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Your Position :Home->Past Journals Catalog->2012年49 No.6

Influence of transgenic Bt rice on the growth and development ofTribolium castaneum (Coleoptera: Tenebrionidae)
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Key Words: transgenic Bt rice,Tribolium castaneum,growth and development,safety evaluation
Abstract:      The effect of the transgenic Bt rice Shanyou 63 with cry1Ab / cry1Ac,cry2A and cry1C ( TT51,T2A-1 and T1C-19) on the growth and development of Tribolium castaneum Herbst was investigated using ricefrom three different areas(Wuxue,Xiaogan and Suizhou in Hubei Province) . The results show that the duration of the egg,larval,pupal andpreoviposition stages were 3 to 4 days,22 to 27 days,6 to 7 days and 5 to 7 days,respectively. Hatchability,pupationrate and emergence rate were 85% to 100% ,85% to 97%and 82% to 97% ,respectively. The weight of 100 pupae was0. 25 to 0. 31 g and the sex ratio was 0. 8 to 1. 4. No significant differences were found among the different rice varieties.All three Bt proteins could be detected in T. castaneum larvae,but the accumulated amount was very small. Therewasnosignificant accumulative effect despite larvae being reared on these strains.
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