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Agricultural practice changes with cultivating genetically modified herbicide-tolerant oilseed rape
- Graef, F., Stachow, U., Werner, A., Schütte, G.
- Agricultural systems 2007 v.94 no.2 pp. 111-118
- canola, herbicide resistance, transgenic plants, Brassica napus var. napus
- To facilitate weed suppression, oilseed rape or canola (Brassica napus) has been genetically modified (GM) over the last two decades to incorporate herbicide tolerance (HT). The introduction of oilseed rape in commercial agriculture raises concerns about potential adverse agronomic and environmental effects linked to both the genetic modification and altered agricultural practice. How will this new crop modify the existing cropping practice? What are the potential agro-environmental implications of its introduction? This paper analyses and schematises recorded and conceivable agricultural practice changes with GMHT oilseed rape introduction and its likely agro-environmental effects. It develops a conceptual systematics of influencing factors, subsequent practice changes and likely agro-environmental effects. The results can be used to design the mandatory monitoring of adverse GM crop effects.