Cited by 131Insect Resistance and GeneticsGenetically Modified Organisms ResearchInsect-Plant Interactions and Control

Management of Insect Pests with Bt Crops in the United States

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Gassmann, Aaron J., Reisig, Dominic D.·2023·Annual Review of Entomology

Abstract

Genetically engineered corn and cotton that produce insecticidal toxins derived from the bacterium Bacillus thuringiensis (Bt) have been used to manage insect pests in the United States and elsewhere. In some cases, this has led to regional suppression of pest populations and pest eradication within the United States, and these outcomes were associated with reductions in conventional insecticides and increased profits for farmers. In other instances, pests evolved resistance to multiple Bt traits, compromising the capacity of Bt crops to manage pests and leading to increased feeding injury to crops in the field. Several aspects of pest biology and pest–crop interactions were associated with cases where pests remained susceptible versus instances where pests evolved resistance. The viability of future transgenic traits can be improved by learning from these past outcomes. In particular, efforts should be made to delay resistance by increasing the prevalence of refuges and using integrated pest management.

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Registry

Crossref · 10.1146/annurev-ento-120220-105502

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  • Following the adoption of Bt crops, reductions in insecticide use have generally led to positive environmental and human health outcomes for farmers, farm workers, and consumers.

    “Following the adoption of Bt crops, reductions in insecticide use have generally led to positive environmental and human health outcomes for farmers, farm workers, and consumers ( 57 , 70 ).”

    From Environmental impacts of genetically modified crops (2024) · cites this paper as [57]

    The paper’s introductory overview (indexed under “acknowledgments”; page unavailable) lists reduced foliar insecticide use and increased biodiversity among benefits of Bt crops. It does not report human-health outcomes for farmers, farm workers, or consumers, or establish that reduced insecticide use caused those outcomes. (LLM, conf=0.86)

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Authors
Gassmann, A. J., & Reisig, D. D.
Affiliations
  • Iowa State University (US)
  • North Carolina State University (US)
Venue
Annual Review of Entomology
Published
2023-01-23
Volume
68
Issue
1
Pages
31-49
ISSN
  • 0066-4170 (ISSN-L)
  • 1545-4487
OpenAlex
W4297516574
Cited by
130
References
135
Citations by year
2026: 29 · 2025: 38 · 2024: 35 · 2023: 25 · 2022: 3
FWCI
2.63
Type
journal article
Language
en
Open access
Locations
  • Annual Review of Entomology (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Iowa State University Digital Repository (Iowa State University) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Insect Resistance and Genetics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetically Modified Organisms Research
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Insect-Plant Interactions and Control
Keywords
Bt crops, insect pest management, insecticide resistance, resistance management, refuge, integrated pest management, genetically modified crops, pest eradication, feeding injury, pest biology, United States
MeSH terms
Animals, Bacillus thuringiensis, Bacterial Proteins, Endotoxins, Hemolysin Proteins, Insecticide Resistance, Insecta, Moths, Pest Control, Biological, United States, Crops, Agricultural, Plants, Genetically Modified

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