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Changes of inheritance mode and fitness in Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) along,with its resistance evolution to Cry1Ac toxin
Liang, Ge-Mei; Wu, Kong-Ming; Yu, Hong-Kun; Li, Ke-Ke; Feng, Xue; Guo, Yu-Yuan
2008
发表期刊JOURNAL OF INVERTEBRATE PATHOLOGY
ISSN0022-2011
卷号97期号:2页码:142-149
摘要The changes of inheritance mode and fitness of resistance in Helicoverpa armigera (Hubner) along with its resistance evolution to Cry1Ac toxin were evaluated in the laboratory. The resistance levels reached 170.0-, 209.6- and 2893.3-fold, on selection of the field population in the 16th (BtR-F-16), 34th (BtR-F-34) and 87th (BtR-F-87) generation with artificial diet containing Cry1Ac toxin, respectively. As the resistance levels increased, more larvae feeding on the Bt cotton expressing Cry1Ac toxin survived. Most larvae of BtR-F-87 could develop to the 5th instar and about 3% individuals reached the adult stage. The inheritance of Cry1Ac resistance trait at three resistant levels was autosomal and incompletely recessive, but the degree of dominance decreased as the resistance increased. The resistance was primarily monogenic in BtR-F-16 strain, but polygenic as resistance increased. The relative fitness of H. armigera, measured as a ratio of R-0 (the net replacement rate) of resistant strain divided by R-0 of the susceptible strain, decreased with an increase of the resistance levels, with ratios of 0.79, 0.64 and 0.59 in their respective BtR-F-16, BtR-F-34 and BtR-F-87 strains.
关键词Helicoverpa armigera Bt resistance inheritance fitness
学科领域Zoology ; Zoology
DOI10.1016/j.jip.2007.09.007
收录类别SCI
语种英语
WOS记录号WOS:000252997500008
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
nyguid25f882c9-e72b-4a20-9a5e-e3c09f341fa3
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被引频次:63[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.nais.net.cn/handle/2HMLN22E/264288
专题植物保护研究所_农业昆虫研究室
院机关
作者单位Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100094, Peoples R China
第一作者单位植物保护研究所
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Liang, Ge-Mei,Wu, Kong-Ming,Yu, Hong-Kun,et al. Changes of inheritance mode and fitness in Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) along,with its resistance evolution to Cry1Ac toxin[J]. JOURNAL OF INVERTEBRATE PATHOLOGY,2008,97(2):142-149.
APA Liang, Ge-Mei,Wu, Kong-Ming,Yu, Hong-Kun,Li, Ke-Ke,Feng, Xue,&Guo, Yu-Yuan.(2008).Changes of inheritance mode and fitness in Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) along,with its resistance evolution to Cry1Ac toxin.JOURNAL OF INVERTEBRATE PATHOLOGY,97(2),142-149.
MLA Liang, Ge-Mei,et al."Changes of inheritance mode and fitness in Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae) along,with its resistance evolution to Cry1Ac toxin".JOURNAL OF INVERTEBRATE PATHOLOGY 97.2(2008):142-149.
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