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Étude de la dispersion atmosphérique du pollen de maïs : contribution à la maîtrise des risques de pollinisation croisée

Abstract : Maize is one of the most cultivated plants in the world. For over five centuries people have been adapting it to better fit their needs. Selective breeding, cross-breeding and more recently, genetic engineering have led to numerous varieties of maize. Cross pollination has become a subject of scientific inquiry. In relation to co-existence of genetically modified crops with conventional and organic crops, it is now a major concern. This work aims at
better understanding the release and dispersion processes of maize pollen through a mechanistic approach rather than the statistical approach typically used to evaluate outcrossing. The approach in this study is twofold. Firstly, because existing data do not
include enough parameters, field experiments were set up and carried out. Secondly, a mechanistic model initially developed for atmospheric ammonia dispersion was adapted to maize pollen dispersion.
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Submitted on : Wednesday, December 1, 2004 - 4:36:29 PM
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  • HAL Id : tel-00007521, version 1
  • PRODINRA : 318758

Citation

Nathalie Jarosz. Étude de la dispersion atmosphérique du pollen de maïs : contribution à la maîtrise des risques de pollinisation croisée. Biologie végétale. INAPG (AgroParisTech), 2003. Français. ⟨NNT : 2003INAP0031⟩. ⟨tel-00007521⟩

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