Handy Bt Trait Table for U.S. Corn Production

The table below has a column titled 'Resistance to a Bt protein in the trait package has developed in:' to highlight insect x Bt combinations with documented field-failures, confirmed resistance, or cross-resistance. These statements are based on published lab assays &/or field research. This view of the Bt Table is intended to alert growers and consultants to potential management problems, influence seed selection, and encourage field scouting. Citations for resistance statements can be found here.

Trait packages in alphabetical order (acronym) Bt Protein(s) in the trait package Marketed for control of: *Resistance to a Bt protein in the trait package has developed in: Herbicide traits Non-trait Refuge % (cornbelt)
AcreMax (AM) Cry1Ab, Cry1F
AcreMax CRW (AMRW) Cry34/35Ab1
AcreMax Leptra Cry1Ab, Cry1F, Vip3A
AcreMax TRIsect Cry1Ab, Cry1F, mCry3A
AcreMax Xtra Cry1Ab, Cry1F, Cry34/35Ab1
AcreMax Xtreme Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
AcreMax1 Cry1F, Cry34/35Ab1
Agrisure 3000GT Cry1Ab, mCry3A
Agrisure 3010 Cry1Ab
Agrisure 3010A Cry1Ab
Agrisure 3011A Cry1Ab, mCry3A
Agrisure 3120 EZ Refuge Cry1Ab, Cry1F
Agrisure 3122 EZ Refuge Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
Agrisure Duracade 5122 EZ Refuge Cry1Ab, Cry1F, eCry3.1Ab, mCry3A
Agrisure Duracade 5222 EZ Refuge Cry1Ab, Cry1F, eCry3.1Ab, mCry3A, Vip3A
Agrisure Viptera 3110 Cry1Ab, Vip3A
Agrisure Viptera 3111 CryAb, mCry3A, Vip3A
Agrisure Viptera 3220 EZ Refuge Cry1Ab, Cry1F, Vip3A
Herculex I Cry1F
Herculex RW Cry34/35Ab1
Herculex XTRA Cry1F, Cry34/35Ab1
Intrasect Cry1Ab, Cry1F
Intrasect TRIsect Cry1Ab, Cry1F, mCry3A
Intrasect Xtra Cry1Ab, Cry1F, Cry34/35Ab1
Intrasect Xtreme Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
Leptra Cry1Ab, Cry1F, Vip3A
Powercore Cry1A.105, Cry1F, Cry2Ab2
Powercore Refuge Advanced Cry1A.105, Cry1F, Cry2Ab2
QROME Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
SmartStax Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
SmartStax Refuge Advanced Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
SmartStax RIB Complete Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
Trecepta Cry1A.105, Cry2Ab2, Vip3A
Trecepta RIB Complete Cry1A.105, Cry2Ab2, Vip3A
TRIsect Cry1F, mCry3A
VT Double PRO Cry1A.105, Cry2Ab2
VT Double PRO RIB Complete Cry1A.105, Cry2Ab2
VT Triple PRO Cry1A.105, Cry2Ab2, Cry3Bb1
VT Triple PRO RIB Complete Cry1A.105, Cry2Ab2, Cry3Bb1
Yieldgard Corn Borer Cry1Ab
Yieldgard Rootworm Cry3Bb1
Yieldgard VT Triple Cry1Ab, Cry3Bb1