2001
DOI: 10.1016/s0167-8809(00)00174-2
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GeneSys: a model of the influence of cropping system on gene escape from herbicide tolerant rapeseed crops to rape volunteers

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Cited by 131 publications
(79 citation statements)
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“…Kubik et al, 1999. While the results presented here relate to a gene-flow proof of concept study only, and we firmly believe that all GM crop risk assessment should ultimately focus on the ecological impact of a novel trait rather than the breeding technology that facilitated it Tiedje et al, 1989), there is an underlying need for this kind of research that perhaps has been overlooked by McHughen (2006). The use of pre-existing non-GM cultivars in gene-flow studies allows us to estimate parameters for the various components that make up broader composite gene flow models such as GENESYS (Colbach et al, 2001) and the Gene Flow Index (GFI) model of Flannery et al (2005). This is particularly true where high levels of variance in natural dispersal and recruitment patterns for particular GFI components (such as gene flow between wild populations and seedling recruitment from harvest spillage) imply unacceptable risks for the experimental release of GM cultivars.…”
Section: Discussionmentioning
confidence: 99%
“…Kubik et al, 1999. While the results presented here relate to a gene-flow proof of concept study only, and we firmly believe that all GM crop risk assessment should ultimately focus on the ecological impact of a novel trait rather than the breeding technology that facilitated it Tiedje et al, 1989), there is an underlying need for this kind of research that perhaps has been overlooked by McHughen (2006). The use of pre-existing non-GM cultivars in gene-flow studies allows us to estimate parameters for the various components that make up broader composite gene flow models such as GENESYS (Colbach et al, 2001) and the Gene Flow Index (GFI) model of Flannery et al (2005). This is particularly true where high levels of variance in natural dispersal and recruitment patterns for particular GFI components (such as gene flow between wild populations and seedling recruitment from harvest spillage) imply unacceptable risks for the experimental release of GM cultivars.…”
Section: Discussionmentioning
confidence: 99%
“…However, they may find ready application elsewhere, to the many ongoing studies across Europe on gene flow in maize , oil seed rape (Chèvre et al 2001;Colbach et al 2001;Thalmann et al 2001), beet (Bartsch et al 1999;Vigouroux et al 1999;Biancardi & Bartsch 2001), lettuce (Van de Wiel et al 2001), rice (Gressell & Rotteveel 2000;Lupotto 2000) and other transgenic crops.…”
Section: Discussionmentioning
confidence: 99%
“…Le détail de ce modèle temporel est donné par Colbach et al [11]. Dans cette partie ne sont présentés que les principes généraux du modèle temporel.…”
Section: Brève Présentation Du Modèle Temporelunclassified
“…Il s'agit notamment de la survie des graines dans le sol [12], des mouvements de graines suite au travail du sol [13], des taux de mortalité liée aux herbicides [14,15], de la formation d'adultes [16,17], de fleurs et de graines en culture de colza [18] et des pertes de graines à la récolte [3,19] ; -des modèles existants, essentiellement Ceres-Colza [20,21] dont les simulations ont servi à établir des fonctions déterminant les dates de floraison en fonction des dates de semis/levée du colza ; -des enquêtes et essais mis en place spécifiquement pour établir la distribution des levées de colza au cours de l'année, les taux de levée dans des sols non travaillés, l'effet de la profondeur des graines sur la levée, la production d'adultes, de fleurs et de graines pour les repousses de colza dans des cultures autres que le colza et dans les jachères et l'effet du broyage sur ces mêmes productions [11].…”
Section: Brève Présentation Du Modèle Temporelunclassified
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