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Your Position :Home->Past Journals Catalog->2015年52 No.5

Research on the EAG and behavioral responses of Chlorophorus diadema to eleven Vitis vinifera and Prunus armeniaca volatiles
Author of the article:ZHANG Yan** LIU Qiang*** ZHU Geng-Ping LI Min
Author's Workplace:Tianjin Key Laboratory of Animal and Plant Resistence, College of Life Sciences, Tianjin Normal University, Tianjin 300387, China
Key Words:Chlorophorus diadema, hostplant, non-hostplant, volatiles, philogy, EAG response, behavioral response, activity
Abstract: [Objectives]  To study the effects of six volatiles from the host-plant Vitis vinifera, and five from the non-host plant Prunus armeniaca, on EAG and behavior of adult Chlorophorus diadema (Motschulsky). [Methods]  The electroantennogram and behavioral responses of C. diadema adults to 11 single components and 19 blends of these were tested using an EAG meter and a Y-tube olfactometer. [Results]  10 single components and 12 blends induced obvious EAG and behavioral responses. The relative levels of EAG response to different compounds were, in decreasing order; N (non-host formula), M (host formula), B (host formula), O (host formula), trans-2-hexen-1-ol, K(host formula), trans-2-hexena, methyl linoleate, A (host formula), D (host formula), J (non-host formula), Butyl butyrate, 1-Penten-3-ol, (R)-(+)-limonene, (S)-(-)-limonene, 3-carene, 3-methyl-1-butanol, 4-methyl-1-pentanol, E (host formula) and F (host formula). In behavioral tests, the relative attractiveness of components with more than 30% relative attractiveness were, in decreasing order; J(host formula), F (host formula), A (host formula), trans-2-hexen-1-ol, trans-2-hexenal, (R)-(+)-limonene, D (host formula), N (non-host formula), E (host formula) and B (host formula). Others compounds, including 1-penten-3-ol, 3-methyl-1-butanol, 4-methyl-1-pentanol, K (host formula), methyl linoleate, 3-carene, M (host formula), butyl butyrate, (S)-(-)-limonene, and C (host formula), were less attractive than those previously mentioned. Therefore, the 8 most attractive components to C. diadema were N (host formula), A (host formula), D (host formula), J (host formula), F (host formula), trans-2-hexenal, trans-2-hexen-1-ol, and (R)-(+)-limonene. [Conclusion]  We conclude that (1) The attractiveness of host plant volatiles is not absolutely higher than that of non-host plant volatiles; (2) The EAG response to a particular compound was sometimes less than the relative attractiveness of that component in Y-tube olfactometer tests; (3) Overall, blends of different volatiles were more attractive than that of single compounds in Y-tube olfactometer tests. These results provide a theoretical bacground for the development of attractants for C. diadema.
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