Aaron J Gassmann

Summary

Affiliation: Iowa State University
Country: USA

Publications

  1. doi request reprint Western corn rootworm and Bt maize: challenges of pest resistance in the field
    Aaron J Gassmann
    Department of Entomology Iowa State University Ames, IA, USA
    GM Crops Food 3:235-44. 2012
  2. doi request reprint Field-evolved resistance to Bt maize by western corn rootworm: predictions from the laboratory and effects in the field
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA 50011, USA
    J Invertebr Pathol 110:287-93. 2012
  3. ncbi request reprint Effects of entomopathogenic nematodes on evolution of pink bollworm resistance to Bacillus thuringiensis toxin Cry1Ac
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA 50011, USA
    J Econ Entomol 105:994-1005. 2012
  4. doi request reprint Fitness costs of insect resistance to Bacillus thuringiensis
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, Iowa 50011, USA
    Annu Rev Entomol 54:147-63. 2009
  5. ncbi request reprint Effects of pink bollworm resistance to Bacillus thuringiensis on phenoloxidase activity and susceptibility to entomopathogenic nematodes
    Aaron J Gassmann
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 102:1224-32. 2009
  6. pmc Field-evolved resistance to Bt maize by western corn rootworm
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, Iowa, United States of America
    PLoS ONE 6:e22629. 2011
  7. ncbi request reprint Effects of refuge contamination by transgenes on Bt resistance in pink bollworm (Lepidoptera: Gelechiidae)
    Shannon Heuberger
    Department of Entomology, University of Arizona, 410 Forbes Building, Tucson, AZ 85721, USA
    J Econ Entomol 101:504-14. 2008
  8. ncbi request reprint Effect of Bt maize and soil insecticides on yield, injury, and rootworm survival: implications for resistance management
    Jennifer L Petzold-Maxwell
    Department of Entomology, Iowa State University, 13 Insectary, Ames, IA 50011, USA
    J Econ Entomol 106:1941-51. 2013
  9. ncbi request reprint Applying an integrated refuge to manage western corn rootworm (Coleoptera: Chrysomelidae): effects on survival, fitness, and selection pressure
    Jennifer L Petzold-Maxwell
    Department of Entomology, Iowa State University, 13 Insectary, Ames, IA 50011, USA
    J Econ Entomol 106:2195-207. 2013
  10. ncbi request reprint Effect of entomopathogenic nematodes on the fitness cost of resistance to Bt toxin crylac in pink bollworm (Lepidoptera: Gelechiidae)
    Aaron J Gassmann
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 99:920-6. 2006

Detail Information

Publications24

  1. doi request reprint Western corn rootworm and Bt maize: challenges of pest resistance in the field
    Aaron J Gassmann
    Department of Entomology Iowa State University Ames, IA, USA
    GM Crops Food 3:235-44. 2012
    ..Effectively dealing with the challenge of field-evolved resistance to Bt maize by western corn rootworm will require better adherence to the principles of integrated pest management...
  2. doi request reprint Field-evolved resistance to Bt maize by western corn rootworm: predictions from the laboratory and effects in the field
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA 50011, USA
    J Invertebr Pathol 110:287-93. 2012
    ..These first cases of field-evolved resistance to Bt maize by western corn rootworm provide an early warning and point to the need to apply better integrated pest management practices when using Bt maize to manage western corn rootworm...
  3. ncbi request reprint Effects of entomopathogenic nematodes on evolution of pink bollworm resistance to Bacillus thuringiensis toxin Cry1Ac
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA 50011, USA
    J Econ Entomol 105:994-1005. 2012
    ..riobrave in the selection experiments. The experimental and modeling results suggest that entomopathogenic nematodes could slow the evolution of pest resistance to Bt crops, but only under some conditions...
  4. doi request reprint Fitness costs of insect resistance to Bacillus thuringiensis
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, Iowa 50011, USA
    Annu Rev Entomol 54:147-63. 2009
    ..Because fitness costs vary with ecological conditions, refuges designed to increase the dominance or magnitude of fitness costs could be especially useful for delaying pest resistance...
  5. ncbi request reprint Effects of pink bollworm resistance to Bacillus thuringiensis on phenoloxidase activity and susceptibility to entomopathogenic nematodes
    Aaron J Gassmann
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 102:1224-32. 2009
    ..Incorporation of nematode-imposed fitness costs into a spatially explicit simulation model suggests that entomopathogenic nematodes in non-Bt refuges could delay resistance by pink bollworm to Bt cotton...
  6. pmc Field-evolved resistance to Bt maize by western corn rootworm
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, Iowa, United States of America
    PLoS ONE 6:e22629. 2011
    ..However, the evolution of resistance could cut short these benefits. A primary pest targeted by Bt maize in the United States is the western corn rootworm Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)...
  7. ncbi request reprint Effects of refuge contamination by transgenes on Bt resistance in pink bollworm (Lepidoptera: Gelechiidae)
    Shannon Heuberger
    Department of Entomology, University of Arizona, 410 Forbes Building, Tucson, AZ 85721, USA
    J Econ Entomol 101:504-14. 2008
    ..However, in hypothetical simulations where contamination conferred a selective advantage to rs over ss individuals in refuges, resistance evolution was accelerated...
  8. ncbi request reprint Effect of Bt maize and soil insecticides on yield, injury, and rootworm survival: implications for resistance management
    Jennifer L Petzold-Maxwell
    Department of Entomology, Iowa State University, 13 Insectary, Ames, IA 50011, USA
    J Econ Entomol 106:1941-51. 2013
    ..In addition, delays in emergence from Bt maize combined with insecticides could promote assortative mating among Bt-selected individuals, which may hasten resistance evolution...
  9. ncbi request reprint Applying an integrated refuge to manage western corn rootworm (Coleoptera: Chrysomelidae): effects on survival, fitness, and selection pressure
    Jennifer L Petzold-Maxwell
    Department of Entomology, Iowa State University, 13 Insectary, Ames, IA 50011, USA
    J Econ Entomol 106:2195-207. 2013
    ..We found no differences in susceptibility of larval progeny to Bt maize in bioassays using progeny of adults collected from the four treatments...
  10. ncbi request reprint Effect of entomopathogenic nematodes on the fitness cost of resistance to Bt toxin crylac in pink bollworm (Lepidoptera: Gelechiidae)
    Aaron J Gassmann
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 99:920-6. 2006
    ..Our results suggest that incorporation of entomopathogenic nematodes into an integrated resistance management strategy could help to delay pest resistance to Bt toxins...
  11. ncbi request reprint Effects of four nematode species on fitness costs of pink bollworm resistance to Bacillus thuringiensis toxin Cry1Ac
    Eugene R Hannon
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 103:1821-31. 2010
    ....
  12. ncbi request reprint High-level resistance to Bacillus thuringiensis toxin crylac and cadherin genotype in pink bollworm
    Bruce E Tabashnik
    Department of Entomology, University of Arizona, Tucson, AZ 85721, USA
    J Econ Entomol 99:2125-31. 2006
    ....
  13. ncbi request reprint Interactions among Bt maize, entomopathogens, and rootworm species (Coleoptera: Chrysomelidae) in the field: effects on survival, yield, and root injury
    Jennifer L Petzold-Maxwell
    Iowa State University, Dept of Entomology, 13 Insectary, Ames, IA 50126, USA corrected
    J Econ Entomol 106:622-32. 2013
    ..In addition, this study also showed that the addition of entomopathogens to soil contributed to an overall increase in yield...
  14. doi request reprint Insect resistance to Bt crops: evidence versus theory
    Bruce E Tabashnik
    Department of Entomology, University of Arizona, Tucson, Arizona 85721, USA
    Nat Biotechnol 26:199-202. 2008
    ..The field outcomes documented with monitoring data are consistent with the theory underlying the refuge strategy, suggesting that refuges have helped to delay resistance...
  15. ncbi request reprint Field-evolved resistance by western corn rootworm to multiple Bacillus thuringiensis toxins in transgenic maize
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA 50011
    Proc Natl Acad Sci U S A 111:5141-6. 2014
    ....
  16. ncbi request reprint Adaptation by western corn rootworm (Coleoptera: Chrysomelidae) to Bt maize: inheritance, fitness costs, and feeding preference
    Jennifer L Petzold-Maxwell
    Department of Entomology, Iowa State University, Ames, IA 50011, USA
    J Econ Entomol 105:1407-18. 2012
    ..Larval feeding studies indicated that the susceptible and resistant strains did not differ in preference for Bt and non-Bt root tissue in choice assays...
  17. pmc Fitness cost of resistance to Bt cotton linked with increased gossypol content in pink bollworm larvae
    Jennifer L Williams
    Department of Entomology, University of Arizona, Tucson, Arizona, United States of America
    PLoS ONE 6:e21863. 2011
    ..These results suggest that increased accumulation of plant defensive chemicals may contribute to fitness costs associated with resistance to Bt toxins...
  18. ncbi request reprint Entomopathogenic fungi in cornfields and their potential to manage larval western corn rootworm Diabrotica virgifera virgifera
    Melissa L Rudeen
    Iowa State University, Department of Entomology, 110 Insectary Building, Ames, IA 50011, USA Electronic address
    J Invertebr Pathol 114:329-32. 2013
    ..3% and 55% Ā± 6.4% of soil samples, respectively. Subsequent laboratory bioassays found that some M. anisopliae s.l. strains collected from cornfields killed a greater proportion of D.v. virgifera larvae than a standard commercial strain...
  19. doi request reprint Effects of Cry34/35Ab1 corn on the survival andĀ development of western corn rootworm, Diabrotica virgifera virgifera
    Melissa L Rudeen
    Entomology Department, Iowa State University, Ames, IA, USA
    Pest Manag Sci 69:709-16. 2013
    ..The effects of Bt corn producing Cry34/35Ab1 (event DAS-59122-7) and entomopathogens on the survival and development of larval D. v. virgifera were examined in laboratory, field and greenhouse experiments...
  20. ncbi request reprint Effects of Rag1 on the preference and performance of soybean defoliators
    Robert F Bruner
    Iowa State University, Department of Entomology, Ames, IA 50011, USA
    J Econ Entomol 106:2577-84. 2013
    ..Evaluations of nutritional indices indicated that three species of Lepidoptera, S. frugiperda, H. zea, and A. gemmatalis, displayed reduced conversion efficiency for Rag1 soybeans, suggesting effects of antibiosis...
  21. ncbi request reprint Evolutionary analysis of herbivorous insects in natural and agricultural environments
    Aaron J Gassmann
    Department of Entomology, Iowa State University, Ames, IA, USA
    Pest Manag Sci 65:1174-81. 2009
    ..The application of omics technologies may allow for more efficient identification of factors that will impose ecological negative cross-resistance, thereby bolstering insect resistance management...
  22. ncbi request reprint Abundance and distribution of western and northern corn rootworm (Diabrotica spp.) and prevalence of rotation resistance in eastern Iowa
    Mike W Dunbar
    Iowa State University, Department of Entomology, 13 Insectary, Ames, IA 50011 6542, USA
    J Econ Entomol 106:168-80. 2013
    ..These data suggests that crop rotation remains a viable pest management strategy in eastern Iowa...
  23. ncbi request reprint Effect of soybean varieties on survival and fecundity of western corn rootworm
    Mike W Dunbar
    Iowa State University, Department of Entomology, Ames, IA 50011, USA
    J Econ Entomol 105:625-31. 2012
    ..glycines did not appear to affect the fitness of D. v. virgifera. Thus, planting of these A. glycines-resistant soybean varieties should not directly affect the spread of rotation-resistant D. v. virgifera...
  24. ncbi request reprint Indirect cost of a defensive trait: variation in trichome type affects the natural enemies of herbivorous insects on Datura wrightii
    Aaron J Gassmann
    Department of Entomology, University of California, 3401 Watkins Drive, Riverside, CA 92521, USA
    Oecologia 144:62-71. 2005
    ....