Advances in Horticulture Crop Breeding: From Functional Gene Discoveries to Enhanced Productivity, Stress Tolerance, and Nutritional Quality

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Genetics, Genomics and Biotechnology".

Deadline for manuscript submissions: 20 July 2026 | Viewed by 785

Special Issue Editors


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Guest Editor
Department of Smart Farm, Konyang University, Nonsan-Si 32909, Republic of Korea
Interests: genetics; brassica crops; molecular design breeding; genomics; omics

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Guest Editor
College of Horticulture, Shenyang Agricultural University, Shenyang 110866, China
Interests: genetics; gene function; cytology; clubroot disease resistance
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Special Issue Information

Dear Colleagues,

Horticultural crops—encompassing vegetables, fruits, ornamental plants, and medicinal herbs—are integral to global food systems, human well-being, and rural livelihood security. They underpin dietary nutrition (e.g., vitamins from fruits, dietary fiber from vegetables, and bioactive compounds from medicinal horticultural species) while supporting agricultural diversity and economic resilience. The emergence of high-throughput sequencing technologies has revolutionized horticultural crop genomics, advancing the field beyond single-genome assembly toward pan-genome construction, functional gene mapping, and epigenetic regulation—laying a robust foundation for modern horticultural crop breeding.

This Special Issue seeks to capture the dynamism of horticultural crop breeding research, encompassing advances from genome-scale discoveries (e.g., novel gene loci associated with key agronomic traits and evolutionary insights into crop domestication) to practical breeding breakthroughs. By synthesizing studies across diverse horticultural crop families (e.g., Brassicaceae [cruciferous vegetables], Solanaceae [tomato, potato], Cucurbitaceae [cucurbits], Rosaceae [apple, peach], and Liliaceae [lily, garlic]) and integrating cutting-edge technologies (e.g., CRISPR-Cas gene editing, marker-assisted selection, and multi-omics integration), it provides a critical resource for researchers, horticultural crop breeders, and agricultural policymakers. This collection aims to accelerate efforts to enhance horticultural crop productivity, stress tolerance (to biotic/abiotic stresses), and nutritional quality—aligning with global goals of sustainable horticulture and food security.

Prof. Dr. Yong Pyo Lim
Dr. Wenxing Pang
Guest Editors

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Keywords

  • genome editing
  • functional gene mapping
  • stress response
  • mechanism
  • molecular breeding

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Published Papers (1 paper)

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Research

13 pages, 3097 KB  
Article
Identification of BoFAR3a Reveals the Genetic Basis of a Glossy Green Trait in Broccoli
by Xueqin Yao, Wei Zhou, Guangqing Li, Lei Huang, Chunqing Liu, Jing Gong, Yuan Liu, Yuhao Zuo, Jing Jiang and Zhujie Xie
Plants 2026, 15(4), 614; https://doi.org/10.3390/plants15040614 - 14 Feb 2026
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Abstract
Mutants with a bright green appearance due to wax synthesis or deposition defects have been reported in various plants such as Arabidopsis thaliana, corn, and rice, but they are relatively rare in broccoli (a brassicaceae crop). Here, we describe SY03, a natural [...] Read more.
Mutants with a bright green appearance due to wax synthesis or deposition defects have been reported in various plants such as Arabidopsis thaliana, corn, and rice, but they are relatively rare in broccoli (a brassicaceae crop). Here, we describe SY03, a natural mutant of broccoli with a glossy green phenotype owing to epidermal wax deficiency. Genetic analysis indicated that the leaf luster trait of SY03 was controlled by a single recessive gene. By using the F2 generation and combining bulked segregant analysis and molecular marker techniques, the candidate gene BoFAR3a, homologous to the Arabidopsis FAR gene, was identified within a 96.678 kb interval of chromosome C01. The A→G point mutation in exon 1 of the BoFAR3a coding sequence substitutes the canonical ATG start codon with GTG, which is predicted to abrogate or severely reduce translation initiation. RT-qPCR indicated that the expression levels of BoFAR3a were significantly decreased in the leaves of the glossy green phenotype mutant. Heterologous expression of BoFAR3a in A. thaliana restored the phenotype of A. thaliana mutant FAR3. The discovery of BoFAR3a is of great significance for breeding lustrous and commercially appealing broccoli varieties. This study systematically analyzed the molecular basis of the lustrous green phenotype in broccoli, providing new insights into the epidermal waxy regulatory network of cruciferous crops. In the future, the wax synthesis pathway can be precisely improved through gene editing technology, achieving a coordinated enhancement of the appearance quality and stress resistance of broccoli. Full article
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