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Long-term persistence of GM oilseed rape in the seedbank

D'Hertefeldt, Tina LU ; Jørgensen, Rikke B. and Pettersson, Lars LU (2008) In Biology Letters 4(3). p.314-317
Abstract
Coexistence between genetically modified (GM) and non-GM plants is a field of rapid development and considerable controversy. In crops, it is increasingly important to understand and predict the GM volunteer emergence in subsequent non-GM crops. Theoretical models suggest recruitment from the seedbank over extended periods, but empirical evidence matching these predictions has been scarce. Here, we provide evidence of long-term GM seed persistence in conventional agriculture. Ten years after a trial of GM herbicide-tolerant oilseed rape, emergent seedlings were collected and tested for herbicide tolerance. Seedlings that survived the glufosinate herbicide (15 out of 38 volunteers) tested positive for at least one GM insert. The resulting... (More)
Coexistence between genetically modified (GM) and non-GM plants is a field of rapid development and considerable controversy. In crops, it is increasingly important to understand and predict the GM volunteer emergence in subsequent non-GM crops. Theoretical models suggest recruitment from the seedbank over extended periods, but empirical evidence matching these predictions has been scarce. Here, we provide evidence of long-term GM seed persistence in conventional agriculture. Ten years after a trial of GM herbicide-tolerant oilseed rape, emergent seedlings were collected and tested for herbicide tolerance. Seedlings that survived the glufosinate herbicide (15 out of 38 volunteers) tested positive for at least one GM insert. The resulting density was equivalent to 0.01 plants m−2, despite complying with volunteer reduction recommendations. These results are important in relation to debating and regulating coexistence of GM and non-GM crops, particularly for planting non-GM crops after GM crops in the same field. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
temporal gene flow, transgene, Brassica napus, seed, volunteer
in
Biology Letters
volume
4
issue
3
pages
314 - 317
publisher
Royal Society
external identifiers
  • wos:000255503000025
  • scopus:43249096195
ISSN
1744-9561
DOI
10.1098/rsbl.2008.0123
language
English
LU publication?
yes
id
e5ee3271-b272-4882-a1f2-3eb6bd2fe86c (old id 1405825)
date added to LUP
2009-05-29 12:56:46
date last changed
2017-02-05 03:43:53
@article{e5ee3271-b272-4882-a1f2-3eb6bd2fe86c,
  abstract     = {Coexistence between genetically modified (GM) and non-GM plants is a field of rapid development and considerable controversy. In crops, it is increasingly important to understand and predict the GM volunteer emergence in subsequent non-GM crops. Theoretical models suggest recruitment from the seedbank over extended periods, but empirical evidence matching these predictions has been scarce. Here, we provide evidence of long-term GM seed persistence in conventional agriculture. Ten years after a trial of GM herbicide-tolerant oilseed rape, emergent seedlings were collected and tested for herbicide tolerance. Seedlings that survived the glufosinate herbicide (15 out of 38 volunteers) tested positive for at least one GM insert. The resulting density was equivalent to 0.01 plants m−2, despite complying with volunteer reduction recommendations. These results are important in relation to debating and regulating coexistence of GM and non-GM crops, particularly for planting non-GM crops after GM crops in the same field.},
  author       = {D'Hertefeldt, Tina and Jørgensen, Rikke B. and Pettersson, Lars},
  issn         = {1744-9561},
  keyword      = {temporal gene flow,transgene,Brassica napus,seed,volunteer},
  language     = {eng},
  number       = {3},
  pages        = {314--317},
  publisher    = {Royal Society},
  series       = {Biology Letters},
  title        = {Long-term persistence of GM oilseed rape in the seedbank},
  url          = {http://dx.doi.org/10.1098/rsbl.2008.0123},
  volume       = {4},
  year         = {2008},
}