Agriculture Reference
In-Depth Information
Table 8. Adoption of genetically engineered varieties by U.S. corn
producers, 2010
GE traits (percent adopters)
Bt
only
Seed Type
HT
only
Bt/
HT
No
GE
1. Genetically modified
herbicide resistant
seed variety (
e.g. LIBERTYLINK;
ROUNDUP READY CORN
)
21.36
2. Non-genetically modified
herbicide
resistant
seed variety (
e.g. IMI-CORN
)
3.48
3. Genetically-modified
Bt
variety for insect
resistance to control the European Corn Borer
(
Bt-ECB
) (
e.g. YIELDGARD, YIELDGARD
CORN BORER, HERCULEX I,
NATUREGARD, KNOCKOUT
)
7.12
4. Genetically modified
Bt
variety for insect
resistance to control the corn rootworm (
Bt-
CRW
) (
e.g. YIELDGARD ROOT-WORM,
HERCULEX RW
)
3.06
5.
Stacked
gene (trait) variety with both gen-
etically modified
Bt-ECB
and
Bt-CRW
(
e.g.
YIELDGARD PLUS, HERCULEX XTRA
)
3.81
6.
Stacked
gene variety with
two
genetically
modified herbi-cide resistant traits (
e.g.
LIBERTYLINK + ROUNDUP READY
)
3.73
7.
Stacked
gene variety with both genetically
modified
Bt-ECB
and
herbicide resistant
(
e.g. YIELDGARD + ROUNDUP READY,
YIELDGARD CORN BORER WITH
ROUNDUP READY CORN 2, HERCULEX I
+ LIBERTYLINK
)
9.77
8.
Stacked
gene variety with both genetically
modified
Bt-CRW
and
herbicide resistant
(
e.g. YIELDGARD ROOT-WORM WITH
ROUNDUP READY CORN 2, HERCULEX
CW + ROUNDUP READY CORN
)
8.03
9.
Triple stacked
gene variety with
genetically modified
Bt-ECB
and
Bt-CRW
plus
herbicide resistant
traits (
e.g. YIELD-
GARD PLUS WITH ROUNDUP READY
CORN 2, HERCULEX XTRA +
LIBERTYLINK
)
25.91
