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Acta Horticulturae Sinica ›› 2026, Vol. 53 ›› Issue (2): 331-358.doi: 10.16420/j.issn.0513-353x.2025-1069

• Reviews •     Next Articles

Research Advances in the Regulation of Aroma Biosynthesis in Horticultural Crops by Plant Hormones and Environmental Factors

XU Hongpeng1,2, LU Jinping1,2, JIANG Xiaonan1,2, XIE Weilin1,2, LIU Zhirou1,2, BAN Jiayi1,2, XUE Bingbing1,2, YE Ruoyu1,2, ZHANG Kexin1,2, XIONG Yuchen1,2, CHEN Jiamin1,2, SONG Yefan1,2, YUAN Fubang1,2, WANG Yiqiao1,2, LIU Zhuowen1,2, GAO Junping1,2(), LIANG Yue1,2()   

  1. 1 Sanya Institute,China Agricultural University,Sanya,Hainan 572024,China
    2 College of Horticulture,China Agricultural University,Beijing 100193,China
  • Received:2025-12-02 Revised:2026-01-11 Online:2026-02-25 Published:2026-02-12

Abstract:

The aroma quality of horticultural crops is an important economic trait determined by volatile organic compounds(VOCs). Its biosynthesis is coordinately regulated by internal regulatory networks and external environmental factors. Phytohormones including jasmonic acid,ethylene,and auxin form complex regulatory networks by activating transcription factors such as MYB and bHLH,and precisely regulate the biosynthesis of aroma substances(e.g.,terpenoids and phenylpropanoids)through signal cross-talk. Signaling molecules,such as calcium ions,hydrogen peroxide,and nitric oxide,participate in regulating the expression of aroma biosynthesis-related genes by mediating hormone signals and environmental stimuli. Environmental factors such as light and temperature not only independently regulate aroma biosynthesis in horticultural crops,but also exert synergistic effects through interactions between photoreceptors and temperature sensors. This review summarizes recent research progress on the regulation of aroma biosynthesis in horticultural crops by phytohormones,signaling molecules,and environmental factors,aiming to provide a theoretical reference for plant aroma research and the breeding of horticultural varieties with high aroma quality.

Key words: phytohormones, signaling molecules, environmental factors, aroma biosynthesis