EFFICACY OF VD7COT FOR CONTROL OF THE BOLLWORM/TOBACCO BUDWORM COMPLEXIN NORTHWEST LOUISIANA

摘要

A trial was conducted in 2004 at the Red River Research Station in Bossier City, LA, (Bossier Parish) to assess the efficacy of VipCot cotton lines in controlling the bollworm/ tobacco budworm complex under field conditions. The trial was designed toevaluate several VipCot lines for bollworm/tobacco budworm control under sprayed (based on thresholds) and non-sprayed conditions. In general, all transgenic strains had significantly less damage and larval infestation in squares, flowers, and bolls compared to Coker 312 whether from sprayed or non-sprayed main plots. Although few significant differences occurred among the VipCot lines, Cot 202 and 203 consistently had less damage and lower larval infestations in squares, flowers and bolls compared to Cot 102.