Review and Progress

The Role of Genome-Wide Association Studies (GWAS) in Vegetable Crop Genetic Improvement: From Yield to Nutritional Value  

Yuan Liu
Modern Agricultural Research Center, Cuixi Academy of Biotechnology, Zhuji, 311800, China
Author    Correspondence author
International Journal of Horticulture, 2024, Vol. 14, No. 2   doi: 10.5376/ijh.2024.14.0008
Received: 01 Mar., 2024    Accepted: 02 Apr., 2024    Published: 18 Apr., 2024
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Preferred citation for this article:

Liu Y., 2024, The role of genome-wide association studies (GWAS) in vegetable crop genetic improvement: from yield to nutritional value, International Journal of Horticulture, 14(2): 60-71 (doi: 10.5376/ijh.2024.14.0008)


The application of Genome-Wide Association Studies (GWAS) in the field of vegetable crop genetic improvement has matured, providing powerful tools to elucidate the genetic basis of traits such as yield, nutritional value, disease resistance, and adaptability. This review explores the role of GWAS in vegetable crop genetic improvement, particularly in identifying key genetic markers to enhance yield and improve nutritional value. By analyzing current research progress, this study discusses how GWAS aids scientists in precisely locating genes or genomic regions controlling significant agronomic traits, thereby optimizing breeding strategies and enhancing crop performance. The research also addresses the technical and methodological challenges faced in genetic improvement, as well as future directions, including the integration of multi-omics data and gene-editing technologies to accelerate the improvement of vegetable varieties. This study aims to distill key insights by comprehensively analyzing the application of GWAS in vegetable crop genetic improvement, providing a scientific basis for future research directions and their profound impact on the field of agricultural genetics.

Genome-Wide Association Studies (GWAS); Vegetable crops; Genetic improvement; Yield; Nutritional value
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