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Your Position :Home->Past Journals Catalog->2014年51 No.5

Effect of transgenic Bt rice on the survival rate and predation of Paederus fuscipes Curtis adults
Author of the article:CHENG Zheng-Xin1 HUANG Jian-Hua1 LIANG Yu-Yong1** CHENG Sen-Di 2 XIONG Huan-Bao1 CHEN Nan-Ping 1 HU Shui-Xiu1
Author's Workplace:1. Institute of Plant Protection, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China; 2. Jiangxi University of Science and Technology, Nanchang 330200, China
Key Words:transgenic Bt rice, Paederus fuscipes, Nilaparvata lugens, survivalrate, predationfuction
Abstract:

    [Objectives]  The effect of transgenic Bt rice on the survival rate and predatory function of Paederus fuscipes Curtis was studied under laboratory conditions. [Methods]  The survival rate of P. fuscipes was measured 7, 14, 21 and 28 d after feeding on brown planthoppers (BPH) reared on transgenic rice. We experimentally varied predator-prey density to evaluate the effect of transgenicBt rice on the survival HYPERLINK "app:ds:rate"rate and predatory ability of P. fuscipes. [Results]  The survival HYPERLINK "app:ds:rate"rate of P. fuscipes fed on BPH reared on transgenic Bt rice was not significantly different to that of those fed on BPH raised on non-transgenic rice. The predatory ability of P. fuscipes fed on planthoppers raised on transgenic rice plants was not significantly different to that of those fed on BPH raised on non-transgenic rice. The functional response of adult P. fuscipes to BPH could be described by the HollingⅡmodel equation: Na=1.3421N/(1+0.0887N). [Conclusion]  Transgenic cry1Ab/Ac gene rice has no obvious negative effects on the survival HYPERLINK "app:ds:rate"rate and predatory ability of P. fuscipes.

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