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Plants
Special Issues
Germplasm Resources and Breeding of Vegetable Crops
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Germplasm Resources and Breeding of Vegetable Crops

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Horticultural Science and Ornamental Plants".

Deadline for manuscript submissions: closed (10 July 2022) | Viewed by 4756

Special Issue Editors

Prof. Dr. Xixiang Li

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Guest Editor
Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: vegetable crop evolution and classification; genetic diversity; genetic analysis of target traits; gene mapping; vegetable genomics; transcriptome; flowering and sex expression; resistance to diamond back moth and black rot; radish, cucumber
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Haiping Wang

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Guest Editor
Department of Vegetable Germplasm Resources, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
Interests: vegetable genetic resources and biotechnology
Dr. Yuyan Sun

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Guest Editor
Institute of Vegetables, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
Interests: cucurbitaceous vegetable breeding and germplasm resources; exploitation of genes controlling the important agronomic and high-quality traits in watermelon and sponge gourd

Special Issue Information

Dear Colleagues,

Vegetables are usually considered to be the plants of which the roots, stems, leaves, flowers or fruits can be used as essential and special foods in people's daily diet. Vegetables can provide a variety of essential vitamins, minerals and other nutrients. In addition, there are a variety of phytochemicals in vegetables, which are recognized as effective components for health or medicinal purposes.

Because of the domestication “bottleneck” effect from human beings, the genetic basis of major vegetable crop species is becoming increasingly narrow. Due to drastic climate changes, the occurrence and spread of new pathogens, soil and water pollution, as well as a demand from society for new and specific products, there is an urgent need to broaden genetic diversity and improve the production performance and product quality of vegetable crops, as important goals of vegetable breeding.

The genetic resources of vegetable crops include old and modern varieties, landraces, breeding lines, and wild species. A well-characterized and diverse collection is crucial for breeding programs and for inheritance studies of desirable genes. They can be used to broaden the genetic diversity of breeding material for resistance to harmful organisms and tolerance to abiotic or biotic stresses, and further for breeding new varieties possessing valuable traits by hybridization, mutation, gene editing, etc.

This Special Issue on “Germplasm Resources and Breeding of Vegetable Crops” welcomes the submission of review and research papers or short communications on topics related to the characterization and evaluation of vegetable germplasm resources; inheritance and the identification of genes influencing valuable traits, and the enhancement of breeding materials using the combination of traditional, multiple omics and biological technologies.

Prof. Dr. Xixiang Li
Prof. Dr. Haiping Wang
Dr. Yuyan Sun
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. Plants is an international peer-reviewed open access semimonthly 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 2700 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

  • vegetable crops
  • germplasm resources
  • assessment of yield and quality traits
  • evaluation of resistance to abiotic or biotic stresses
  • inheritance of desirable genes
  • germplasm enhancement and breeding
  • new technology application

Published Papers (2 papers)

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Research

16 pages, 3707 KiB  
Article
Higher Phytohormone Contents and Weaker Phytohormone Signal Transduction Were Observed in Cold-Tolerant Cucumber
by Radwa Salah, Rui-Jin Zhang, Shi-Wei Xia, Shan-Shan Song, Qian Hao, Mustafa H. Hashem, Huan-Xiu Li, Yu Li, Xi-Xiang Li and Yun-Song Lai
Plants 2022, 11(7), 961; https://doi.org/10.3390/plants11070961 - 01 Apr 2022
Cited by 1 | Viewed by 1904
Abstract
Cucumbers (Cucumis sativus L.) originated from the South Asian subcontinent, and most of them are fragile to cold stress. In this study, we evaluated the cold tolerance of 115 cucumber accessions and screened out 10 accessions showing high resistance to cold stress. [...] Read more.
Cucumbers (Cucumis sativus L.) originated from the South Asian subcontinent, and most of them are fragile to cold stress. In this study, we evaluated the cold tolerance of 115 cucumber accessions and screened out 10 accessions showing high resistance to cold stress. We measured and compared plant hormone contents between cold-tolerant cucumber CT90R and cold-sensitive cucumber CT57S in cold treatment. Most of the detected plant hormones showed significantly higher content in CT90R. To elucidate the role of plant hormones, we compared the leaf- and root-transcriptomes of CT90R with those of CT57S in cold stress treatment. In leaves, there were 1209 differentially expressed genes (DEGs) between CT90R and CT57S, while there were 703 in roots. These DEGs were not evenly distributed across the chromosomes and there were significant enrichments at particular positions, including qLTT6.2, a known QTL controlling cucumber cold tolerance. The GO and KEGG enrichment analysis showed that there was a significant difference in the pathway of plant hormone transductions between CT90R and CT57S in leaves. In short, genes involved in plant hormone transductions showed lower transcription levels in CT90R. In roots, the most significantly different pathway was phenylpropanoid biosynthesis. CT90R seemed to actively accumulate more monolignols by upregulating cinnamyl-alcohol dehydrogenase (CAD) genes. These results above suggest a new perspective on the regulation mechanism of cold tolerance in cucumbers. Full article
(This article belongs to the Special Issue Germplasm Resources and Breeding of Vegetable Crops)
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14 pages, 11973 KiB  
Article
Unravelling the Genetic Architecture of Rust Resistance in the Common Bean (Phaseolus vulgaris L.) by Combining QTL-Seq and GWAS Analysis
by Xinyi Wu, Baogen Wang, Yan Xin, Ying Wang, Shuo Tian, Jian Wang, Xiaohua Wu, Zhongfu Lu, Xinjiang Qi, Liming Xu and Guojing Li
Plants 2022, 11(7), 953; https://doi.org/10.3390/plants11070953 - 31 Mar 2022
Cited by 3 | Viewed by 2063
Abstract
The common bean (Phaseolus vulgaris L.) is the most important legume crop directly used for human consumption worldwide. Bean rust, caused by Uromyces appendiculatus, is a devastating disease and usually causes severe loss of seed yield and pod quality. Deployment of [...] Read more.
The common bean (Phaseolus vulgaris L.) is the most important legume crop directly used for human consumption worldwide. Bean rust, caused by Uromyces appendiculatus, is a devastating disease and usually causes severe loss of seed yield and pod quality. Deployment of resistant cultivars is the best strategy to combat this disease. However, despite being the largest snap bean-producing country, the genetic basis research of rust resistance has largely lagged in China. In this study, an RIL population and a diversity panel were evaluated for rust resistance against a purified rust isolate Cua-LS using a detached leaf assay. Deploying a QTL-Seq analysis in the RIL population, a 1.81 Mb interval on chromosome 4, a 2.73 Mb interval on chromosome 5 and a 1.26 Mb interval on chromosome 6 were identified as major QTLs for rust resistance, designated as Qur-1, Qur-2 and Qur-3, respectively. Through a GWAS diversity panel, 64 significant SNPs associated with rust resistance were detected, distributed in all 11 chromosomes and explaining 19–49% of the phenotypic variation. Synteny analysis showed that Qur-2 was validated in GWAS, but the rust QTL/SNPs detected in our study were different from the known genes, except Ur-11. A total of 114 candidate genes, including the typical NBS-LRR genes, protein kinase superfamily proteins and ABC transporter family proteins, were identified and proposed as the likely candidates. The identified 17 resistant accessions will enrich the resistant germplasm resources, and the detected QTLs/SNPs will facilitate the molecular breeding of rust resistance in the common bean. Full article
(This article belongs to the Special Issue Germplasm Resources and Breeding of Vegetable Crops)
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