Economic, ecological, food safety, and social consequences of the deployment of Bt transgenic plants

A. M. Shelton, J. Z. Zhao, Richard T. Roush

Research output: Contribution to journalReview article

518 Citations (Scopus)

Abstract

Transgenic plants expressing insecticidal proteins from the bacterium, Bacillus thuringiensis (Bt), are revolutionizing agriculture. Bt, which had limited use as a foliar insecticide, has become a major insecticide because genes that produce Bt toxins have been engineered into major crops grown on 11.4 million ha worldwide in 2000. Based on the data collected to date, generally these crops have shown positive economic benefits to growers and reduced the use of other insecticides. The potential ecological and human health consequences of Bt plants, including effects on nontarget organisms, food safety, and the development of resistant insect populations, are being compared for Bt plants and alternative insect management strategies. Scientists do not have full knowledge of the risks and benefits of any insect management strategies. Bt plants were deployed with the expectation that the risks would be lower than current or alternative technologies and that the benefits would be greater. Based on the data to date, these expectations seem valid.

Original languageEnglish (US)
Pages (from-to)845-881
Number of pages37
JournalAnnual Review of Entomology
Volume47
DOIs
StatePublished - Feb 11 2002

Fingerprint

transgenic plant
ecological economics
food safety
Bacillus thuringiensis
insecticide
transgenic plants
insect
nontarget organism
crop
insecticides
toxin
insects
agriculture
insecticidal proteins
bacterium
protein
gene
nontarget organisms
crops
plant proteins

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

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abstract = "Transgenic plants expressing insecticidal proteins from the bacterium, Bacillus thuringiensis (Bt), are revolutionizing agriculture. Bt, which had limited use as a foliar insecticide, has become a major insecticide because genes that produce Bt toxins have been engineered into major crops grown on 11.4 million ha worldwide in 2000. Based on the data collected to date, generally these crops have shown positive economic benefits to growers and reduced the use of other insecticides. The potential ecological and human health consequences of Bt plants, including effects on nontarget organisms, food safety, and the development of resistant insect populations, are being compared for Bt plants and alternative insect management strategies. Scientists do not have full knowledge of the risks and benefits of any insect management strategies. Bt plants were deployed with the expectation that the risks would be lower than current or alternative technologies and that the benefits would be greater. Based on the data to date, these expectations seem valid.",
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Economic, ecological, food safety, and social consequences of the deployment of Bt transgenic plants. / Shelton, A. M.; Zhao, J. Z.; Roush, Richard T.

In: Annual Review of Entomology, Vol. 47, 11.02.2002, p. 845-881.

Research output: Contribution to journalReview article

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