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Chinese Agricultural Science Bulletin ›› 2026, Vol. 42 ›› Issue (17): 1-10.doi: 10.11924/j.issn.1000-6850.casb2025-0594

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Application Progress of Double Haploid Breeding Technology in Rice Breeding

LI Tang(), LI Qianlong, DU Ming, FANG Yu()   

  1. Shanghai ZKW Molecular Breeding Technology Co., Ltd., Shanghai 200234
  • Received:2025-07-21 Revised:2025-12-11 Online:2026-09-15 Published:2026-09-09

Abstract:

Doubled Haploid (DH) technology can rapidly achieve genotypic homozygosity., shorten the breeding cycle, and enhance breeding efficiency. It has been widely applied in maize breeding. However, reports on its application in rice variety selection remain relatively limited. This paper reviews the research progress of DH technology in rice, summarizing the processes of haploid induction, chromosome doubling, screening, and identification. It analyzes the applications of this technology in fundamental research areas such as constructing genetic maps, mapping quantitative trait loci (QTLs), editing haploid genes, creating homozygous mutants, and genome sequencing. Additionally, it summarizes the application of DH technology in the development of new rice varieties. To address challenges like plant dwarfism, low survival rates, and unstable induction efficiency encountered during rice breeding using haploid technology, strategies are proposed to optimize the technology, including utilizing diverse germplasm resources for hybridization, gene editing at the haploid stage, and integrating molecular marker-assisted selection, genomic selection, or multi-gene synergistic editing. Finally, this review provides insights into the future development directions of DH breeding in rice, offering a theoretical reference for its application in cultivating new rice varieties.

Key words: rice, double haploid, breeding technology, variety selection, genetic improvement

CLC Number: