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Genes 2016, 7(1), 3; doi:10.3390/genes7010003

Long-Term Monitoring of Field Trial Sites with Genetically Modified Oilseed Rape (Brassica napus L.) in Saxony-Anhalt, Germany. Fifteen Years Persistence to Date but No Spatial Dispersion

Saxony-Anhalt State Office for Environmental Protection, Reideburger Str. 47, 06116 Halle/Saale, Germany
Academic Editor: J. Peter W. Young
Received: 27 October 2015 / Revised: 9 January 2016 / Accepted: 12 January 2016 / Published: 16 January 2016
(This article belongs to the Section Population and Evolutionary Genetics and Genomics)
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Abstract

Oilseed rape is known to persist in arable fields because of its ability to develop secondary seed dormancy in certain agronomic and environmental conditions. If conditions change, rapeseeds are able to germinate up to 10 years later to build volunteers in ensuing crops. Extrapolations of experimental data acted on the assumption of persistence periods for more than 20 years after last harvest of rapeseed. Genetically-modified oilseed rape—cultivated widely in Northern America since 1996—is assumed not to differ from its conventional form in this property. Here, experimental data are reported from official monitoring activities that verify these assumptions. At two former field trial sites in Saxony-Anhalt genetically-modified herbicide-resistant oilseed rape volunteers are found up to fifteen years after harvest. Nevertheless, spatial dispersion or establishment of GM plants outside of the field sites was not observed within this period. View Full-Text
Keywords: genetically modified (GM) plants; field trial; oilseed rape (OSR); Brassica napus; herbicide resistance; glufosinate; volunteers; persistence; dormancy; monitoring genetically modified (GM) plants; field trial; oilseed rape (OSR); Brassica napus; herbicide resistance; glufosinate; volunteers; persistence; dormancy; monitoring
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Belter, A. Long-Term Monitoring of Field Trial Sites with Genetically Modified Oilseed Rape (Brassica napus L.) in Saxony-Anhalt, Germany. Fifteen Years Persistence to Date but No Spatial Dispersion. Genes 2016, 7, 3.

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