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Acta Horticulturae Sinica ›› 2022, Vol. 49 ›› Issue (12): 2722-2742.doi: 10.16420/j.issn.0513-353x.2021-0943

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Advances in Genetic Resources and Breeding Research of Cymbidium

XU Wan1, LIN Yajun2, ZHAO Zhuang2, ZHOU Zhuang1,*()   

  1. 1Zhejiang Institute of Subtropical Crops,Wenzhou,Zhejiang 325005,China
    2Key Laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization,Fuzhou Agriculture and Forestry University,College of Arts College of Landscape Articulture, Fuzhou 350002,China
  • Received:2021-12-22 Revised:2022-08-01 Online:2022-12-25 Published:2023-01-02
  • Contact: ZHOU Zhuang E-mail:zhuangchow@126.com

Abstract:

This paper reviews the achievements of Cymbidium germplasm resources,breeding and the molecular research of main ornamental traits. Germplasm resources are the basis for the breeding of Cymbidium. China is the distribution center of this genus with 57 species out of 83 species in the world,and have been formed a large number of traditional varieties which domesticated since 2 500 years ago. To date,the breeding method is still focused on traditional hybridization. There are more than 17 000 Cymbidium hybrids registered on RHS,and 43 new Cymbidium cultivars authorized by the Ministry of Agriculture and Rural Affairs of China. More importantly,Genetic engineering breeding will be the key direction of Cymbidium breeding in the future. A batch of structural genes and transcription factors involved in the main ornamental traits have been unearthed through transcriptome and genome and some of them have been functionally verified,which layed the foundation for the transformation of Cymbidium from traditional breeding to molecular breeding.

Key words: Cymbidium, germplasm resources, breeding approach, character improvement

CLC Number: