Agrow is part of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC’s registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

This copy is for your personal, non-commercial use. Please do not redistribute without permission.

Printed By


Biotech Bits

Syngenta has introduced genetically engineered insect-resistant and herbicide-tolerant corn hybrids with reduced refuge requirements for above- and below-ground pests in the United States. Agrisure Viptera 3220 provides a dual mode of action against above-ground pests and a 5% structured refuge. It combines Syngenta's MIR162 ( Bt Vip3A toxin), Bt11 (Cry1Ab) and Dow AgroSciences/DuPont's Herculex 1 (Cry1F). Agrisure Viptera 3122 provides dual modes of action against above- and below-ground pests and a 5% refuge. The variety combines Bt11, MIR604 (mCry3A), Herculex 1 and Herculex RW (Cry34Ab1 + Cry34Ab1). Syngenta is seeking approval for refuge-in-a-bag versions under the EZ-Refuge brand.



What to read next




Ask The Analyst

Please fill in the form below to send over your enquiry or check the Ask The Analyst Page to find out more about the service

Your question has been successfully sent to the email address below and we will get back as soon as possible. my@email.address.

All fields are required.

Please make sure all fields are completed.

Please make sure you have filled out all fields

Please make sure you have filled out all fields

Please enter a valid e-mail address

Please enter a valid Phone Number

Ask your question to our analysts