Integrated Crop Management News

Document Type


Publication Date



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:

Copyright Owner

Iowa State University



File Format





The Iowa State University Digital Repository provides access to Integrated Crop Management News for historical purposes only. Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user. Users should make their own assessment of the information and whether it is suitable for their intended purpose. For current information on integrated crop management from Iowa State University Extension and Outreach, please visit