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Agronomy
Special Issues
Germplasm Evaluation and Breeding of Cereals under a Changing Environment
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Germplasm Evaluation and Breeding of Cereals under a Changing Environment

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Crop Breeding and Genetics".

Deadline for manuscript submissions: closed (31 December 2024) | Viewed by 1175

Special Issue Editors

Prof. Dr. Hrvoje Šarčević

E-Mail Website
Guest Editor
1. Department of Plant Breeding, Genetics and Biometrics, University of Zagreb Faculty of Agriculture, Zagreb, Croatia
2. Center of Excellence for Biodiversity and Molecular Plant Breeding, Zagreb, Croatia
Interests: wheat; maize; molecular markers; breeding for yield and quality
Special Issues, Collections and Topics in MDPI journals
Dr. Miroslav Bukan

E-Mail Website
Guest Editor Assistant
Faculty of Agriculture, University of Zagreb, Svetošimunska Cesta 25, 10000 Zagreb, Croatia
Interests: plant breeding; genetics and biometrics

Special Issue Information

Dear Colleagues,

Cereals are the most important source of energy for feeding humans and livestock worldwide. The most commonly grown cereals are maize, wheat, rice, barley, sorghum, oats and rye, with maize, wheat and rice together accounting for more than three quarters of the total grain production worldwide. To meet the caloric needs of the growing population, the production of cereals with desirable processing and nutritional quality must be continuously increased, and plant breeding is the most promising strategy to achieve this goal. However, with climate change leading to an increased incidence of biotic and abiotic stresses, which affects both yield and quality, breeding new cultivars with improved traits that are stable across a range of environments is a challenge. An important goal in the development of new cereal cultivars is therefore to increase their resistance to biotic stresses caused by various diseases and pests, as well as to abiotic stresses such as drought, extreme temperatures, salinity, soil nutrient deficiencies, etc. The implementation of new methods of high-throughput phenotyping and molecular marker technology in the form of QTL mapping, genome-wide association studies (GWAS) and molecular breeding (marker-assisted selection, marker-assisted backcrossing, marker-assisted recurrent selection and genomic selection) into existing cereal breeding programs can accelerate the breeding process and increase the response to selection.

This Special Issue of the journal Agronomy will focus on all aspects of cereal breeding for improved grain yield and quality. Welcome topics include, but are not limited to, the evaluation of germplasm for yield and quality traits under stress and non-stress conditions in the field and in the laboratory, QTL mapping, GWAS and molecular breeding.

Prof. Dr. Hrvoje Šarčević
Guest Editor

Dr. Miroslav Bukan
Guest Editor Assistant

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • cereals
  • grain yield
  • end-use quality
  • nutritional quality
  • biotic stresses
  • abiotic stresses
  • germplasm evaluation
  • high-throughput phenotyping
  • molecular markers
  • QTL mapping
  • GWAS
  • molecular breeding

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Published Papers (1 paper)

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Research

18 pages, 2067 KiB  
Article
Transcriptome Analysis Reveals Key Genes Involved in the Response of Triticum urartu to Boron Toxicity Stress
by Gul Sema Uyar, Anamika Pandey, Mehmet Hamurcu, Tomas Vyhnanek, Mustafa Harmankaya, Ali Topal, Sait Gezgin and Mohd. Kamran Khan
Agronomy 2025, 15(1), 191; https://doi.org/10.3390/agronomy15010191 - 15 Jan 2025
Viewed by 699
Abstract
The domestication and breeding of wheat genotypes through the years has led to the loss in their genetic variation, making them more prone to different abiotic stresses. Boron (B) toxicity is one of the stresses decreasing the wheat cultivars’ yield in arid and [...] Read more.
The domestication and breeding of wheat genotypes through the years has led to the loss in their genetic variation, making them more prone to different abiotic stresses. Boron (B) toxicity is one of the stresses decreasing the wheat cultivars’ yield in arid and semi-arid regions around the world. Wild wheat progenitors, such as Triticum urartu Thumanian ex Gandilyan, possess a broader gene pool that harbors several genes conferring tolerance to various biotic and abiotic stresses. Unfortunately, T. urartu is not well-explored at the molecular level for its tolerance towards B toxicity in soil. In this study, for the first time, we compared the transcriptomic changes in the leaves of a high B-tolerant T. urartu genotype, PI662222, grown in highly toxic B (10 mM B in the form of boric acid) with the ones grown in the control (3.1 μM B) treatment in hydroponic conditions. The obtained results suggest that several mechanisms are involved in regulating the response of the studied T. urartu genotype toward B toxicity. All the growth parameters of T. urartu genotype, including root–shoot length, root fresh weight, and root–shoot dry weight, were less affected by high boron (10 mM) as compared to the boron-tolerant bread wheat cultivar. With a significant differential expression of 654 genes, 441 and 213 genes of T. urartu genotype were down- and upregulated, respectively, in the PI662222 leaves in high B in comparison to the control treatment. While key upregulated genes included those encoding RNA polymerase beta subunit (chloroplast), ATP synthase subunit gamma, chloroplastic, 60S ribosomal protein, and RNA-binding protein 12-like, the main downregulated genes included those encoding photosystem II protein D, ribulose bisphosphate carboxylase small subunit, and peroxidase 2-like. Interestingly, both Gene Ontology enrichment and KEGG pathways emphasized the possible involvement of the genes related to the photosynthetic process and apparatus in the high B tolerance of the T. urartu genotype. The further functional characterization of the identified potential T. urartu genes will facilitate their utilization in crop improvement programs for B toxicity stress. Full article
(This article belongs to the Special Issue Germplasm Evaluation and Breeding of Cereals under a Changing Environment)
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