November 5, 2003



UK Evidence Shows No Problem for Co-Existence of GM & Non-GM Crops

PG Economics Ltd, a British firm of consultants to the plant genetic, agricultural, agricultural supply, trade and food industries, released a research paper on the co-existence of genetically modified (GM) and non-GM crops. The report is a case study of corn (maize) grown in Spain, where Bt corn has been grown for six years. The authors say the report offers a case study that is unique in the EU.


Evidence to date shows conventional, biotech and organic corn production have co-existed without economic and commercial problems, as reported. 


Based on market-driven adherence to on/post farm segregation and by the purchase of corn from regions where there has been limited adoption of Bt maize, non-GM maize supplies have been relatively easily obtained, the report found.


Two isolated instances of GMO adventitious presence in organic corn crops were reported in 2001.


"The likelihood of co-existence problems arising remains fairly limited, even if there is a significant expansion in both the areas planted to GM crops and to organic maize," the author concluded.


PG Economics says its clients come from both public and private sectors, including leading biotechnology companies, agro-chemical manufacturers, seed companies & plant breeders, breakfast cereal manufacturers, food processors, starch/sweetener manufacturers, Farmers organisations and the European Commission. 

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