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Agronomy
Special Issues
Frontier Studies in Genetic Breeding of Ornamental Plants
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Frontier Studies in Genetic Breeding of Ornamental Plants

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Horticultural and Floricultural Crops".

Deadline for manuscript submissions: closed (28 September 2022) | Viewed by 3566

Special Issue Editor

Dr. Haibin Wang

E-Mail Website
Guest Editor
Key Laboratory of Biology of Ornamental Plants in East China, National Forestry and Grassland Administration, College of Horticulture, Nanjing Agricultural University, Nanjing, China
Interests: plant genome evolution; polyploid evolution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Ornamental plants constitute natural living beauty that enriches the quality of human life and represents an important economic grouping within the ornamental industry. In recent years, with the development and rapid application of molecular biology, genomics, and transgene and genome editing, the genetic breeding of ornamental plants has entered a new era. Based on this, we have decided to publish this Special Issue, titled “Frontier Studies in Genetic Breeding of Ornamental Plants”. This Special Issue welcomes contributions from researchers working in the fields of cross breeding, ploidy breeding, genetic engineering breeding, and mutation breeding. Original research articles focusing on (but not limited to) the following research areas will be considered:

  • Hybrid vigour or weakness;
  • Polyploids;
  • Population genetics/genomics;
  • Molecular evolution and phylogenetics;
  • Proteomics and metabolic profiling;
  • Abiotic stress of offspring;
  • Candidate genes for breeding and transgenic breeding.

We look forward to receiving your contributions.

Dr. Haibin Wang
Guest Editor

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

  • ornamental plant
  • cross breeding
  • ploidy breeding
  • genetic engineering breeding
  • mutation breeding
  • molecular mechanism
  • heterosis
  • genetics
  • molecular evolution and phylogenetics
  • proteomics and metabolic profiling
  • molecular markers
  • gene mapping

Published Papers (2 papers)

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Research

15 pages, 2233 KiB  
Article
Germplasm Innovation and Establishment of Comprehensive Evaluation System for Hedgerow Garden Chrysanthemum
by Yong Zhao, Bingjie Huo, Sisi Lin, Shuangshuang Zhang, Chenyuan Mao, Jiafu Jiang, Sumei Chen, Weimin Fang, Zhiyong Guan, Yuan Liao, Zhenxing Wang, Fadi Chen and Haibin Wang
Agronomy 2022, 12(8), 1736; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy12081736 - 22 Jul 2022
Cited by 6 | Viewed by 1481
Abstract
Garden chrysanthemums are a group of chrysanthemums (Chrysanthemum morifolium) that are mostly used in garden landscape collocations. Because most garden chrysanthemum varieties have low plants and poor space effects, they have certain limitations in garden landscape applications. In this study, we [...] Read more.
Garden chrysanthemums are a group of chrysanthemums (Chrysanthemum morifolium) that are mostly used in garden landscape collocations. Because most garden chrysanthemum varieties have low plants and poor space effects, they have certain limitations in garden landscape applications. In this study, we selected seven garden chrysanthemum varieties with excellent characteristics for artificial hybridization and intercross parentage to obtain new varieties with good traits we need. The phenotypic characteristics of the F1 offspring in terms of plant height, crown width, crown height ratio, number of main branches, branching intensity, plant form, inflorescence diameter, number of flowers per plant, number of ray florets, flower color, and days from planting period to coloring period were analyzed and systematically evaluated. Subsequently, a comprehensive evaluation system was established using the analytic hierarchy process (AHP) and k-means clustering method. We built a comprehensive analysis model, calculated the weighting of each evaluation factor, and multiplied the weight value by the score of the evaluation index standard of each factor to obtain the comprehensive score of each plant. All F1 plants were divided into four grades: excellent grade accounting for 13%, good grade accounting for 28%, medium grade accounting for 36%, and poor grade accounting for 23%. Then, we analyzed the differences of some quantitative traits between Group E (hybrids in excellent grade) and Group O (hybrids in good, medium, and poor grades). There were significant differences in plant height, crown height ratio, and the number of main branches but no significant difference in crown width. Combining with comprehensive score showed that Group E performed well overall. Finally, we selected five hybrid offspring with the highest overall scores in Group E as excellent variety materials of garden chrysanthemum for hedgerow. They were CH22, YQ73, HY08, CQ80, and HY07, respectively. We also found that plant height, lodging resistance, crown height ratio, plant form, crown width, and the number of main branches could be the main indicators in the AHP, which can be effectively applied to the comprehensive evaluation and breeding of garden chrysanthemums for hedgerows. Full article
(This article belongs to the Special Issue Frontier Studies in Genetic Breeding of Ornamental Plants)
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13 pages, 30274 KiB  
Article
Characterization of the MADS-Box Gene CmFL3 in chrysanthemum
by Kunkun Zhao, Song Li, Diwen Jia, Xiaojuan Xing, Haibin Wang, Aiping Song, Jiafu Jiang, Sumei Chen, Fadi Chen and Lian Ding
Agronomy 2022, 12(7), 1716; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy12071716 - 20 Jul 2022
Cited by 3 | Viewed by 1701
Abstract
Chrysanthemummorifolium is one of the four major cut flowers in the world, with high ornamental and economic value. Flowering time is an important ornamental characteristic of chrysanthemum that affects its value in the market. In Arabidopsis, the FRUITFULL (FUL) gene [...] Read more.
Chrysanthemummorifolium is one of the four major cut flowers in the world, with high ornamental and economic value. Flowering time is an important ornamental characteristic of chrysanthemum that affects its value in the market. In Arabidopsis, the FRUITFULL (FUL) gene plays a key role in inducing flowering. Here, we isolated an FUL clade MADS-box gene, CmFL3, from chrysanthemum inflorescence buds. CmFL3 localized in the cellular membrane and nucleus, and showed no transcriptional activity in yeast. The qRT-PCR assay showed that CmFL3 was strongly expressed in the leaves, receptacles, and disc floret petals. Furthermore, CmFL3 was mainly detected in the inflorescence meristem and bract primordia using in situ hybridization. Similar to Arabidopsis, overexpression of CmFL3 in chrysanthemum induced early flowering. Particularly, the expression level of CmAFT was downregulated, whereas that of CmFTL3 was upregulated in the leaves of transgenic chrysanthemum lines. Meanwhile, the overexpression of CmFL3 in Arabidopsis also led to earlier flowering. Furthermore, the expression of AtFT, AtAP1, AtLFY, and AtFUL was significantly increased in CmFL3 transgenic Arabidopsis. The present study verified the function of CmFL3 in regulating flowering time and further revealed that it could affect the expression of other flowering-related genes—CmAFT and CmFTL3. Therefore, the CmFL3 gene may be an important candidate for genetic breeding aimed at regulating flowering. Full article
(This article belongs to the Special Issue Frontier Studies in Genetic Breeding of Ornamental Plants)
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