 la r\u00e9glementation sur les r\u00e9sidus chimiques devient plus stricte, selon l\u2019article.<\/span><\/span><\/span><\/span><\/p>\n<p><strong><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">DOUTES ET SORCELLERIE<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Dans ce contexte, les auteurs consid\u00e8rent les produits v\u00e9g\u00e9taux comme une alternative int\u00e9ressante: \u00abEtant donn\u00e9 la grande diversit\u00e9 des esp\u00e8ces v\u00e9g\u00e9tales africaines potentiellement pesticides et l&rsquo;usage local de ces plantes par les agriculteurs pauvres en ressources, on pourrait d\u00e9velopper un march\u00e9 solide. Ce-dernier r\u00e9pondrait aux demandes locales et internationales pour un contr\u00f4le anti-parasitaire plus respectueux de l\u2019environnement\u00bb, \u00e9crivent-ils.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Pourtant, malgr\u00e9 leurs attraits, les pesticides \u00e0 base de plantes sont actuellement sous-d\u00e9velopp\u00e9s en Afrique.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abSelon des \u00e9tudes, les agriculteurs qui connaissent ces plantes sont plus nombreux que ceux qui les utilisent \u2013 on peut en d\u00e9duire qu\u2019un certain doute persiste\u00bb, d\u00e9clare Philip Stevenson, professeur en phytochimie \u00e0 <a href=\"http:\/\/www.nri.org\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">l\u2019Institut des Ressources naturelles <\/a>de l&rsquo;Universit\u00e9 de Greenwich et co-auteur de l&rsquo;\u00e9tude. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abLa principale raison \u00e0 cela est que les pesticides synth\u00e9tiques b\u00e9n\u00e9ficient d\u2019une meilleure publicit\u00e9 et que les agriculteurs pensent qu&rsquo;ils sont plus efficaces \u2013 ce qui indique que la d\u00e9sinformation est en partie \u00e0 l\u2019origine de l\u2019opposition aux pesticides naturels\u00bb, ajoute M. Stevenson. Il a \u00e9galement mentionn\u00e9 l&rsquo;influence de certains groupes religieux qui d\u00e9noncent l&rsquo;usage des plantes comme \u00e9tant de la sorcellerie.<\/span><\/span><\/span><\/span><\/p>\n<figure id=\"attachment_24636\" aria-describedby=\"caption-attachment-24636\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/10\/PEST-FOTO-2-tephro.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-24636 size-large\" src=\"\/\/www.forestsnews.org\/wp-content\/uploads\/2014\/10\/PEST-FOTO-2-tephro-500x375.jpg\" alt=\"A species of Tephrosia. \" width=\"500\" height=\"375\" \/><\/a><figcaption id=\"caption-attachment-24636\" class=\"wp-caption-text\">Une esp\u00e8ce de Tephrosia, un arbuste connu dans toute l&rsquo;Afrique pour tuer des insectes.\u00a0Photo:\u00a0<a href=\"https:\/\/www.flickr.com\/photos\/macleaygrassman\/10619543025\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Flickr<\/a>\u00a0<\/figcaption><\/figure>\n<p><strong><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">PEU DE TECHNOLOGIE = PEU D\u2019EFFICACIT\u00c9 ?<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">De nombreux pesticides \u00e0 base de plantes sont actuellement utilis\u00e9s de fa\u00e7on rudimentaire. Les agriculteurs cultivent ou collectent des plantes s\u00e9lectionn\u00e9es et utilisent leurs fleurs, feuilles ou \u00e9corces \u00e0 l&rsquo;\u00e9tat brut pour lutter contre les infestations d&rsquo;insectes ou de champignons des cultures. Ces techniques traditionnelles donnent des r\u00e9sultats irr\u00e9guliers, ce qui a contribu\u00e9 \u00e0 renforcer l&rsquo;image que les plantes seraient moins fiables que les pesticides synth\u00e9tiques. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Face \u00e0 cet \u00e9cart, la science est d\u00e9sormais indispensable pour faire des produits \u00e0 base de plantes une alternative viable, selon M. Stevenson. \u00abNous n&rsquo;avons pas besoin de chercher de nouvelles esp\u00e8ces v\u00e9g\u00e9tales &#8211; nous en avons assez &#8211; mais nous devons apprendre \u00e0 les cultiver et utiliser de mani\u00e8re plus efficace et durable\u00bb, dit-il.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Bien que les chercheurs aient not\u00e9 une absence totale d&rsquo;int\u00e9r\u00eat pour les plantes de la part des multinationales produisant actuellement des pesticides de synth\u00e8se, ils ont constat\u00e9 que les entreprises chinoises et indiennes ont converti avec succ\u00e8s quelques plantes tropicales, telles que le <a href=\"http:\/\/npic.orst.edu\/factsheets\/neemgen.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">neem<\/a>, en a\u00e9rosols commercialis\u00e9s.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Ils supposent qu&rsquo;il existe un moyen interm\u00e9diaire pour les chercheurs et les investisseurs commerciaux de d\u00e9velopper des produits \u00e0 base de plantes en Afrique, pour une utilisation par les agriculteurs africains.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">L\u2019\u00e9tude analyse des exemples de pesticides organiques bien connus <a href=\"http:\/\/www.pyrethrum.com\/About_Pyrethrum.aspx\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">tels que le pyr\u00e8thre<\/a>, une plante insecticide cultiv\u00e9e en Afrique de l\u2019Est qui g\u00e9n\u00e8re des recettes d&rsquo;exportation importantes pour les agriculteurs locaux de la r\u00e9gion. Selon l&rsquo;\u00e9tude, l&rsquo;inefficacit\u00e9 et les probl\u00e8mes financiers du monopole de l&rsquo;\u00c9tat kenyan sur la transformation du pyr\u00e8thre avaient d\u00e9clench\u00e9 le d\u00e9clin de l&rsquo;industrie. Toutefois, il existe actuellement des opportunit\u00e9s pour les investisseurs priv\u00e9s de relancer l\u2019industrie.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\"><a href=\"http:\/\/projects.nri.org\/adappt\/Tephrosia_vogelii.htm\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">L&rsquo;arbuste Tephrosia<\/a> <\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">est \u00e9galement connu \u00e0 travers de l&rsquo;Afrique pour tuer des insectes. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Une approche plus scientifique de son utilisation pourrait aider les agriculteurs \u00e0 s\u00e9lectionner les meilleures vari\u00e9t\u00e9s et les techniques les plus efficaces pour extraire l\u2019insecticide de ses feuilles. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abIl serait possible de produire de la mati\u00e8re v\u00e9g\u00e9tale et de l&#8217;emballer dans des r\u00e9cipients ressemblant \u00e0 des sachets de th\u00e9, afin que les agriculteurs puissent faire leur propre extrait sans avoir \u00e0 cultiver ou s\u00e9cher les feuilles. Un march\u00e9 pour les entrepreneurs serait ainsi cr\u00e9\u00e9\u00bb, d\u00e9clare M. Stevenson. De tels insecticides pas chers pourraient, selon lui, devenir accessibles aux petits exploitants agricoles dans certaines r\u00e9gions les plus pauvres de l&rsquo;Afrique subsaharienne. <\/span><\/span><\/span><\/span><\/p>\n<p><strong><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">PAS DE CADRE POLITIQUE<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Pour faciliter un tel d\u00e9veloppement, les chercheurs soulignent la n\u00e9cessit\u00e9 pour les gouvernements africains d\u2019adapter les r\u00e8glements existants en faveur des pesticides \u00e0 base de plantes.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abIl n&rsquo;existe pas de cadre politique pour la production et la distribution de produits v\u00e9g\u00e9taux. Il est tr\u00e8s difficile de mener la recherche de sorte \u00e0 ce qu\u2019ils soient mis sur le march\u00e9\u00bb, d\u00e9clare Mme Sola.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Bien que certains pays, comme le Kenya, aient prit des mesures pour adapter les exigences en mati\u00e8re d&rsquo;enregistrement de mani\u00e8re plus sp\u00e9cifique \u00e0 chaque type de pesticide, dans la plupart des pays, le co\u00fbt est trop \u00e9lev\u00e9 pour les producteurs potentiels de v\u00e9g\u00e9taux au niveau local.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Par exemple, \u00abalors que les produits synth\u00e9tiques ont une liste simple d&rsquo;ingr\u00e9dients chimiques, les produits v\u00e9g\u00e9taux d\u00e9tiennent plusieurs produits chimiques. Il est impossible d\u2019effectuer des \u00e9tudes de toxicologie de chaque plante\u00bb, explique M. Stevenson.<\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Selon les chercheurs, les gouvernements africains pourraient favoriser des industries nationales dynamiques en d\u00e9gageant des voies simples qui soutiennent les cha\u00eenes de valeur des plantes. Ceci comprend l\u2019incitation \u00e0 la pr\u00e9servation l\u00e0 o\u00f9 leur collecte ou culture risquent de menacer les for\u00eats, comme c\u2019est le cas des esp\u00e8ces sauvages prometteuses, telles que les esp\u00e8ces de Lippia et Securidaca. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">\u00abLes pesticides \u00e0 base de plantes, produits pour le commerce par des petits exploitants agricoles, pourraient augmenter les revenus des m\u00e9nages. Leur usage a le potentiel de renforcer la s\u00e9curit\u00e9 alimentaire, tout en r\u00e9duisant les pertes de rendement\u00bb, d\u00e9clare Mme Sola. <\/span><\/span><\/span><\/span><\/p>\n<p><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Sans m\u00eame parler de l&rsquo;exportation de fruits et l\u00e9gumes \u00e0 faible teneur en r\u00e9sidus, si ardemment recherch\u00e9s par les consommateurs occidentaux. <\/span><\/span><\/span><\/span><\/p>\n<p><strong><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Pour plus d&rsquo;informations sur les sujets de cette recherche, veuillez contacter Pho<\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">siso Sola sur <\/span><\/span><\/span><\/span><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\"><a href=\"mailto:p.sola@cgiar.org\">p.sola@cgiar.org<\/a>.<\/span><\/span><\/span><\/span><\/strong><\/p>\n<p><strong><em><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\">Cette recherche a \u00e9t\u00e9 financ\u00e9e par la Commission europ\u00e9enne et s\u2019inscrit dans le cadre du<\/span><\/span><\/span><\/span><\/em> <em><span style=\"color: #000000;\"><span style=\"font-family: Tahoma, sans-serif;\"><span style=\"font-size: small;\"><span lang=\"fr-FR\"><a href=\"http:\/\/www.foreststreesagroforestry.org\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Programme de recherche du CGIAR sur les For\u00eats, les Arbres et l&rsquo;Agroforesterie<\/a>.<\/span><\/span><\/span><\/span><\/em><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>BOGOR, Indon\u00e9sie \u2014 Elles sont vertes. Elles fleurissent. Et pour de nombreux insectes qui ravagent les cultures en Afrique, elles sont mortelles. Appelez cela une approche \u00abretour \u00e0 la nature\u00bb pour lutter contre les parasites: puisque les infestations menacent toujours la s\u00e9curit\u00e9 alimentaire de nombreux petits agriculteurs en Afrique et que la demande mondiale en [&hellip;]<\/p>\n","protected":false},"author":97,"featured_media":24635,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[6090],"tags":[322,25,1690,1685,1689,1686,1688],"language":[2170],"location":[],"tag-bahasa":[],"tag-espanol":[],"tag-francais":[],"type-espanol":[],"type-bahasa":[],"type-english":[],"type-francais":[],"coauthors":[1041],"class_list":["post-24846","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-forests-news","tag-africa","tag-agriculture","tag-botanical","tag-east-africa","tag-pesticides","tag-southern-africa","tag-tephrosia","language-francais"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.4 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pour lutter contre les nuisibles en Afrique, les chercheurs recommandent des rem\u00e8des naturels - Landscape Alliance Forests News<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.forestsnews.org\/fr\/24846\/pour-lutter-contre-les-nuisibles-en-afrique-les-chercheurs-recommandent-des-remedes-naturels\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pour lutter contre les nuisibles en Afrique, les chercheurs recommandent des rem\u00e8des naturels\" \/>\n<meta property=\"og:description\" content=\"BOGOR, Indon\u00e9sie \u2014 Elles sont vertes. Elles fleurissent. Et pour de nombreux insectes qui ravagent les cultures en Afrique, elles sont mortelles. 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