title: [Effects of herbivorous insect stress on the growth and yield-related traits of insect-resistant transgenic rice].
abstract: A field experiment was conducted to test the effects of high and low herbivorous insect stresses on the growth, development and yield-related traits of insect-resistant transgenic rice. Three Bt transgenic rice Bt63, R1 and R2 were selected as the test materials, and non-transgenic rice Shanyou63 was taken as the control. The differences in the vegetative growth, seed-setting, and stem borer resistance between transgenic and non-transgenic rice were compared. Under herbivorous insect stress, the transgenic rice fully displayed the stem borer-resistance of exogenous gene. Under the high stress, the stem borer-damaged degree of the three transgenic rice lines was much lower than that of the control. The plant height, tillers per plant, aboveground fresh mass, panicle length, panicle fresh mass, productive panicles per plant, filled grains per plant, grain mass per plant, seed setting rate, and 1000-grain mass of the three transgenic rice lines excelled the control, but had no significant differences except plant height, tillers per plant, and panicle length. Therefore, introducing exogenous Bt gene into rice had no negative effect on rice seed-setting, and high herbivorous insect stress had less impacts on transgenic rice yield.
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China. zhang_fannie@163.com
authors.forename: Fu-li
authors.initials: FL
authors.lastname: Zhang
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China.
authors.forename: Shao-rong
authors.initials: SR
authors.lastname: Lei
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China.
authors.forename: Yong
authors.initials: Y
authors.lastname: Liu
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China.
authors.forename: Jun
authors.initials: J
authors.lastname: Song
authors.affiliation: Medical and Nursing School, Chengdu University, Chengdu 610106, China.
authors.forename: Bei
authors.initials: B
authors.lastname: Niu
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China.
authors.forename: Quan
authors.initials: Q
authors.lastname: Yin
authors.affiliation: Analysis and Determination Center, Sichuan Academy of Agricultural Sciences, Chengdu 610066, China.
authors.forename: Xiao-hang
authors.initials: XH
authors.lastname: Dai
mesh_terms: D000818:Animals; D000083722:Bacillus thuringiensis Toxins; D001426:Bacterial Proteins / Q000096:biosynthesis / Q000235:genetics; D004731:Endotoxins / Q000096:biosynthesis / Q000235:genetics; D006460:Hemolysin Proteins / Q000096:biosynthesis / Q000235:genetics; D060434:Herbivory / Q000502:physiology; D007313:Insecta / Q000502:physiology*; D012275:Oryza / Q000235:genetics / Q000254:growth & development*; D010572:Pest Control, Biological; D030821:Plants, Genetically Modified / Q000235:genetics / Q000254:growth & development*; D013312:Stress, Physiological
chemical_list: D000083722:Bacillus thuringiensis Toxins; D001426:Bacterial Proteins; D004731:Endotoxins; D006460:Hemolysin Proteins; C030956:insecticidal crystal protein, Bacillus Thuringiensis