fitness costs

Amanda (Hoffmann) Sorgatz

Area of Expertise: 
Fitness Costs of Bt Resistance
M.S. in Entomology from Iowa State University

For her master's degree, Amanda tested whether the ecological important variables of host-plant resistance and entomopathogens could affect the magnitude and dominance of fitness costs associated with resistance to Cry3Bb1 in western corn rootworm.


Keweshan, R. S., Head, G. P., and Gassmann, A. J.  In Press.  Effects of pyramided Bt corn and blended refuges on western corn rootworm and northern corn rootworm (Coleoptera: Chrysomelidae).  Journal of Economic Entomology.

Deitloff, J., Dunbar, M. W., Ingber, D. A., Hibbard, B. E., and Gassmann, A. J.  In Press.  Effects of refuges on the evolution of resistance to transgenic corn by western corn rootworm.  Pest Management Science. Read more about Publications

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