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PHYSIOLOGICAL EFECTS OF PAICHONGDING APPLIED TO RICE ON THE Nilaparvata lugens (STA L), THE BROWN PLANTHOPPER

文献类型： 外文期刊

作者： Qin, Xiaowa 1 ; Zhang, Runjie 1 ; Zhang, Jie 3 ; Shi, Yanwei 4 ;

作者机构： 1.Sun Yat Sen Univ, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China

2.Sun Yat Sen Univ, Inst Entomol, Guangzhou 510275, Guangdong, Peoples R China

3.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resource Inst, Yunnan Prov Key Lab Agr Biotechnol, Kunming, Peoples R China

4.Sun Yat Sen Univ, Zhongshan Sch Med, Dept Forens Med, Guangzhou 510275, Guangdong, Peoples R China

关键词： detoxification enzymes;Nilaparvata lugens;paichongding;physiological effects

期刊名称：ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：1.698； 五年影响因子：1.758 ）

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收录情况： SCI

摘要： Nilaparvata lugens (Stal) is a major rice pest in Asia. Paichongding is a novel neonicotinoid insecticide developed in 2008. The effects of this insecticide on the activity of detoxification enzymes of N. lugens and on rice resistance to the pest were examined in the laboratory. The results showed that paichongding could significantly decrease the acetylcholinesterase and GSHs transferase activities of N. lugens. The variation tendency of mixed function oxidase (MFO) activity was similar with that of the esterase. After 12 h treatment, there was no significance between the treatment and control. However, the activities of MFO and esterase increased after 24 and 48 h treatment, which suggested that MFO and esterase may play an important role in the detoxification of paichongding for N. lugens. Our results also demonstrated that treated with paichongding, damage levels of rice plants were significantly lower than those of control plants except 15 days after treatment. Compared with the control, injury indices decreased 70.22, 49.12, 34.44, and 23.23% at 3 , 6 , 9, and 12 days after paichongding treatment, respectively. The laboratory results suggested that paichongding may be effective for the control of brown planthopper.

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[1]Analysis of the Time-Concentration-Mortality Response of Nilaparvata lugens (Hemiptera: Delphacidae) to Paichongding. Shi, Yan-Wei,Qin, Xiaowa,Wang, Meng,Zhang, Runjie,Qin, Xiaowa,Wang, Meng,Zhang, Runjie,Wang, Zhongyang,Liu, Yuedan,Liu, Jie,Chen, Yong,Liu, Yuedan.

[2]Sublethal effects of paichongding on Nilaparvata lugens (Homoptera: Delphacidae). Qin, Xiaowa,Liu, Qi,Chen, Yong,Zhang, Runjie,Qin, Xiaowa,Liu, Qi,Chen, Yong,Zhang, Runjie,Zhang, Jie.

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