Systemic action of novel neonicotinoid insecticide IPP-10 and its effect on the feeding behaviour of Rhopalosiphum padi on wheat
文献类型: 外文期刊
第一作者: Cui, Li
作者: Cui, Li;Sun, Lina;Cao, Yazhong;Yang, Daibin;Yuan, Huizhu;Shao, Xusheng;Li, Zhong
作者机构:
关键词: IPP-10;neonicotinoid;Rhopalosiphum padi;systemic action;feeding behaviour;fecundity
期刊名称:PEST MANAGEMENT SCIENCE ( 影响因子:4.845; 五年影响因子:4.674 )
ISSN:
年卷期:
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收录情况: SCI
摘要: BACKGROUND: IPP-10 is a novel neonicotinoid insecticide recently developed in China and has good activity against sucking insects. Studies were carried out to investigate the activity of IPP-10 against Rhopalosiphum padi L. RESULTS: The results demonstrated that IPP-10 had both contact and systemic activity, including acropetal and basipetal translocation in wheat vascular bundles. Starved R. padi were allowed to stay on wheat treated with a sublethal dose of IPP-10. The results of studying their feeding behaviour from an electrical penetration graph (EPG) revealed a decrease in total time and bout duration of xylem and phloem ingestion, but the total time and bout duration of phloem salivation were significantly prolonged. The frequency (7.03 ± 0.49 Hz) of the xylem ingestion waveform produced by aphids on wheat treated with IPP-10 was significantly lower than that of blank control aphids (8.20 ± 0.30 Hz). Consequently, aphids born on wheat treated with IPP-10 were obviously lighter and less fecund than the control aphids. CONCLUSION: These tests indicated that IPP-10 had both contact and systemic activity, with sublethal effects resulting in reduction in ft. padi feeding behaviour, growth rate and fecundity.
分类号: S4
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