Genetic Innovation and Breeding in Ornamental Plants

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Genetics, Genomics, Breeding, and Biotechnology (G2B2)".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 761

Special Issue Editors


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Guest Editor
College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China
Interests: ornamental horticulture; molecular breeding; abiotic resistance; plant architecture
Special Issues, Collections and Topics in MDPI journals
College of Forestry, College of Landscape and Tourism, Hebei Agricultural University, Baoding 071000, China
Interests: ornamental trees and shrubs; germplasm resources; plant genome; molecular mechanisms; molecular design breeding
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor

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Guest Editor Assistant
College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China
Interests: ornamental plants; plant architecture; abiotic resistance; molecular breeding

Special Issue Information

Dear Colleagues,

As the world moves towards an era marked by economic globalization and a growing awareness of environmental stewardship, the quest for ornamental plants has gone beyond mere esthetic appeal. Today, there is a burgeoning demand for ornamental plants that not only attract people with their vibrant colors, striking forms, and captivating fragrances, but also embody the principles of sustainability and resilience. This has spawned a quest for new ornamental plant varieties that are not only fast-growing and resource-efficient, but that also have strong resilience and positive environmental impacts. While traditional breeding remains the cornerstone for breeding new plant varieties, the advent of molecular breeding techniques has revolutionized the situation, bridging interspecific differences and accelerating the breeding of unique exotic varieties. This Special Issue will explore the convergence of conventional wisdom with cutting-edge innovations, highlighting the transformative potential of these advances to improve product quality and promote industrial competitiveness.

This Special Issue aims to provide an accessible collection of research that shares the latest innovative results from the research field of ornamental plants to aid further studies on ornamental and resistant traits in plants.

At the forefront of ornamental plant science, researchers are unraveling the complex mechanisms behind the key traits that determine the attractiveness and vitality of these plants. Advances in new technologies and strategic approaches are not only reshaping our understanding of ornamental plant biology, but are also driving the development of cutting-edge breeding techniques.

Topics of this Special Issue include, but are not limited to, the following: Origin and evolutionary analysis of ornamental plants; new and innovative results in ornamental woody plant genetics and breeding; the function of key genes for ornamental and resistance traits in ornamental plants; the genomics, epigenomics, transcriptomics, and metabolomics of ornamental plants; the epigenetic regulation of ornamental and resistant traits; transcription factor and regulatory networks in ornamental plants; and novel technologies and strategies for ornamental plants studies.

You may choose our Joint Special Issue in Forests.

Dr. Lulu Li
Dr. Ping Li
Prof. Dr. Adriana F. Sestras
Guest Editors

Dr. Yiqian Ju
Guest Editor Assistant

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. Horticulturae 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 2200 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 plants
  • high-throughput sequencing
  • regulatory mechanisms
  • genes
  • transcription factors
  • epigenetic regulation
  • origins and evolution

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Published Papers (1 paper)

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Research

11 pages, 5588 KiB  
Article
Exploration of B Chromosome Origin in Allotriploid Lily Associated with Anomalous Meiosis
by Kongzhong Xiao, Lijie Yang, Hui Li, Pengfei Du, Rong Fu and Changlong Xiao
Horticulturae 2025, 11(3), 267; https://doi.org/10.3390/horticulturae11030267 - 1 Mar 2025
Viewed by 565
Abstract
Supernumerary (B) chromosomes are widespread in numerous plants, including the Lilium genus. However, their origin remains unclear. This study used traditional and modern cytogenetics to analyze the triploid lily cultivar ‘Eyeliner’ (LAA) to identify the microsporogenesis, fertility, and chromosome composition of its progeny [...] Read more.
Supernumerary (B) chromosomes are widespread in numerous plants, including the Lilium genus. However, their origin remains unclear. This study used traditional and modern cytogenetics to analyze the triploid lily cultivar ‘Eyeliner’ (LAA) to identify the microsporogenesis, fertility, and chromosome composition of its progeny and record a case of potential B chromosome formation. The results indicated anomalous meiosis of LAA in all processes. In microspores, different cells had different numbers of chromosomes and fragments. Moreover, the fluorescence in situ hybridization (FISH) results showed that some fragments contained telomere signals at both ends. The LAA × AA progenies were aneuploid, with one progeny containing a small aberrant chromosome (potential B chromosome). The genomic in situ hybridization (GISH) results showed that the aberrant chromosome originated from the L genome. In contrast, the FISH results showed that the aberrant chromosome contained two telomere signals. This suggests that the anomalous meiosis of the triploid lily forms chromosome bridges, fragments, and small aberrant chromosomes (isochromosome), which eventually form aneuploid gametes containing small aberrant chromosomes passed on to the progeny. This study provides a case in which the potential B chromosomes are derived from the A chromosomes. Full article
(This article belongs to the Special Issue Genetic Innovation and Breeding in Ornamental Plants)
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