文献类型： 外文期刊
作者： Qin, Xiaowa 1 ; Zhang, Jie 3 ; Liu, Qi 1 ; Chen, Yong 1 ; Zhang, Runjie 1 ;
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 650223, Peoples R China
关键词： Fecundity;Nilaparvata lugens;Sublethal effect;Survival;Wing formation
期刊名称：JOURNAL OF ECONOMIC ENTOMOLOGY （ 影响因子：2.381； 五年影响因子：2.568 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： Nilaparvata lugens (St?l) is a major rice pest in Asia. Paichongding is a novel neonicotinoid insecticide developed in 2008. The effects of this insecticide on life-table parameters and wing formation of N. lugens were examined in the laboratory. The results showed that paichongding could significantly reduce the fecundity of N. lugens, demonstrating further activity against this pest in addition to direct toxicity. The fecundity of N. lugens treated with LC20, LC30, LC40, and LC_(50) of paichongding were 87.44, 79.63, 63.31, and 52.66% of the control, respectively. The relative fitness values were 0.55, 0.41, 0.21, and 0.09, respectively, for LC20, LC30, LC40, and LC_(50) paichongding treatments. Sublethal concentrations of paichongding showed significant induction of macropterous offspring, which would be one kind of coping mechanism of N. lugens response to insecticide stress.
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