A new essential technique of SPME for studying sex pheromone of Helicoverpa armigera and the difference between SPME and single gland extraction(SGE)were studied.

• 简要介绍了固相微量萃取法在棉铃虫性信息素研究中的技术要点。初步比较了单个腺体提取法与固相微量萃取法在分析棉铃虫性信息素时的差异。