Northwest and Allee Research and Demonstration Farm
The purpose of this study was to evaluate Smartstax corn (Dekalb DKC 61-21) compared with VT Triple, VT Triple Pro, Herculex XTRA, and a non-Bt near isoline. Data were collected on injury from corn rootworm and corn earworm.
Iowa State University
Gassmann, Aaron J. and Weber, Patrick J., "Evaluation of Smartstax, VT Triple Pro, and Herculex XTRA" (2010). Iowa State Research Farm Progress Reports. 418.