Practice Sound Stewardship

Proper stewardship–from seed to market–is critical to maintaining the longevity of, and access to, Herculex® I Insect Protection technology, Dow AgroSciences actively supports and participates in industry educational programs designed to protect the effectiveness of this technology and the integrity of U.S. grain.


Insect Resistance Management Ensure the effectiveness of Bt technology through responsible management. Growers must follow all resistance management guidelines, including:
  • Planting a non-Bt refuge within 1/2 mile of Bt hybrids.
  • Planting 20% of corn acres as a non-Bt refuge, except in corn/cotton growing areas that require a 50% non-Bt refuge.


Market Choices Grain harvested from products that bear this mark is fully approved for food and feed use in the United States and Japan, but is not approved in the European Union. You must find a market for this crop that will not ship this grain or its processed products to Europe. Appropriate markets for this grain include: domestic feed use or grain handlers that specifically agree to accept this grain and handle it appropriately. For more information on your grain market options, go to the American Seed Trade Association's website at www.amseed.org or call your seed supplier.

MARKET CHOICES is a certification mark used under license from ASTA.