Cereal Crop Breeding, 2nd Edition

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

Deadline for manuscript submissions: 31 July 2026 | Viewed by 1026

Special Issue Editors


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Guest Editor
National Wheat Improvement Centre, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: breeding; genetics; marker-assisted selection; wheat
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
College of Life Sciences, Langfang Normal University, Langfang 065000, China
Interests: breeding; genetics; marker-assisted selection; molecular biology; rice

Special Issue Information

Dear Colleagues,

Cereal crops, including wheat, maize, rice, and barley, serve as the primary global food source, occupying approximately 75% of cultivated land and supplying over half of the world’s caloric intake. Thanks to advancements in modern breeding techniques, cereal yields have seen substantial growth over the past five decades. However, recent research indicates that the annual yield increase for major crops has slowed to around 1% since the beginning of the 21st century. 

Developing crop varieties with higher yields, improved quality, and enhanced resistance to biotic and abiotic stresses is a sustainable and eco-friendly strategy to ensure food security. Breeding methods encompass both traditional and modern technologies, with significant contributions from biotechnology, molecular biology, genomics, and genome editing, which have greatly enhanced breeding efficiency. These approaches rely heavily on genetic resources and germplasms. Yet, a pressing challenge in modern breeding is the narrowing of genetic diversity caused by domestication and selection. Consequently, marker-assisted selection (MAS), based on QTLs or genes identified through forward and reverse genetics, plays a crucial role in crop breeding. 

This Special Issue highlights advancements in breeding techniques, such as genomic selection and genome editing, alongside new insights from traditional agronomic methods and grain production quality. We invite submissions of original research and review articles focusing on, but not limited to, the following topics:

  1. Genetic analysis to unravel complex quantitative traits, particularly those related to quality and resistance to biotic and abiotic stresses.
  2. MAS breeding, genomic selection/prediction, and molecular design breeding for cereal crops.
  3. Innovations in traditional agronomic breeding methods and their impact on grain production quality.
  4. Domestication and selection signatures in cereal crops.
  5. Identification of desirable allelic variants or breeding-available haplotypes.
  6. Technological advancements in molecular breeding.

We welcome contributions that advance both theoretical and applied research in cereal breeding, aiming to address global food security challenges.

Dr. Jindong Liu
Dr. Yamei Wang
Guest Editors

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Keywords

  • cereals
  • genetic dissection
  • breeding
  • disease resistance
  • stress tolerance
  • yield
  • quality
  • biotechnology

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Related Special Issue

Published Papers (2 papers)

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Research

26 pages, 2818 KB  
Article
Uncovering the Genetic Basis of Grain Protein Content and Wet Gluten Content in Common Wheat (Triticum aestivum L.)
by Quanhao Song, Wenwen Cui, Zhanning Gao, Jiajing Song, Shuaishuai Wang, Hongzhen Ma, Liang Chen, Kaijie Xu and Yan Jin
Plants 2026, 15(2), 307; https://doi.org/10.3390/plants15020307 - 20 Jan 2026
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Abstract
Improving wheat processing quality is a crucial objective in modern wheat breeding. Among various quality parameters, grain protein content (GPC) and wet gluten content (WGC) significantly influence the end-use quality of flour. These traits are controlled by multiple minor effect genes and highly [...] Read more.
Improving wheat processing quality is a crucial objective in modern wheat breeding. Among various quality parameters, grain protein content (GPC) and wet gluten content (WGC) significantly influence the end-use quality of flour. These traits are controlled by multiple minor effect genes and highly influenced by environmental factors. Identifying stable and major-effect genetic loci and developing breeder-friendly molecular markers are of great significance for breeding high-quality wheat varieties. In this study, we evaluated the GPC and WGC of 310 diverse wheat varieties, mainly from China and Europe, across four environments. Genotyping was performed using the wheat 100K SNP chip, and genome-wide association analysis (GWAS) was employed to identify stable loci with substantial effects. In total, four loci for GPC were identified on chromosomes 1A, 3A, 3B, and 4B, with explained phenotypic variation (PVE) ranging from 6.0 to 8.4%. In addition, three loci for WGC were identified on chromosomes 4B, 5A, and 5D, which explained 7.0–10.0% of the PVE. Among these, three loci coincided with known genes or quantitative trait loci (QTL), whereas QGPC.zaas-3AL, QGPC.zaas-4BL, QWGC.zaas-4BL, and QWGC.zaas-5A were potentially novel. Seven candidate genes were involved in various biological pathways, including growth, development, and signal transduction. Furthermore, five kompetitive allele specific PCR (KASP) markers were developed and validated in a natural population. The newly identified loci and validated KASP markers can be utilized for quality improvement. This research provides valuable germplasm, novel loci, and validated markers for high-quality wheat breeding. Full article
(This article belongs to the Special Issue Cereal Crop Breeding, 2nd Edition)
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14 pages, 1853 KB  
Article
Identification of Spike Length Gene and Development of KASP Markers in Wheat
by Tiantian Jiang, Lingpeng Meng, Chao Ji, Zehui Wang, Huiwen Cao, Ruoxi Sun, Ke Xu, Xianghai Meng, Xueju Yang and Yong Zhao
Plants 2025, 14(23), 3703; https://doi.org/10.3390/plants14233703 - 4 Dec 2025
Viewed by 546
Abstract
Spike length is a critical trait influencing the yield potential of wheat (Triticum aestivum L.). However, there has been limited research on spike-length-related genes in wheat. Moreover, the scarcity of stable markers for spike-related traits has restricted marker-assisted selection-based breeding. In this [...] Read more.
Spike length is a critical trait influencing the yield potential of wheat (Triticum aestivum L.). However, there has been limited research on spike-length-related genes in wheat. Moreover, the scarcity of stable markers for spike-related traits has restricted marker-assisted selection-based breeding. In this study, a novel long-spike mutant material (LS1) was generated from wheat variety ‘Aikang 58’ (AK58) using ethyl methanesulfonate. We established an F2 segregating population by crossing AK58 with LS1. Morphological analyses of this population indicated that spike length is a dominant quantitative trait regulated by multiple genes. Bulked segregant analysis (BSA) technology was used to preliminarily identify nine candidate regions associated with spike length traits. These regions were mainly in a 7.22 Mb interval (673.84–713.26 Mb) on chromosome 5A and in a 2.34 Mb interval (714.83–717.69 Mb) on chromosome 7B. Twelve candidate genes were identified within these regions. Furthermore, two kompetitive allele specific polymerase chain reaction (KASP) markers (KASP-LS1-681460621 and KASP-LS1-692013966) associated with spike length traits were developed. Both KASP markers effectively genotyped parental lines and the F2 population. Our study results provide a theoretical foundation for the genetic improvement of spike-length-related traits in wheat. Full article
(This article belongs to the Special Issue Cereal Crop Breeding, 2nd Edition)
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