{"id":699,"date":"2010-06-10T15:17:36","date_gmt":"2010-06-10T13:17:36","guid":{"rendered":"http:\/\/www.cetici.com\/teksite\/?p=699"},"modified":"2010-06-10T15:17:36","modified_gmt":"2010-06-10T13:17:36","slug":"le-debut-de-la-fin-pour-les-ogm","status":"publish","type":"post","link":"https:\/\/www.cetici.com\/teksite\/2010\/06\/10\/le-debut-de-la-fin-pour-les-ogm\/","title":{"rendered":"Le d\u00e9but de la fin pour les OGM ?"},"content":{"rendered":"

Une \u00e9tude r\u00e9alis\u00e9e en Chine durant ces dix derni\u00e8res ann\u00e9es pourrait-elle mettre \u00e0 mal le lobby OGM ? En tout cas elle montre qu’il n’est pas innocent de jouer aux apprentis sorciers. Une fois de plus l’action de l’homme rompt le fragile \u00e9quilibre de la nature, et le retour de boomerang ne tarde pas.<\/p>\n


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L’Institut chinois de protection des plantes ( Yanhui Lu et son \u00e9quipe) a \u00e9tudi\u00e9 pendant 10 ans la culture de coton transg\u00e9nique [Bt] en Chine du Nord. Ce coton produit une toxine issue de la bact\u00e9rie Bacillus thuringiensis, qui permet d’\u00e9liminer la noctuelle, le principal ravageur du coton.<\/p>\n

Si les noctuelles ont bien disparu, un autre parasite \u2013 une punaise – habituellement minoritaire en a profit\u00e9 pour prolif\u00e9rer et d\u00e9truire non seulement les champs de coton mais aussi les cultures environnantes.<\/p>\n

La toxine du bacille de thuringe ne permettant pas de lutter contre ce parasite, les agriculteurs chinois ont du se r\u00e9soudre \u00e0 r\u00e9-utiliser des pesticides.<\/p>\n

Le plus paradoxal concernant est que non seulement cet utilisation des OGM avait pour but de limiter l’utilisation des pesticides via des g\u00e8nes capables de d\u00e9fendre les cultures, mais de plus, les paysans chinois utilisent maintenant deux-tiers de pesticides de plus qu’avant la mise en culture de ce coton OGM !<\/p>\n

Pour information une autre m\u00e9thode de lutte contre la noctuelle du coton existe, l’utilisation de Densovirus<\/a> mais je ne peux m\u2019emp\u00eacher de me demander si le r\u00e9sultat ne risque pas d’\u00eatre identique…<\/span><\/p>\n

Le cas du coton [Bt] n’est pas le seul probl\u00e8me rencontr\u00e9 par les OGM, loin de l\u00e0. Dans le pays o\u00f9 l’OGM est roi, les USA, Monsanto commence aussi \u00e0 avoir des probl\u00e8mes avec des herbes folles r\u00e9sistantes au trop fameux Roundup.<\/p>\n

C’est \u00e0 chaque fois le principe m\u00eame de l’utilisation des OGM qui est en cause, car tous ces groupes producteurs de semence OGM mettent en avant leur \u00ab\u00a0atout\u00a0\u00bb principal : l’importante diminution de l’utilisation de pesticides gr\u00e2ce \u00e0 ces semences avec donc deux avantages majeurs une r\u00e9duction des co\u00fbts et une meilleure pr\u00e9servation de la nature.<\/p>\n

Si les OGM ne permettent plus de diminuer l’utilisation de pesticides, et au contraire obligent les agriculteurs \u00e0 en utiliser encore plus, ces derniers auront vite compris o\u00f9 est leur int\u00e9r\u00eat. En esp\u00e9rant qu’il ne soit pas trop tard pour faire machine arri\u00e8re.<\/p>\n

Plus d’information sur Effets de Terre<\/a>
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\nphoto du champ de coton -> Photos Libres<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Une \u00e9tude r\u00e9alis\u00e9e en Chine durant ces dix derni\u00e8res ann\u00e9es pourrait-elle mettre \u00e0 mal le lobby OGM ? En tout cas elle montre qu’il n’est pas innocent de jouer aux apprentis sorciers. Une fois de plus l’action de l’homme rompt le fragile \u00e9quilibre de la nature, et le retour de boomerang ne tarde pas.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,12,5],"tags":[139],"class_list":["post-699","post","type-post","status-publish","format-standard","hentry","category-biodiversite","category-developpement-durable","category-ecologie","tag-ogm"],"yoast_head":"\nLe d\u00e9but de la fin pour les OGM ? - Teksite<\/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.cetici.com\/teksite\/2010\/06\/10\/le-debut-de-la-fin-pour-les-ogm\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le d\u00e9but de la fin pour les OGM ? - Teksite\" \/>\n<meta property=\"og:description\" content=\"Une \u00e9tude r\u00e9alis\u00e9e en Chine durant ces dix derni\u00e8res ann\u00e9es pourrait-elle mettre \u00e0 mal le lobby OGM ? 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