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Novel Analogues of (E) -β-Farnesene with Potential Control Properties to Myzus persicae (Sulzer)

文献类型： 会议论文

第一作者： Xinling Yang

作者： Xinling Yang 1 ; Yufeng Sun 1 ; Yongjun Zhang 2 ; Shaoxiang Yang 1 ; Yun Ling 1 ; Changhui Rui 2 ; Paolo Pelosi 3 ;

作者机构： 1.PMDD Lab. ,Department of Applied Chemistry, College of Science, China Agricultural University, Key Laboratory of Pesticide Chemistry and Application, Ministry of Agriculture, Beijing 100193, China

2.State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China

3.Department of Biology of Agricultural Plants, University of Pisa,via S. Michele 4, 56124 Pisa, Italy

关键词： (E)-β-farnesene analogues;odorant-binding proteins;repellency;insecticidal;aphids

会议名称： International workshop on crop protection chemistry and regulatory harmonization

主办单位：

页码： 368-369

摘要： @@ (E)-β-Farnesene is an effective alarm pheromone in many aphid species. [1,2] It can reduce the use of insecticides at the same level of efficacy by increasing contact of aphids with the toxicant. [3] However, it is prevented in agriculture applications by its susceptibility to oxidation.[4] In a programme to develop novel chemicals for aphid control, we have designed and synthesized twelve novel analogues of (E)-β-farnesene, containing a pyrazole moiety present in several insecticides. Binding affinities to three odorant-binding proteins (OBPs) of pea aphid Acythosiphon pisum (Harris) and the repellent activities were evaluated, as well as the aphicidal properties against peach aphid Myzus persicae (Sulzer). Among the chemicals, 3h and 3j, exhibited marked selectivity to OBP3 and displayed significant repellency against M. Persicae, possessing similar repellent activity to the lead, (E)-β-farnesene, but higher stability. While 3a and 3f showed comparable aphicidal activities to (E)-β-farnesene at the same concentration of 0. 6 mg/mL. This work demonstrates that novel analogues of (E)-β-farnesene can be detected as alarm messages, and endowed with repellent activities, as well as insecticidal properties against M. Persicae, which may be new potential aphid control agents.

分类号： s481

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