Cry1C rice doesn’t affect the ecological fitness of rice brown planthopper, Nilaparvata lugens either under RDV stress or not

Author:

Chang Xuefei,Sun Linlin,Ning Duo,Dang Cong,Yao Hongwei,Fang Qi,Peng Yufa,Wang Fang,Ye Gongyin

Abstract

AbstractThe potential risks of Bt rice on non-target arthropods (NTAs) should be evaluated and defined before commercial production. Recently, effects of Bt rice on NTAs under abiotic and biotic stress conditions attracted much attention. Here we reported the effects of Bt rice T1C-19 (Cry1C rice) on the non-target herbivore, Nilaparvata lugens (rice brown planthopper, BPH) with or without RDV (rice dwarf virus) infection conditions. BPH showed no feeding and oviposition preference between Bt rice T1C-19 and its non-Bt parental rice Minghui 63 (MH63), as well as between RDV-infected and RDV-free rice plants. Meanwhile, rice type, RDV infection status, and their interaction had little impacts on the survival, development and fecundity of BPH. By comparison with non-Bt control, Bt rice T1C-19 with or without RDV infection had no significant effects on the life-table parameters of BPH including rm, R0, T, DT and λ. Thus, it could be concluded that Bt rice T1C-19 doesn’t affect the ecological fitness of BPH either under RDV stress or not.

Funder

Science Foundation of Zhejiang Province for Youths

National Special Transgenic Project from Chinese Ministry of Agriculture

National Program on Key Basic Research Projects

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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