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Neotropical Entomology

versión On-line ISSN 1678-8052


FONTES, ELIANA M.G.; PIRES, CARMEN S.S.; SUJII, EDISON R.  y  PANIZZI, ANTÔNIO R.. The Environmental Effects of Genetically Modified Crops Resistant to Insects. Neotrop. Entomol. [online]. 2002, vol.31, n.4, pp.497-513. ISSN 1678-8052.

Transgenic crops are currently being cultivated on a commercial scale in many countries. The area devoted to transgenic pest resistant varieties worldwide reached 13 million hectares in 2001. These varieties offer valuable benefits but also pose potential risks. Assessments of their impact on the environment are conducted before they are approved for commercial use, as required by the regulatory biosafety frameworks. In this review, we discuss the potential ecological consequences of the commercial use in agriculture of genetically modified insect resistant crops. We also discuss the impacts caused by the change in agricultural practices, and attempt to identify gaps and possible opportunities for research, considering this new technological tool. We based our analysis and comments on the current knowledge of the risks and benefits of these genetically modified insect resistant crops, within the context of traditional insect management strategies.

Palabras clave : Transgenic crop; Bt gene; non-target organism; gene flow; biosafety.

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