Estimates of genetically modified oilseed in shared farming machinery

Allnutt, T., Blackburn, J., Copeland, J., Dennis, C., Dixon, J., Laybourn, R., Wontner-Smith, T., Chisholm, J., Hugo, S. and Henry, C. 2013, Estimates of genetically modified oilseed in shared farming machinery, Annals of applied biology, vol. 162, no. 1, pp. 119-130, doi: 10.1111/aab.12007.

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Title Estimates of genetically modified oilseed in shared farming machinery
Author(s) Allnutt, T.ORCID iD for Allnutt, T.
Blackburn, J.
Copeland, J.
Dennis, C.
Dixon, J.
Laybourn, R.
Wontner-Smith, T.
Chisholm, J.
Hugo, S.
Henry, C.
Journal name Annals of applied biology
Volume number 162
Issue number 1
Start page 119
End page 130
Total pages 12
Publisher Wiley
Place of publication London, Eng.
Publication date 2013-01
ISSN 0003-4746
Summary Adventitious presence of genetically modified crops (AGMP) in their non-GM counterparts is an important problem in the EU, where a policy of coexistence between the two is being sought. The economic impacts of AGMP could be severe and could prevent the practical application of GM coexistence measures. To date, research has concentrated on the contribution of pollen gene flow as the major source of AGMP, while other sources have not been investigated. We have examined the potential for AGMP from the use of shared farm equipment and transport, which has previously been assumed to have a low contribution. Oilseed rape (OSR) was examined in a typical UK production regime including tillage, sowing, spraying, harvesting and grain drying. At each stage in the process, OSR in the machinery was measured and its potential for AGMP calculated. In sowing and grain drying, mustard grain was used as a proxy for GM grain and was measured during the processes by real-time PCR quantification to give estimates of GM dilution rates during the processes. The effects of cleaning and other mitigation methods were examined. Total potential AGMP was estimated at 1.47% when no mitigation was performed, and 0.08% when machinery was cleaned. The best measures for avoiding this type of AGMP are presented in the context of the specific UK agriculture examined in this study.
Language eng
DOI 10.1111/aab.12007
Field of Research 060499 Genetics not elsewhere classified
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2012, Association of Applied Biologists
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