Northwest and Allee Research and Demonstration Farm
The purpose of this study was to evaluate Smartstax corn, Herculex XTRA, and a nonBt true isoline for control of corn earworm. Data collected include stand counts, total kernels, and damaged kernels.
Iowa State University
Gassmann, Aaron J. and Weber, Patrick J., "Evaluation of Smartstax, Herculex XTRA, and Conventional Corn for Control of Corn Earworm" (2011). Iowa State Research Farm Progress Reports. 266.