Issue |
OCL
Volume 7, Number 4, Juillet-Août 2000
|
|
---|---|---|
Page(s) | 345 - 349 | |
Section | Dossier : “OGM: expertise et décision publique” | |
DOI | https://doi.org/10.1051/ocl.2000.0345 | |
Published online | 15 July 2000 |
EVALUATION DE L’IMPACT ENVIRONNEMENTAL : Evaluation des impacts du flux de transgènes de tolérance à différents herbicides à large spectre
ENVIRONMENTAL IMPACT STUDIES: Evaluation of the impact of flows of tolerant transgenic organisms to various broad-spectrum herbicides
Centre technique interprofessionnel des oléagineux métropolitains (Cetiom), Centre de Grignon, BP 4, 78850
Thiverval-Grignon, France
Ce texte est tiré du rapport « Introduction de variétés génétiquement modifiées de colza tolérantes à différents herbicides : évaluation des impacts agro-environnementaux et propositions de scénarios de gestion » établi par le Cetiom dans le cadre du moratoire sur les variétés génétiquement modifiées de colza. Les auteurs se réservent la possibilité d’ici publication définitive du rapport d’apporter des modifications à ce texte.
Abstract
Given the characterisation and evaluation of the gene flow from oilseed rape done by INRA, CNRS and Cetiom, the present paper aims to investigate the possible agro-environmental impacts of gene flow from herbicide-tolerant genetically-modified (GM) oilseed rape (seed loss outside and inside the field, pollen dispersal, interspecific hybridization). We identified two main impacts of the release of such varieties in French agricultural systems: the possible questioning of GM content norms for the harvest of non-GM rape fields, and of the long-term effectiveness of such weed control strategies through the development of tolerant weeds (oilseed rape and hybrids). This text is an extract from a report that summarises French research on gene flow carried out by Cetiom towards the end of the two-year French moratorium on genetically-modified oilseed rape and sugar beet.
Mots clés : oilseed rape / gene flow / herbicide tolerant / environment / pollen dispersal / seed dispersal / GMO / crop management
© John Libbey Eurotext 2000
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