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YieldGard Corn Borer delivers whole-season, in-plant protection
against European and southwestern corn borer, for a zone of protection
throughout the stalk—from the time you plant until the time you
harvest.
- YieldGard Corn Borer produces healthier stalks from reduced stalk
damage and lodging caused by corn borers.
- With YieldGard Corn Borer, more moisture and nutrients are available
and utilized by the plant to produce healthier stalks.
- Healthier stalks allow YieldGard Corn Borer to maximize yield
potential and yield protection while reducing lodging and ear drop.
- YieldGard Corn Borer is more convenient for growers to use since it
reduces the amount of insecticide handled and the time spent scouting
for insect damage.
Refuge Requirements
Refuges must be established as follows:
- On each farm, plant up to 80 percent of the corn acres with B.t.
technology corn. Plant at least 20 percent of the corn acres to a corn
refuge that does not contain a B.t. technology for control of European
or southwestern corn borer. The refuge corn can be treated with
insecticides only when the level of pest pressure meets or exceeds
economic thresholds. Sprayable B.t. insecticides must not be applied
to the refuge corn.
- Plant the corn refuge within, adjacent to, or near B.t. technology
corn fields.
- The refuge must be placed within 1⁄2 mile of the B.t. technology corn
field (1⁄4 mile or closer preferred).
Refuge-Planting Details
Any corn hybrid that does not contain a B.t. technology for control
of European or southwestern corn borer and is planted on the same
grower’s farm within 1⁄2 mile of B.t. technology corn can serve as a
refuge.
- Plant a refuge on every farm where B.t. technology corn hybrids are
planted.
- Plant the refuge within 1⁄2 mile of (1⁄4 mile preferred), and at approximately
the same time as B.t. technology corn.
- Manage the refuge the same as B.t. technology corn is managed.
Reducing inputs or putting the refuge on marginal land reduces the
effectiveness of the refuge.
- Plant the refuge only with corn that does not contain a B.t. technology
for control of European or southwestern corn borer.
- Mixing non-B.t. seed with B.t. technology seed for use in the refuge is
not permitted.
- Refuge acres must be owned or managed by the same grower planting
B.t. technology.
Refuge Configuration Options
The refuge on each farm may be arranged in a number of configurations
that offer flexibility to easily incorporate an effective corn refuge into
farm operations. Options include:
 
Please refer to YieldGard IRM Guide for complete refuge configuration options.
For more information, please visit
the Monsanto web site >>
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