Balancing Plant Robustness to Stress and Product Quality in Crops—Breeding Perspectives and Fundamental Studies

A special issue of Agronomy (ISSN 2073-4395).

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1021

Special Issue Editors


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Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: plant germplasm; genome; genome editing; interspecific hybridization; chromosome recombination
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Plant and Environmental Sciences, University of Copenhagen, 1871 Frederiksberg, Denmark
Interests: plant biochemistry; glucosinolates; plant resistance; plant defenses

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Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: plant abiotic and biotic stress tolerance; molecular breeding; GA signal transduction; heterosis utilization; agronomic traits
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plants with higher abiotic stress tolerance, disease and pest resistance and of a better quality have been a longstanding goal of plant breeders. However, the elimination of wild germplasm and landraces leads to the loss of disease resistance and quality genes. Furthermore, selection or biotechnological enforcement for either quality parameters or agronomic benefits may unintentionally compromise the other unless a holistic view is taken.

The present challenges in agriculture include climate change, pollution, disease and pest adaptation, restrictions of available land, nutrients and water and the need to minimize emissions of N and greenhouse gases. On the other hand, breeding for quality parameters such as health benefits, shelf life and taste are likewise important breeding goals.

For this Special Issue, we invite studies that take a holistic view on classical as well as biotechnological breeding and consider field performance parameters as well as product quality. We likewise invite fundamental studies investigating the effects of plant characters on a comprehensive scale as well as crop wild relatives that are used to increasing crop gene pools.

A comprehensive approach to crop quality is what unites this Special Issue. With respect to specific study types, this special issue will include essentially any methodology and scale, from macroscopic crop features, classic agronomy and genetics to molecular genetics, biochemistry and omics methods. It will also explore any kind of genetic modification, genome editing, or systematic use of random mutant libraries.

Dr. Xiaohui Zhang
Dr. Niels Agerbirk
Dr. Wenlong Yang
Guest Editors

Manuscript Submission Information

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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.

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Keywords

  • plant
  • resistant
  • quality
  • genetics
  • breeding

Published Papers (1 paper)

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Research

12 pages, 8162 KiB  
Article
Identification of Clubroot-Resistant Germplasm in a Radish (Raphanus sativus L.) Core Collection
by Yang Ma, Haiping Wang, Jiangping Song, Wenlong Yang, Huixia Jia, Niels Agerbirk, Yinan Chen, Chen Li, Yinglan Piao, Sen Li and Xiaohui Zhang
Agronomy 2024, 14(1), 157; https://doi.org/10.3390/agronomy14010157 - 10 Jan 2024
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Abstract
Clubroot disease, caused by Plasmodiophora brassicae, poses a significant global threat to cruciferous crops. The epidemic area of clubroot disease is expanding rapidly. In response to this pressing issue, there is a compelling need for the development of clubroot disease-resistant radish cultivars. [...] Read more.
Clubroot disease, caused by Plasmodiophora brassicae, poses a significant global threat to cruciferous crops. The epidemic area of clubroot disease is expanding rapidly. In response to this pressing issue, there is a compelling need for the development of clubroot disease-resistant radish cultivars. China boasts an extensive array of radish varieties and germplasm resources. However, a comprehensive assessment of their resistance to clubroot has not yet been carried out, thereby impeding the effective utilization of germplasm and clubroot-resistant breeding. Therefore, it is urgent to systematically evaluate the clubroot resistance of the radish germplasm and identify resistant resources. In this study, clubroot resistance evaluations were conducted on 268 excellent radish varieties derived from 30 provinces in China, as well as seven accessions from Russia, North Korea, France, South Korea, and Germany. The resistance evaluation revealed a diverse range of resistance indices, with a mean disease index (DI) ranging from 0.6 to 58.5, showing significant disparities in clubroot resistance among these radish resources. A total of six accessions were characterized as highly resistant to clubroot, and a further 50 accessions were characterized as resistant. The disease-resistant radishes showed diversity in horticultural traits. Provinces in South China contributed significantly more resistance germplasm than those of North China. These materials are of great value for both genetic investigation and the crop breeding of clubroot resistance. Furthermore, we employed a previously established clubroot-resistance-linked SSR marker to analyze the clubroot-resistant resources. The accessions exhibited dissimilar genetic profiles from known clubroot-resistant germplasm, suggesting their potential status as novel sources of clubroot resistance. Conclusively, these newly identified accessions enriched the genetic diversity within the clubroot-resistant gene pool and may contribute to the future cloning of previously undiscovered clubroot-resistant genes. Full article
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