PHYSIOLOGICAL EFECTS OF PAICHONGDING APPLIED TO RICE ON THE Nilaparvata lugens (STA L), THE BROWN PLANTHOPPER
文献类型: 外文期刊
第一作者: Qin, Xiaowa
作者: Qin, Xiaowa;Zhang, Runjie;Qin, Xiaowa;Zhang, Runjie;Zhang, Jie;Shi, Yanwei
作者机构:
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 )
ISSN:
年卷期:
页码:
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.
分类号: Q966
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