, Volume 32, Issue 3, pp 246–254 | Cite as

Influence of pesticide applications on pest and predatory arthropods associated with transgenicBt cotton and nontransgenic cotton plants

  • Xingyuan Men
  • Feng Ge
  • Clive A. Edwards
  • Erdal N. Yardim


The effects of pesticide applications on pests (aphids and acarid mites) and predators (ladybeetles and spiders) were investigated in transgenicBt cotton and nontransgenic cotton agroecosystems in 1999, 2000 and 2001. Transgenic cotton did not cause changes in populations of acarids and did not reduce numbers of predators considerably; its effects on aphids were inconsistent. Although insecticides were not applied against the main pest — cotton bollworm — on transgenic cotton, the total number of insecticide applications in 3 years was no less than the total applied on nontransgenic cotton, because additional applications were required against sucking pests on transgenicBt cotton. Pesticide applications decreased numbers of aphids, acarids and predatory spiders significantly on both transgenic and nontransgenic cottons. The results suggest that the use ofBt cotton should be evaluated carefully in China.

Key words

TransgenicBt cotton pesticides arthropods pests predators non-target effect 


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Copyright information

© Springer Science + Business Media B.V. 2004

Authors and Affiliations

  • Xingyuan Men
    • 1
  • Feng Ge
    • 1
  • Clive A. Edwards
    • 2
  • Erdal N. Yardim
    • 3
  1. 1.State Key Laboratory of Integrated Management of Pest Insects and Rodents, Inst. of ZoologyChinese Academy of SciencesBeijingP.R. China
  2. 2.Dept. of EntomologyThe Ohio State UniversityColumbusUSA
  3. 3.Dept. of Entomology, Faculty of AgricultureYuzuncu Yil UniversityVanTurkey

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