Swiss soiled seed prompts tolerance question

Text: On July 1, the Swiss government’s tolerance standard for genetic purity of food comes into effect. Switzerland is the first country in Europe to set a limit for genetic contamination, but current controversy over genetically contaminated corn seeds highlights the urgent EU-wide need for such a standard for crops.

Citation: Fürst, I., 1999. Swiss soiled seed prompts tolerance question. Nature Biotechnology, 17(7), p.629.