转Bt基因棉挥发性气味的化学成分及其对棉铃虫的电生理活性

Abstract

Abstract: In order to provide chemical and ecological evidence for the ecological risk assessment of transgenic cotton volatile chemical compositions from transgenic Bt cotton “GK-12” and regular cotton “Simian No. 3” were analysed and antennal responses of mated female cotton bollworms to these substances are reported. The ratios of α-pinene and β-0pinene were much higher in the volatiles of transgenic Bt cotton than those of regular cotton and two compounds in transgenic Bt cotton volatiles were absent in regular cotton. Nine compounds in volatiles of transgenic Bt cotton were responsible for EAD peaks in GC-EAD tests.

Key words: volatile secondary metabolites, transgenic Bt cotton, chemical analysis, GCEAD, Helicoverpa armigera

YAN Feng-Ming^1,2, XU Chong-Ren¹, Marie BENGTSSON³, Peter WITZGALL³，Peter ANDERSON³. Volatile compositions of transgenic Bt cotton and their electrophysiological effects on the cotton bollworm[J]., 2002, 45(4): 425-429.

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Volatile compositions of transgenic Bt cotton and their electrophysiological effects on the cotton bollworm

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