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Agronomy
Special Issues
Research Progress in Genetic Breeding of Ornamental Plants
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Research Progress 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 (31 August 2023) | Viewed by 1309

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, transgene and genome editing, the genetic breeding of ornamental plants has entered a new era. Based on these, we have decided to launch this Special Issue titled “Research Progress 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 are encouraged for submission, focusing on, but not limited to, the following areas:

  • 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 (1 paper)

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Research

16 pages, 635 KiB  
Article
Heterosis and Mixed Genetic Analysis of Flowering Traits in Cross Breeding of Day-Neutral Chrysanthemum (Asteraceae)
by Xiaoyun Wu, Xiaogang Zhao, Kang Gao, Yuankai Tian, Mengmeng Zhang, Neil O. Anderson and Silan Dai
Agronomy 2023, 13(8), 2107; https://0-doi-org.brum.beds.ac.uk/10.3390/agronomy13082107 - 11 Aug 2023
Cited by 2 | Viewed by 1069
Abstract
Day-neutral multiflora chrysanthemums can flower throughout the year without being influenced by daylength and have great application value in gardens. Studying heterosis and the genetic basis of important traits in day-neutral chrysanthemums can accelerate the breeding of new cultivars. In this research, a [...] Read more.
Day-neutral multiflora chrysanthemums can flower throughout the year without being influenced by daylength and have great application value in gardens. Studying heterosis and the genetic basis of important traits in day-neutral chrysanthemums can accelerate the breeding of new cultivars. In this research, a genetic population was constructed by crossing 135 F1 hybrid progeny from the day-neutral chrysanthemum ‘82-81-19’ (female parent) and the late-flowering chrysanthemum ‘388Q-76’ (male parent). Six traits, including abnormal (crown) bud, plant height, plant crown width, budding date, full flowering date, and number of petal layers, were selected for inheritance and heterosis analyses, and a single-generation major gene plus polygene mixed inheritance model was used to perform mixed inheritance analysis on these traits. The results indicated that the six traits were widely segregated in the F1 population, with the coefficient of variation (CV) ranging from 30% to 84%. The phenomena of heterosis and extra-parent segregation existed generally in F1 progeny, and the ratio of heterosis value of mid-parents (RHm) for the six traits was 45.5%, 2%, 2%, 6%, 6%, and −0.3%, respectively. The mixed genetic analysis showed that the abnormal (crown) bud and budding date were fitted to the B-3 model and controlled by two pairs of additive major genes. The plant height and plant crown width were fitted to the A-0 model, and no major gene was detected. The full flowering date was fitted to the A-1 model and was controlled by one pair of major genes. The number of petal layers was fitted to the B-1 model and controlled by two pairs of additive–dominant major genes. The heritabilities of major genes for abnormal bud, budding date, full flowering date, and the number of petal layers were 1.0, 0.9871, 0.7240, and 0.5612, respectively, indicating that these traits were less affected by environmental factors. Using a percentile scoring method, eight day-neutral chrysanthemum genotypes were selected from the hybrid progeny. Full article
(This article belongs to the Special Issue Research Progress in Genetic Breeding of Ornamental Plants)
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