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Performance of Bollgard II Arkansas, 2003

P.R. Smith, G.M. Lorenz, III, D.R. Johnson, W.H. Robertson, and D. Plunkett


Bollgard® II was compared to Bollgard® and conventional (i.e. non-Bt) cotton at the Hooker Farm in Jefferson County, AR in order to observe effectiveness against the Heliothine complex and various lepidopterous pests. In the trial Bollgard® II and Bollgard® performed marginally better when compared to conventional cotton with respect to square, bloom and boll damage. Bollgard® II performed significantly better than Bollgard® and conventional cotton with respect to soybean looper defoliation. Bollgard® and Bollgard® II statistically significantly out yielded conventional cotton. Further evaluations of Bollgard® II will be necessary to determine feasibility for Arkansas cotton production.

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Document last modified 04/27/04