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Sexual and Asexual Reproduction in Forest Plants—2nd Edition
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Sexual and Asexual Reproduction in Forest Plants—2nd Edition

A special issue of Plants (ISSN 2223-7747). This special issue belongs to the section "Plant Cell Biology".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 463

Special Issue Editor

Prof. Dr. Ling Yang

E-Mail Website
Guest Editor
1. College of Forestry, Beijing Forestry University, Beijing 100091, China
2. Department of Biology, Shenzhen MSU-BIT University, Shenzhen 518172, China
3. State Key Laboratory of Tree Genetics and Breeding, Northeast Forestry University, Harbin 150040, China
Interests: somatic embryogenesis; stem cell culture; cryopreservation; stress resistance physiology; nitric oxide signaling; seed dormancy; multi-varietal forestry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Forest plants can regenerate through both asexual and sexual means, with asexual reproduction being able to maintain the original species composition, while sexual reproduction is the main source of diversity. Asexual reproduction can greatly increase the quantity of reproduction, and its use in plant genetic improvement can achieve asexual breeding to obtain more benefits. Sexual reproduction can alter the genetic traits of offspring, providing more possibilities for their later survival to cope with diverse and complex external natural environments. The difference between pollinators and seed carriers significantly affects the efficiency of plant gene transfer and gene flow patterns; climate change and natural disturbances affect plant reproductive strategies and forest diversity; and the reproductive methods of forest plants have been evolving to better interact with the environment. The study of their advantages and disadvantages, their evolutionary significance, and the environmental factors affecting sexual and asexual reproduction methods of forest plants will help us to understand the mechanisms driving forest plant reproduction strategies and the significance of the evolution of these two reproduction methods, providing new perspectives for forest management.

Potential areas of interest include, but are not limited to, the following topics:

  • Gender differentiation;
  • Pollination and fertilization;
  • Dormancy and germination;
  • Gene flow;
  • Biodiversity;
  • Clone reproduction;
  • Genetic improvement;
  • Multi-varietal forestry, MVF;
  • Reproductive evolution;
  • Environmental adaptation.

Prof. Dr. Ling Yang
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. 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

  • gender differentiation
  • pollination and fertilization
  • dormancy and germination
  • clone reproduction
  • genetic improvement
  • reproductive evolution
  • environmental adaptation

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Related Special Issue

Published Papers (2 papers)

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Research

12 pages, 9775 KB  
Article
5-AzaC Facilitates Somatic Embryogenesis and Germination Across Two Embryogenic Lines in Larix olgensis
by Wenna Zhao, Yu Liu, Chen Wang, Yajing Ning, Chengpeng Cui, Hanguo Zhang, Meng Li and Shujuan Li
Plants 2025, 14(18), 2818; https://doi.org/10.3390/plants14182818 - 9 Sep 2025
Abstract
Long-term subculture of embryogenic callus leads to a decline in somatic embryogenesis and germination capacity, which may be associated with increased methylation levels. 5-Azacytidine (5-AzaC), a methylation inhibitor, modulates DNA methylation and is widely involved in regulating plant growth, development, and metabolism. In [...] Read more.
Long-term subculture of embryogenic callus leads to a decline in somatic embryogenesis and germination capacity, which may be associated with increased methylation levels. 5-Azacytidine (5-AzaC), a methylation inhibitor, modulates DNA methylation and is widely involved in regulating plant growth, development, and metabolism. In order to investigate the effect of 5-AzaC on somatic embryogenesis and germination in Larix olgensis, we supplemented the proliferation medium with different concentrations of 5-AzaC. The results showed that the addition of 5-AzaC inhibited the proliferation of embryogenic callus, with the proliferation of embryogenic line N2 completely inhibited at 100 μM, while that of embryogenic line N4 ceased at 20 μM. In contrast, treatment with 10 μM and 20 μM of 5-AzaC significantly increased the somatic embryo yield in both embryogenic lines, with the peak yield observed at 20 μM for embryogenic line N2 and at 10 μM for embryogenic line N4. Furthermore, the addition of 10 μM 5-AzaC effectively reduced the deformity rate during somatic embryo germination in embryogenic line N2 and N4, by 15.91% and 13.53%, respectively. These findings demonstrate that 5-AzaC can partially restore the somatic embryogenesis potential of embryogenic callus in L. olgensis under long-term subculture. Additionally, these results suggest that its effects may be both concentration-dependent and genotype-specific. The results provide a potential approach to mitigating the decline in embryogenic competence, while also demonstrating significant potential for large-scale propagation. Full article
(This article belongs to the Special Issue Sexual and Asexual Reproduction in Forest Plants—2nd Edition)
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18 pages, 6497 KB  
Article
Successful Establishment of Somatic Embryogenesis and Shoot Organogenesis Systems in Catalpa bungei C.A.Mey
by Jingshuang Sun, Jiewen Li, Mengnan Zhao, Guangshun Zheng, Jing Zhang, Bao Di, Wenjun Ma, Junhui Wang and Ruiyang Hu
Plants 2025, 14(17), 2688; https://doi.org/10.3390/plants14172688 - 28 Aug 2025
Viewed by 346
Abstract
Catalpa bungei C.A.Mey is an economically significant deciduous tree valued for timber production and landscaping applications. An efficient regeneration system is crucial for clonal propagation and serves as a foundation for future molecular breeding in C. bungei. This study established two in [...] Read more.
Catalpa bungei C.A.Mey is an economically significant deciduous tree valued for timber production and landscaping applications. An efficient regeneration system is crucial for clonal propagation and serves as a foundation for future molecular breeding in C. bungei. This study established two in vitro regeneration pathways—indirect somatic embryogenesis and shoot organogenesis utilizing mature zygotic embryos as explants. Primary callus was induced from cotyledon, hypocotyl, and plumule explants. A high frequency (45.73%) of yellow-green compact callus was achieved on De-Klerk and Walton (DKW) medium supplemented with 2.0 mg/L 6-BA, 1.0 mg/L zeatin (ZT), and 0.1 mg/L NAA. Subsequent transfer to 1.5× Murashige and Skoog (MS) medium containing 1.5 mg/L 6-BA, 0.2 mg/L ZT, and 0.1 mg/L NAA yielded the highest embryogenic callus induction rate (16.67%). Embryogenic callus demonstrated bipotent potential, generating both adventitious shoots and somatic embryos under specific hormonal conditions. Histological analyses confirmed the typical developmental stages of somatic embryos, from globular to cotyledonary forms, validating the embryogenic origin of regenerated structures. Furthermore, hormone or osmotic additives such as abscisic acid (ABA), Phytagel, and polyethylene glycol 4000 (PEG4000) significantly enhanced somatic embryo induction, with Phytagel at 5.0 g/L achieving the highest rate (76.31%). For shoot organogenesis, the optimal hormonal combination of the 0.6 mg/L 6-BA, 0.4 mg/L KT, and 0.15 mg/L NAA achieved the highest bud induction rate (88.89%) and produced an average of 4.07 adventitious buds per explant. This study presents an efficient regeneration system for C. bungei, providing a practical platform for large-scale propagation and basis for biotechnological applications in woody plants. Full article
(This article belongs to the Special Issue Sexual and Asexual Reproduction in Forest Plants—2nd Edition)
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