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Chinese Journal of Applied Ecology ›› 2005, Vol. 16 ›› Issue (5): 907-910.

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Analysis and identification of Liriomyza sativae-attractants from cowpea and kidney bean volatiles

WEI Ming, DENG Xiaojun, DU Jiawei   

  1. Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai 200032, China
  • Received:2004-04-13 Revised:2004-08-30 Online:2005-05-15 Published:2005-05-15

Abstract: In this paper,the volatiles from cowpea and kidney bean,the main host plants of American leafminer Liriomyza sativae,were collected and extracted by a self-designed device and solid phase microextraction (SPME) technique,and analyzed by GC-MS.The results showed that the volatiles from the two beans had the same components mainly consisted of 2-hexenal,3-Hexen-1-ol,2-Hexen-1-ol,1-Octen-3-ol,3-Hexenol acetate,α-Ionone and β-Ionone.The lure made of the seven components was attractive to L.sativae in field trapping trials.Detailed analyses indicated that α-Ionone and β-Ionone might play important roles in the searching behavior of L.sativae for host plants.

Key words: Solid phase microextraction, Liriomyza sativae, Volatile organic compounds, Field trapping trials

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