Every year Iowa State University (ISU) Extension and Outreach provides private pesticide applicator training covering a variety of pesticide safety and pest management issues. In response to reported incidences of Bt-resistant corn rootworm, a series of remote “clicker” questions were developed to survey current corn rootworm management practices and assess the degree to which farmers perceived resistance in 2012. The questions were asked at 153 pesticide applicator training sessions facilitated by extension field agronomists. More than 8,100 meeting participants responded to the six multiple-choice questions. Responses were anonymous and not everyone answered every question. Here are the statewide summaries of selected questions from the survey based on percentages of respondents:
Iowa State University
Hodgson, Erin W.; Schaefer, Kristine J. P.; and Gassmann, Aaron J., "Iowa Farmer Perception of Corn Rootworm Resistance" (2013). Integrated Crop Management News. 19.
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