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
GT/LL
See dealer
RR2
5% in bag
AcreMax CRW (AMRW) Cry34/35Ab1
GT/LL
See dealer
RR2
10% in bag
AcreMax Leptra Cry1Ab, Cry1F, Vip3A
GT/LL
See dealer
5% in bag
AcreMax TRIsect Cry1Ab, Cry1F, mCry3A
GT/LL
See dealer
RR2
10% in bag
AcreMax Xtra Cry1Ab, Cry1F, Cry34/35Ab1
GT/LL
See dealer
RR2
10% in bag
AcreMax Xtreme Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
GT/LL
See dealer
RR2
5% in bag
AcreMax1 Cry1F, Cry34/35Ab1
GT/LL
See dealer
RR2
10% in bag
20% ECB
Agrisure 3000GT Cry1Ab, mCry3A
GT/LL
See dealer
RR2
20%
Agrisure 3010 Cry1Ab
GT/LL
See dealer
RR2
20%
Agrisure 3010A Cry1Ab
GT/LL
See dealer
RR2
20%
Agrisure 3011A Cry1Ab, mCry3A
GT/LL
See dealer
RR2
20%
Agrisure 3120 EZ Refuge Cry1Ab, Cry1F
Depends on hybrid; see bag for code EZ0 (GT) or EZ1 (GT LL)
5% in bag
Agrisure 3122 EZ Refuge Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
Depends on hybrid; see bag for code EZ0 (GT) or EZ1 (GT LL)
5% in bag
Agrisure Duracade 5122 EZ Refuge Cry1Ab, Cry1F, eCry3.1Ab, mCry3A
Depends on hybrid; see bag for code EZ0 (GT) or EZ1 (GT LL)
5% in bag
Agrisure Duracade 5222 EZ Refuge Cry1Ab, Cry1F, eCry3.1Ab, mCry3A, Vip3A
Depends on hybrid; see bag for code EZ0 (GT) or EZ1 (GT LL)
5% in bag
Agrisure Viptera 3110 Cry1Ab, Vip3A
GT/LL
See dealer
RR2
20%
Agrisure Viptera 3111 CryAb, mCry3A, Vip3A
GT/LL
See dealer
RR2
20%
Agrisure Viptera 3220 EZ Refuge Cry1Ab, Cry1F, Vip3A
Depends on hybrid; see bag for code EZ0 (GT) or EZ1 (GT LL)
5% in bag
Herculex I Cry1F
GT/LL
See dealer
RR2
20%
Herculex RW Cry34/35Ab1
GT/LL
See dealer
RR2
20%
Herculex XTRA Cry1F, Cry34/35Ab1
GT/LL
See dealer
RR2
20%
Intrasect Cry1Ab, Cry1F
GT/LL
See dealer
RR2
5%
Intrasect TRIsect Cry1Ab, Cry1F, mCry3A
GT/LL
See dealer
RR2
20%
Intrasect Xtra Cry1Ab, Cry1F, Cry34/35Ab1
GT/LL
See dealer
RR2
20%
Intrasect Xtreme Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
GT/LL
See dealer
RR2
5%
Leptra Cry1Ab, Cry1F, Vip3A
GT/LL
See dealer
RR2
5%
Powercore Cry1A.105, Cry1F, Cry2Ab2
GT/LL
See dealer
RR2
5%
Powercore Refuge Advanced Cry1A.105, Cry1F, Cry2Ab2
GT/LL
See dealer
RR2
5% in bag
QROME Cry1Ab, Cry1F, Cry34/35Ab1, mCry3A
GT/LL
See dealer
RR2
5% in bag
SmartStax Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
GT/LL
See dealer
RR2
5%
SmartStax Refuge Advanced Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
GT/LL
See dealer
RR2
5% in bag
SmartStax RIB Complete Cry1A.105, Cry1F, Cry2Ab2, Cry34/35Ab1, Cry3Bb1
GT/LL
See dealer
RR2
5% in bag
Trecepta Cry1A.105, Cry2Ab2, Vip3A
GT/LL
RR2
5%
Trecepta RIB Complete Cry1A.105, Cry2Ab2, Vip3A
GT/LL
RR2
5% in bag
TRIsect Cry1F, mCry3A
GT/LL
See dealer
RR2
20%
VT Double PRO Cry1A.105, Cry2Ab2
GT/LL
RR2
5%
VT Double PRO RIB Complete Cry1A.105, Cry2Ab2
GT/LL
RR2
5% in bag
VT Triple PRO Cry1A.105, Cry2Ab2, Cry3Bb1
GT/LL
RR2
20%
VT Triple PRO RIB Complete Cry1A.105, Cry2Ab2, Cry3Bb1
GT/LL
RR2
10% in bag
Yieldgard Corn Borer Cry1Ab
GT/LL
RR2
20%
Yieldgard Rootworm Cry3Bb1
GT/LL
RR2
20%
Yieldgard VT Triple Cry1Ab, Cry3Bb1
GT/LL
RR2
20%