{"id":1734,"date":"2008-02-19T18:51:38","date_gmt":"2008-02-19T16:51:38","guid":{"rendered":"http:\/\/staging.sillon38.com\/2008\/02\/19\/contre-l%e2%80%99usage-de-pesticides-contre-la-chrysomele-du-mais\/"},"modified":"2008-02-19T18:51:38","modified_gmt":"2008-02-19T16:51:38","slug":"contre-lusage-de-pesticides-contre-la-chrysomele-du-mais","status":"publish","type":"post","link":"https:\/\/www.sillon38.com\/blog\/2008\/02\/19\/contre-lusage-de-pesticides-contre-la-chrysomele-du-mais\/","title":{"rendered":"Contre l\u2019usage de pesticides contre la Chrysom\u00e8le du ma\u00efs"},"content":{"rendered":"

La FRAPNA, l’ALLIANCE PEC Is\u00e8re, la LPO, l\u2019ADABIO et AVENIR protestent contre l\u2019usage de pesticides contre la Chrysom\u00e8le du ma\u00efs en Is\u00e8re <\/strong><\/p>\n

Suite au pi\u00e9geage \u00e0 l\u2019automne dernier d\u2019un sp\u00e9cimen de Chrysom\u00e8le du ma\u00efs (Diabrotica virgifera virgifera Le Conte), insecte ravageur du ma\u00efs, sur la commune de Saint-Nazaire-les-Eymes, le pr\u00e9fet de d\u00e9partement a pris un arr\u00eat\u00e9 rendant obligatoire la lutte contre la Chrysom\u00e8le dans le d\u00e9partement et d\u00e9finissant le p\u00e9rim\u00e8tre et les mesures autoris\u00e9es de lutte contre insecte.
\nL\u2019arr\u00eat\u00e9 pr\u00e9fectoral du 4 d\u00e9cembre 2007 pr\u00e9voit dans la zone centrale d\u2019une distance d\u20191 km autour du champ o\u00f9 un sp\u00e9cimen de chrysom\u00e8le a \u00e9t\u00e9 d\u00e9couvert, l\u2019obligation d’assolement (pas de ma\u00efs ni en 2008 ni en 2009) et l\u2019obligation d\u2019effectuer une lutte \u00e0 l\u2019aide d\u2019insecticides contre les larves et les adultes en 2008.
\nDans la zone de s\u00e9curit\u00e9, d\u2019une distance de 5 km autour de la zone centrale, l\u2019arr\u00eat\u00e9 pr\u00e9fectoral pr\u00e9voit l\u2019obligation d\u2019assolement qui peut \u00eatre remplac\u00e9e par l’obligation d’effectuer une lutte \u00e0 l’aide d’insecticides contre les larves et les adultes en 2008.
\nDans le Gr\u00e9sivaudan, c\u2019est le traitement \u00e0 l\u2019aide d\u2019insecticides tels que la deltam\u00e9thrine sur les plants ou le cruiser (non encore homologu\u00e9 car probl\u00e9matique pour les populations d’abeilles) ou la t\u00e9fluthrine qui sont \u00e0 l’\u00e9tude.
\nCes pesticides sont non seulement tr\u00e8s dangereux pour la sant\u00e9 humaine mais sont aussi efficaces donc toxiques pour un grand nombre d’insectes non cibles et les abeilles en particulier. Certaines publications sugg\u00e8rent m\u00eame que la toxicit\u00e9 sur les insectes non cibles serait plus r\u00e9manente que sur la chrysom\u00e8le.<\/p>\n

Les apiculteurs sont inquiets pour la perte de leurs r\u00e9coltes, de m\u00eame que les agriculteurs qui utilisent la lutte biologique avec les insectes pr\u00e9sents sur site ou parfois import\u00e9s. Qui indemnisera leurs pertes difficiles \u00e0 chiffrer ? De plus, il ne faut pas oublier le r\u00f4le pollinisateur primordial des abeilles sur de nombreuses r\u00e9coltes.<\/strong><\/p><\/blockquote>\n

Parmi les zones de traitements pr\u00e9vues, se situe le marais de Montfort, class\u00e9 en Arr\u00eat\u00e9 Pr\u00e9fectoral de Protection de Biotope et en ENS D\u00e9partemental. Il abrite la seule localit\u00e9 de l\u2019Is\u00e8re o\u00f9 se trouvent 3 papillons prot\u00e9g\u00e9s et inscrits \u00e0 la Directive habitats. Le traitement des parcelles de ma\u00efs dans ce secteur, au dosage triple (au minimum) et en p\u00e9riode d\u2019\u00e9t\u00e9, signera l\u2019arr\u00eat de mort de ces esp\u00e8ces patrimoniales.<\/p>\n

Afin d\u2019\u00e9viter le recours aux pesticides, la FRAPNA, l’ALLIANCE PEC Is\u00e8re, la LPO, l\u2019ADABIO et AVENIR pr\u00e9conisent de mettre en \u0153uvre la rotation des cultures, de d\u00e9velopper la recherche sur les vari\u00e9t\u00e9s de ma\u00efs ayant gard\u00e9 la propri\u00e9t\u00e9 originelle du ma\u00efs d’attirer des n\u00e9matodes pr\u00e9dateurs de la chrysom\u00e8le en cas d’attaque, et d\u2019\u00e9tudier des solutions de lutte biologique par des n\u00e9matodes et acariens naturellement pr\u00e9sents dans nos sols.<\/p>\n

Les associations d\u00e9noncent l’absence d’\u00e9tude de mesures alternatives et la disproportion entre le pi\u00e9geage de quelques chrysom\u00e8les et le caract\u00e8re tr\u00e8s agressifdes m\u00e9thodes chimiques utilis\u00e9es au seul b\u00e9n\u00e9fice imm\u00e9diat des ma\u00efsiculteurs et n\u00e9gligeant la microfaune sauvage.<\/p>\n","protected":false},"excerpt":{"rendered":"

La FRAPNA, l’ALLIANCE PEC Is\u00e8re, la LPO, l\u2019ADABIO et AVENIR protestent contre l\u2019usage de pesticides contre la Chrysom\u00e8le du ma\u00efs en Is\u00e8re Suite au pi\u00e9geage \u00e0 l\u2019automne dernier d\u2019un sp\u00e9cimen de Chrysom\u00e8le du ma\u00efs (Diabrotica virgifera virgifera Le Conte), insecte…<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,22],"tags":[],"class_list":["post-1734","post","type-post","status-publish","format-standard","hentry","category-apiculture","category-environnement"],"yoast_head":"\nContre l\u2019usage de pesticides contre la Chrysom\u00e8le du ma\u00efs -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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