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United States Department of Agriculture

Agricultural Research Service

Research Project: Evaluate European Corn Borer Injury and Production from Optimum Acremax 2

Location: Corn Insects and Crop Genetics Research

Project Number: 3625-22000-017-14
Project Type: Trust

Start Date: Apr 30, 2010
End Date: Sep 30, 2014

Objective:
1) Determine how first- and second-generation ECB injury to blended refuge plants will compare to injury on plants in a separate, pure stand refuge planting; 2) Determine if the injury to HXX x MON810 plants adjacent to blended refuge plants will significantly change compared to injury to HXX x MON810 plants in a separate, pure stand planting; 3) Determine field-scale efficacy ratings for first- and second-generation ECB to characterize the overall field performance of HXX x MON810 when a low percentage of refuge plants are deployed in the field as a seed blend.

Approach:
This protocol utilizes small plot replicated trials to evaluate the efficacy of Herculex XTRA stacked with YieldGard Corn Borer (HXX x MON810) against first and second generation ECB when refuge plants are deployed as a seed blend. Data from these trials will be used to calculate weighted first- and second-generation ECB efficacy scores to assess the overall field-scale efficacy of the Optimum AcreMax 2 product concept against ECB.

Last Modified: 7/23/2014
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