Field evaluation the effect of two transgenic Bt maize events on predatory arthropods in the Huang-Huai-Hai summer maize-growing region of China
文献类型： 外文期刊
作者： Huang, Jianrong 1 ; Li, Guoping 1 ; Liu, Bing 2 ; Gao, Yu 2 ; Wu, Kongming 2 ; Feng, Hongqiang 1 ;
作者机构： 1.Henan Acad Agr Sci, Entomol Radar Field Sci Observat & Res Stn Henan P, Inst Plant Protect, Henan Key Lab Crop Pest Control,Key Lab Integrated, Zhengzhou 450002, Henan, Peoples R China
2.Chinese Acad Agr Sci, State Key Lab Biol Plant Dis & Insect Pests, Inst Plant Protect, Beijing 100193, Peoples R China
关键词： transgenic Bt maize; natural predator; community biodiversity
期刊名称：ENVIRONMENTAL ENTOMOLOGY （ 影响因子：1.7； 五年影响因子：1.9 ）
ISSN： 0046-225X
年卷期： 2024 年 53 卷 3 期
页码：
收录情况： SCI
摘要： To illustrate the impact of genetically modified (GM) Bt maize on the natural enemy communities in the Huang-Huai-Hai summer maize-growing region in China, the abundance of 7 common predator taxa (Geocoris pallidipennis Costa, Harmonia axyridis (Pallas), lacewings, Orius sauteri (Poppius), Propylea japonica (Thunberg), spiders, and Staphylinidae) was quantitatively evaluated by comparing Bt-Cry1Ab DBN9936 and Bt-Cry1Ab/Cry2Aj Ruifeng 125 events to their near non-Bt isolines during the growing season from 2016 to 2019. A total of 10,302, 19,793, 13,536, and 5,672 individuals were observed during 4 years, and the abundance of each taxa on Bt maize varied between sample dates among those arthropod taxa. Shannon-Wiener diversity index of predator communities from 7 taxa showed very similar temporal dynamics and principal response curve analyses to examine community-level effects showed no significant differences in predator abundance in Bt maize compared with non-Bt maize. We conclude that the 2 Bt maize hybrids did not adversely affect the predator community in the Huang-Huai-Hai summer maize-growing region of China.
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