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Department of Entomology

ISU Entomology / Response of Spodoptera frugiperda and Agrotis ipsilon to Bt Corn Event 1507 and Implications for Insect Resistance Management

Response of Spodoptera frugiperda and Agrotis ipsilon to Bt Corn Event 1507 and Implications for Insect Resistance Management

Monday, January 28th at 4:10pm, in E164 Lagomarcino Hall
Rachel Binning, Department of Entomology, ISU and DuPont Pioneer
Abstract: Transgenic corn expressing toxins derived from the bacterium Bacillus thuringiensis (Bt) was developed primarily for the management of North American pests. However, most Bt corn products are also cultivated outside of North America where different pests are exposed. As Bt corn is commercialized in new geographies, plans for insect resistance management (IRM) must consider these new pest and toxin combinations. Fall armyworm (Spodoptera frugiperda) and black cutworm (Agrotis ipsilon) are examples of global pests with unique biology and susceptibility to Cry1F (expressed in event 1507 corn). The behavioral and toxic responses of both species to 1507 corn were tested. The role of susceptibility and avoidance will be discussed in an IRM context.
PhD dissertation seminar