Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2023, Vol. 39 ›› Issue (16): 52-60.doi: 10.11924/j.issn.1000-6850.casb2022-0928

Previous Articles     Next Articles

Research Progress on Floral Scent Components of Orchidaceae

MA Di1,2(), XIAO Wenfang2, LI Zuo2, ZHANG Junwei1, CHEN Heming2, LV Fubing2()   

  1. 1 College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan 430070
    2 Environmental Horticulture Research Institute, Guangdong Academy of Agricultural Sciences/Guangdong Key Lab of Ornamental Plant Germplasm Innovation and Utilization, Guangzhou 510640
  • Received:2022-11-14 Revised:2023-03-20 Online:2023-06-05 Published:2023-05-22

Abstract:

This paper mainly reviews the floral scent components of orchids and their synthetic regulation, focusing on an overview of the main floral scent components of common orchids, the main factors affecting the detection of floral scent components, and the related molecular regulation mechanism of floral scent biosynthesis pathway. The results showed that terpenes were the most important fragrance components of orchids, and the changes of fragrance components could be caused by sampling time, location, environment and detection technology. Terpenes synthase gene (TPS) and MYB transcription factors were the main regulatory genes in the metabolic pathway of fragrance substances. It is found that the lack of studies on the complete metabolic pathways and molecular regulatory mechanisms of related floral scent components in orchids is the main problem in the current research on floral scent traits of orchids. The exploration and utilization of orchid floral genes and improvement of related metabolic pathways will be the focus of future research on floral scent traits of Orchidaceae.

Key words: Orchidaceae, flower scent components, biosynthesis, influencing factors, regulator genes