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Journals
Agronomy
Special Issues
Cereal Disease Resistance Genes and Fungal Effectors
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Cereal Disease Resistance Genes and Fungal Effectors

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

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 3531

Special Issue Editors

Dr. Sean Walkowiak

E-Mail Website
Guest Editor
Grain Research Laboratory, Canadian Grain Commission, Government of Canada, Manitoba, R3T 6C5, Canada
Interests: microbiology; plant pathology; toxins; genomics; genotyping; disease resistance; Fusarium
Dr. Rajagopal Subramaniam

E-Mail Website
Guest Editor
Agriculture & Agri-Food Canada, Ontario, Canada
Interests: plant–pathogen interactions; effector biology; regulation of secondary metabolism; chemical genetics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Cereals are staple foods that are important for our global food security. Rice, corn, wheat, barley, oats, rye, millet, triticale, and others are major sources of protein and calories in human and animal diets. However, fungal diseases threaten the production of cereal crops, resulting in reduced yields and quality. Plant pathogenic fungi are constantly changing and adapting to our agricultural practices, creating a moving target for disease management strategies. These challenges are exacerbated by intensified agricultural practices and changes in climate. The surveillance of pathogen populations and genes involved in toxin production and disease can guide disease management and breeding decisions. Breeders stay ahead of emerging fungal species and races that threaten cereal production by identifying new disease-resistance genes and incorporating them into elite cultivars. 

This Special Issue will focus on “Cereal Disease Resistance Genes and Fungal Effectors”. We welcome novel research, reviews and opinion pieces covering all related topics including breeding, resistance genes, genetic mapping, phenotyping, plant pathology, mycology, effectors, virulence genes, avirulence genes, population biology, management solutions, modelling, case studies from the field, and policy positions.

Dr. Sean Walkowiak
Dr. Rajagopal Subramaniam
Guest Editors

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

  • Cereal
  • Pathology
  • Resistance
  • Agronomy
  • Breeding
  • Mycology
  • Effectors
  • Avirulence
  • Genetics/genomics

Published Papers (1 paper)

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Research

18 pages, 2897 KiB  
Article
Identification of Candidate Genes and Genomic Regions Associated with Adult Plant Resistance to Stripe Rust in Spring Wheat
by Amira M. I. Mourad, Mohamed A. Abou-Zeid, Shamseldeen Eltaher, P. Stephen Baenziger and Andreas Börner
Agronomy 2021, 11(12), 2585; https://doi.org/10.3390/agronomy11122585 - 19 Dec 2021
Cited by 11 | Viewed by 2560
Abstract
Wheat stripe rust (caused by Puccinia striiformis f. sp. tritici) is a major disease that damages wheat plants and affects wheat yield all over the world. In recent years, stripe rust became a major problem that affects wheat yield in Egypt. [...] Read more.
Wheat stripe rust (caused by Puccinia striiformis f. sp. tritici) is a major disease that damages wheat plants and affects wheat yield all over the world. In recent years, stripe rust became a major problem that affects wheat yield in Egypt. New races appeared and caused breakdowns in the resistant genotypes. To improve resistance in the Egyptian genotypes, new sources of resistance are urgently needed. In the recent research, a set of 95 wheat genotypes collected from 19 countries, including Egypt, were evaluated for their resistance against the Egyptian race(s) of stripe rust under field conditions in the two growing seasons 2018/2019 and 2019/2020. A high genetic variation was found among the tested genotypes. Single marker analysis was conducted using a subset of 71 genotypes and 424 diversity array technology (DArT) markers, well distributed across the genome. Out of the tested markers, 13 stable markers were identified that were significantly associated with resistance in both years (p-value ≤ 0.05). By using the sequence of the DArT markers, the chromosomal position of the significant DArT markers was detected, and nearby gene models were identified. Two markers on chromosomes 5A and 5B were found to be located within gene models functionally annotated with disease resistance in plants. These two markers could be used in marker-assisted selection for stripe rust resistance under Egyptian conditions. Two German genotypes were carrying the targeted allele of all the significant DArT markers associated with stripe rust resistance and could be used to improve resistance under Egyptian conditions. Full article
(This article belongs to the Special Issue Cereal Disease Resistance Genes and Fungal Effectors)
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