Glufosinate Tolerant Corn

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Glufosinate Tolerant Corn is genetically engineered corn that has had its DNA modified to withstand the herbicide Glufosinate. (Glufosinate is also referred to as Phosphinothricin and it is sold under the brand names Basta, Ignite, and Liberty.) Herbicide tolerant crops and genetically modified organisms like glufosinate tolerant corn are controversial around the world.

Brands and Manufacturers

Bayer CropScience:[1]

Dow Agrosciences and Pioneer Hi-Bred:


Pioneer Hi-Bred (DuPont):[2]

  • Some varieties of Optimum® AcreMax®







  • January: AgrEvo announces that Garst Seed Co. "will be the first seed marketer to commercialize Cry9C Bt/Liberty Link Corn Hybrids. These are also insect-and herbicide-resistant but are pending regulatory approval. Garst has four G-Stac Bt hybrids planned for spring of 1998... The Cry9C Bt/Liberty Link (Bacilus thuringiensis) gene for corn plants produces a protein with a new insect control "site of action" that targets the European corn borer. This gene was developed by Plant Genetics Systems (PGS), a company belonging to AgrEvo. The Cry9C gene is coupled with another gene that provides resistance to Liberty Herbicide."[6]
  • May 8: The U.S. deregulates AgrEvo's glufosinate tolerant and Lepidopteran Resistant Corn, CBH-351
  • May 14: The U.S. deregulates Pioneer Hi-Bred's glufosinate tolerant corn with a Terminator Gene, 676, 678, 680



Articles and resources

Related SourceWatch articles


  1. A Compendium of Corn Biotech Traits, Accessed August 12, 2012.
  2. Optimum AcreMax, Accessed August 13, 2012.
  3. Organic Center Presentation.
  4. Robert Steyer, "U.S. OKs Sale of German Herbicide; Weedkiller Akin to Monsanto Roundup," St. Louis Post-Dispatch, January 21, 1997.
  5. "Liberty Herbicide Label Change Underscores Importance of Hybrids Approved by AgrEvo," PR Newswire, March 7, 1997.
  6. "Collaboration in Biotech Companies," Food Ingredient News, Fortifiers and Nutraceuticals, Vol. 6, No. 1, January 1998.

External resources

External articles

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