Evaluation of the impact of flows of tolerant transgenic organisms to various broad-spectrum herbicides
2000
Astoin, M.F. (Centre Technique Interprofessionnel des Oleagineux Metropolitains, Thiverval Grignon (France)) | Champolivier, J. | Messean, O.
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). Two main impacts of the release of such varieties in French agricultural systems were identified: 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
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