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Forests
Special Issues
Forest Tree Seed and Seedling Production
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Forest Tree Seed and Seedling Production

A Special Issue of Forests (ISSN 1999-4907) belonging to the section "Forest Ecology and Management".

Deadline for manuscript submissions: closed (30 April 2026) | Viewed by 1534

Editors

Prof. Dr. Nebi Bilir

E-Mail Website
Guest Editor
Faculty of Forestry, Isparta University of Applied Sciences, Isparta, Turkey
Interests: tree breeding; seed orchards; seed stands; quantitative genetics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kyu Suk Kang

E-Mail Website
Guest Editor
Department of Agriculture, Forestry and Bioresources, Seoul National University, Seoul 08826, Republic of Korea
Interests: tree seed; seed orchards; quantitative genetics, forest genomics
Special Issues, Collections and Topics in MDPI journals
Dr. Marianthi Tsakaldimi

E-Mail Website
Guest Editor
Lab of Silviculture, Faculty of Forestry and Natural Environment, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: seed science; seedling production
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Seeds and seedlings are the main materials in the conversion of unproductive forests to productive forests. They can be improved by genetic, management, establishment, and selection strategies of mass or individual seed sources, as well as by seed technology and nursery practices. Quality and adaptability of the materials have important roles in the economical and biological success of forest establishment practices and sustainable forestry. Additionally, they have a link between present and future generations of forests. Our goal is to facilitate the exchange of research and practice information on the progress of seedling production and seed science of forest trees. Therefore, we encourage papers to maximize quality of seed and seedling materials to establish resistance forests against biotic and abiotic damage.

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

  • Afforestation practices;
  • Morphology, genetic, and physiology of seed and seedling;
  • Nursery practices;
  • Seed sciences and technology;
  • Seedling production;
  • Selection, establishment, management, and genetics of seed sources.

Prof. Dr. Nebi Bilir
Prof. Dr. Kyu Suk Kang
Dr. Marianthi Tsakaldimi
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Forests 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

  • afforestation
  • forest seedling
  • growing media
  • plantation
  • seedling quality
  • seed orchard
  • seed stand
  • seed technology
  • tree seed

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

31 pages, 15056 KB  
Article
Photosynthetic Response of Larix gmelinii var. japonica Saplings After Exogenous Glutathione Foliar Application
by Resa Sri Rahayu, Wataru Ishizuka, Ayu Narita, Rie Miyata, Naoko H. Miki, Hirokazu Kon and Yuko Miyazaki
Forests 2026, 17(5), 530; https://doi.org/10.3390/f17050530 - 28 Apr 2026
Viewed by 384
Abstract
Sapling survival and growth depend on photosynthetic assimilates. Therefore, improving physiological performance during early stages may enhance subsequent performance and nursery production. This study evaluated whether exogenous oxidized glutathione (GSSG), reported to enhance photosynthesis, improves the photosynthetic, physiological, and growth-related traits of Larix [...] Read more.
Sapling survival and growth depend on photosynthetic assimilates. Therefore, improving physiological performance during early stages may enhance subsequent performance and nursery production. This study evaluated whether exogenous oxidized glutathione (GSSG), reported to enhance photosynthesis, improves the photosynthetic, physiological, and growth-related traits of Larix gmelinii var. japonica saplings. Sixteen saplings were assigned to four treatments: GSSG, 5-aminolevulinic acid, Hyponex, and a water control. Photosynthetic, nitrogen-related, and growth traits were measured before treatment and at 3, 6, 13, and 31 days after treatment, and biomass was assessed after three months. The GSSG treatment showed no difference in the net CO2 assimilation rate (Amax) compared with the control, but exhibited a significantly earlier peak at 6 days than the other treatments. This response was supported by the stability of GSSG-treated saplings against photoinhibition (Fv/Fm) and a tendency toward greater resilience to midday light stress (ΦPSII). Enhanced photosynthetic performance was associated with reduced carbon and nitrogen fluctuations and was accompanied by numerically greater root and stem biomass in the 2024 terminal shoots. Although fertilization effects were generally weak and transient, GSSG elicited notable responses, suggesting that the immediate enhancement of photosynthesis underlies its impact. However, its antioxidant properties under stressful conditions warrant further investigation. Full article
(This article belongs to the Special Issue Forest Tree Seed and Seedling Production)
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12 pages, 1155 KB  
Article
Annual Variability in Cone and Seed Yields Across Seed Stands of Taurus Cedar (Cedrus libani) and Its Impact on Gene Diversity of Seed Crops
by Kyu-Suk Kang, Marianthi Tsakaldimi and Nebi Bilir
Forests 2026, 17(4), 481; https://doi.org/10.3390/f17040481 - 14 Apr 2026
Cited by 2 | Viewed by 520
Abstract
The variation in annual cone and seed production was examined for three natural seed stands of Taurus cedar (Cedrus libani A. Rich., Pinaceae), each with distinct structural characteristics, sampled from 35 trees for three consecutive years. Fertility variation (Ψ), estimated by cone [...] Read more.
The variation in annual cone and seed production was examined for three natural seed stands of Taurus cedar (Cedrus libani A. Rich., Pinaceae), each with distinct structural characteristics, sampled from 35 trees for three consecutive years. Fertility variation (Ψ), estimated by cone (ΨC) and seed (ΨS) yields per tree, was also analyzed to contribute to the management and development of silvicultural practices for the seed stands of the species. Significant differences (p < 0.05) were recorded in cone and seed production across years, between populations, and between trees within a population. Population x year interactions were also significant (p < 0.05), highlighting the importance of seed harvesting year in cone collection. Fertility variation in cones and filled seeds showed only small deviation [ΨC = 1.10 (91% of census number)–1.71 (59%), Ψs = 1.25 (80%)–1.71 (59%)] among the seed stands in different years, except ΨS = 2.38 (42%) in a population in one year. The cone and seed fertility were at acceptable levels for an ideal natural population (Ψ ≤ 3). Figures of parental balance curves showed that the contribution to the gamete gene pool was much closer to equal for cone production across the years than for filled seed production in both individual stands and pooled stands, suggesting that the number of cones is a good indicator of overall seed production. Difference in gene diversity (GD) was 0.005 from individual year (GD = 0.992 and 0.993) to pooled years of the populations (GD = 0.997 and 0.998) for both cone and seed yields, while it was higher among years within population (e.g., 0.017 for cone yield and 0.026 for seed yield in a population). Full article
(This article belongs to the Special Issue Forest Tree Seed and Seedling Production)
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