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Insect resistance to Bt crops can be predicted, monitored and managed
Date:11/23/2009

ce when they are used independently from crops that contain only one Bt toxin.

  • Resistance monitoring can be especially effective when insects collected from the field include survivors from Bt crops.

  • DNA screening can complement traditional methods for monitoring resistance, such as exposing insects to toxins in the lab.

  • Despite a few documented cases of field-evolved resistance to the Bt toxins in transgenic crops, most insect pest populations are still susceptible.

    With Bt crop acreage increasing worldwide, incorporating enhanced understanding of observed patterns of field-evolved resistance into future resistance management strategies can help to minimize the drawbacks and maximize the benefits of current and future generations of transgenic crops.


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  • Contact: Richard Levine
    rlevine@entsoc.org
    301-731-4535
    Entomological Society of America
    Source:Eurekalert

    Page: 1 2

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