Field-Evolved Insect Resistance to Bt Crops: Definition, Theory, and Data

BE Tabashnik, JBJ Van Rensburg… - Journal of economic …, 2009 - academic.oup.com
Transgenic crops producing Bacillus thuringiensis (Bt) toxins for insect pest control have
been successful, but their efficacy is reduced when pests evolve resistance. Here we review …

Success of the high‐dose/refuge resistance management strategy after 15 years of Bt crop use in North America

F Huang, DA Andow… - … Experimentalis et Applicata, 2011 - Wiley Online Library
Transgenic maize and cotton expressing Bacillus thuringiensis (Bt) toxins were first
commercialized in 1996. By 2009, Bt crops were planted on ca. 47.6 Mha in 22 countries …

Field-evolved resistance to Cry1F maize by Spodoptera frugiperda (Lepidoptera: Noctuidae) in Brazil

JR Farias, DA Andow, RJ Horikoshi, RJ Sorgatto… - Crop protection, 2014 - Elsevier
The Cry1F protein from Bacillus thuringiensis Berliner expressed in event TC1507 maize
(Zea mays L.) was one of the most effective ways to control Spodoptera frugiperda (JE …

Field-evolved resistance in corn earworm to Cry proteins expressed by transgenic sweet corn

GP Dively, PD Venugopal, C Finkenbinder - PloS one, 2016 - journals.plos.org
Background Transgenic corn engineered with genes expressing insecticidal toxins from the
bacterium Bacillus thuringiensis (Berliner)(Bt) are now a major tool in insect pest …

Practical Resistance of Ostrinia nubilalis (Lepidoptera: Crambidae) to Cry1F Bacillus thuringiensis maize discovered in Nova Scotia, Canada

JL Smith, Y Farhan, AW Schaafsma - Scientific Reports, 2019 - nature.com
Transgenic maize, Zea mays L., modified to express insecticidal proteins from the bacterium
Bacillus thuringiensis Berliner, was introduced in 1996 to control Ostrinia nubilalis Hübner …

Hybridizing transgenic Bt cotton with non-Bt cotton counters resistance in pink bollworm

P Wan, D Xu, S Cong, Y Jiang… - Proceedings of the …, 2017 - National Acad Sciences
Extensive cultivation of crops genetically engineered to produce insecticidal proteins from
the bacterium Bacillus thuringiensis (Bt) has suppressed some major pests, reduced …

Efficacy of genetically modified Bt toxins against insects with different genetic mechanisms of resistance

BE Tabashnik, F Huang, MN Ghimire… - Nature …, 2011 - nature.com
Transgenic crops that produce Bacillus thuringiensis (Bt) toxins are grown widely for pest
control, but insect adaptation can reduce their efficacy,,,,. The genetically modified Bt toxins …

Inheritance of Cry1F resistance, cross-resistance and frequency of resistant alleles in Spodoptera frugiperda (Lepidoptera: Noctuidae)

AM Vélez, TA Spencer, AP Alves… - Bulletin of …, 2013 - cambridge.org
Transgenic maize, Zea maize L., expressing the Cry1F protein from Bacillus thuringiensis
has been registered for Spodoptera frugiperda (JE Smith) control since 2003. Unexpected …

Field-evolved resistance to Bt toxins

W Moar, R Roush, A Shelton, J Ferré… - Nature …, 2008 - nature.com
H. zea populations was evaluated: Luttrell et al. 2 (before introduction of Bt cotton) and Ali et
al. 3 (after introduction of Bt cotton). We emphatically disagree with the conclusions of …

Monitoring resistance of Ostrinia nubilalis (Lepidoptera: Crambidae) in Canada to Cry toxins produced by Bt corn

JL Smith, Y Farhan - Journal of Economic Entomology, 2023 - academic.oup.com
The first case of field-evolved resistance in European corn borer, Ostrinia nubilalis
(Hübner)(Lepidoptera: Crambidae) to transgenic corn (Zea mays L.) producing a Bacillus …