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Crop Biotech Update

US EPA Approves Syngenta's Dual Modes of Insect Protection with Five Percent Refuge

July 29, 2011

The US Environmental Protection Agency (EPA) has granted registration approval for the corn Agrisure®3122 trait stack developed by Syngenta. The genetically modified corn features dual modes of action for both corn rootworm and corn borer, and herbicide tolerance. It thus contain five different genes: Agrisure® CB/LL trait, to protect corn from European corn borer; the Agrisure® RW trait, against corn rootworm; the Herculex® I trait for corn borer; the Herculex® RW trait for corn rootworm; and the Agrisure GT trait for glyphosate tolerance.

The Agrisure®3122 trait stack is designed for areas where corn rootworm management is a significant problem and will be marketed as a five percent structured refuge by 2012.

See the Syngenta Press Release at