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Effects of Transgenic Rice Expressing Bacillus thuringiensis Cry1Ab Protein on Ground-Dwelling Collembolan Community in Postharvest Seasons

Y. Y. Bai,R. Yan,G. Yè,F. Huang,Jia Hua Cheng

Published 2010 in Environmental Entomology

ABSTRACT

ARSTRACT During 2005–2008, field studies were conducted at two locations in Chongqing, China, to assess the potential effects of transgenic rice expressing Bacillus thuringiensis (Bt) Cry1Ab protein on the nontarget ground-dwelling collembolan community in three postharvest seasons. Collembolans in non-Bt and Bt rice fields were sampled with pitfall traps during each of two postharvest seasons of 2005/2006 and 2006/2007 and litterbag traps during each of three postharvest seasons of 2005/2006, 2006/2007, and 2007/2008. Ground-dwelling collembolans in rice fields during the postharvest seasons were abundant, whereas community densities varied considerably between the two locations and among the three seasons. A total of 67,310 collembolans, representing three species, Entomobrya griseoolivata, Hypogastrura matura, and Bourletiella christianseni, were captured during the three postharvest seasons. E. griseoolivata was the predominant species, accounting for 87.7% of the total captures, followed by H. matura (10.7%) and B. christianseni (1.6%). In general, there were no significant differences in species compositions and abundances of each species between Bt and non-Bt paddy fields, suggesting no significantly impact of plant residues of Cry1Ab rice on collembolan communities during postharvest seasons.

PUBLICATION RECORD

  • Publication year

    2010

  • Venue

    Environmental Entomology

  • Publication date

    2010-02-02

  • Fields of study

    Agricultural and Food Sciences, Medicine, Biology, Environmental Science

  • Identifiers
    DOI 10.1603/EN09149PMID 20146862
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar, PubMed

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