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Acta Horticulturae Sinica ›› 2025, Vol. 52 ›› Issue (10): 2816-2828.doi: 10.16420/j.issn.0513-353x.2025-0030

• Review • Previous Articles     Next Articles

Research Progress on Molecular Regulation Mechanism of Parthenocarpy in Tomato

ZHANG Guoxin1, SONG Jianing1, CUI Xia1,2,**()   

  1. 1 College of Horticulture Science,Zhejiang A & F University,Hangzhou 311300,China
    2 State Key Laboratory of Vegetable Biobreeding,Institute of Vegetables and Flowers,Chinese Academy of Agricultural Sciences,Beijing 100081,China
  • Received:2025-06-16 Revised:2025-08-26 Online:2025-10-25 Published:2025-10-28
  • Contact: CUI Xia

Abstract:

Parthenocarpy is a trait that the ovary develops into fruit without fertilization. Parthenocarpy could alleviate the blossom and fruit dropping caused by adverse conditions in tomato,ensuring the fruit yield. In addition,the seedless fruit is preferred by consumers. Therefore,parthenocarpy has been recognized as an important trait in tomato breeding. Research has shown that phytohormones,particularly auxin and gibberellin,are key factors regulating tomato parthenocarpy. Additionally,sugars,flavonoids,small RNAs,and MADS-box transcription factors are also involved in the regulation of parthenocarpy. Although numerous parthenocarpic tomato resources have been identified,the key regulatory genes have not yet been fully characterized,and the molecular mechanisms remain to be further elucidated. This article reviewed the germplasm resources of parthenocarpic tomato,the key genes regulating parthenocarpy,and the molecular regulation mechanism of parthenocarpy in tomato,providing a reference for better understanding the formation of parthenocarpic fruit in tomato.

Key words: tomato, parthenocarpy, phytohormone, MADS-box gene, regulatory gene