Indiana CCA Conference 2019 Presentation



Pest Management
Wed, Dec 18, 2019
11:00am to 11:50am


Pest Management
Wed, Dec 18, 2019
4:00pm to 4:50pm


Bt corn, modified to express insecticidal proteins, was introduced in 1996 to control European corn borer (ECB) in North America. Insect resistance management (IRM) strategies developed to prevent resistance development to Bt corn have been highly successful for ECB as no cases of resistance were identified in more than 20 years of resistance monitoring. In 2018, the first case of practical resistance (field failure) was discovered in Nova Scotia, Canada from fields of Cry1F Bt corn. The risk of resistance in other regions, possible causes of resistance, and how to manage ECB before and after field-evolved resistance will be discussed.


Jocelyn Smith

University of Guelph

Jocelyn Smith is a research scientist in field crop entomology, specializing in insect resistance management for transgenic corn. Her research activities include collaboration with commodity organizations, seed and pesticide industries, public researchers, and government specialists to develop management strategies for key pests in corn, soybeans, and wheat in Ontario, Canada.