›› 2001, Vol. 44 ›› Issue (4): 541-547.
• RESEARCH PAPERS • Previous Articles Next Articles
HAN Bao-yu
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Abstract: With behaviour bioassay and electroantennogram investigation,it is found that both n-hexane and ether rinses from tea aphid body surface showed obvious attractive activity to its important natural enemies Aphidius sp., Chrysopa sinica, and Coccinella septempunctata and the attractive activity of n-hexane rinse was slight stronger. GC and GC-MS analyses showed that the main components in n-hexane rinse were undecane, benzaldehyde, 2,5-hexanedione, 2,5-dihydro-thiophene, linallol, naphthalene,-4-methyl-octane, 1,2-benzenedicarboxylic acid, bis (dibutyl phthalate), dibutyl phthalate and eicosane, in which the amounts of benzaldehyde, 2,5-hexanedione and linalool were a little more than the others. The main components from ether rinse were E-2-hexenoic acid, heptadecane, 2,6,10,14-tetramethyl-pentadecane, eicosane, tetratetracontane, dibutyl phthalate and nonadecane, among which the amounts of E-2-hexenoic acid and heptadecane were much more.
Key words: Toxoptera aurantii, body surface ringe, attractive activity, natural enemies, component analysis, behaviour bioassay, electroantennogram
HAN Bao-yu. Attractive activity to natural enemies and component analysisof the rinses from tea aphid body surface[J]., 2001, 44(4): 541-547.
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