International Scientific Journal on Reforestation, Afforestation and Tree Reproduction
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Issue 21, 2026

Online ISSN: 2466-4367

, Issue 21, (2026)

Published: 22.01.2026.

Open Access

This Special Issue of Reforesta, International Practices for Regenerating and Restoring Forest Trees by Seeding, brings together regional practice and research from North America, South America, Europe, Asia, and Oceania on using broadcast and direct seeding to create forest cover. It presents a significant range of seeding activities inclusive of species, forests, sites, and climates. Seeding has regained interest because of its scalability and cost-effectiveness, particularly for remote or inaccessible areas, sites with low productivity where planting seedling costs are prohibitive, or when aiming for a more natural forest structure. Technological innovations, particularly in seed treatments, automation, and precision seeding improve success of large-scale seed dispersal.

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01.12.2016.

Research paper

Seedling Quality in Serbia – Results from a Three-Year Survey
During a three-year survey in 14 forest nurseries in Serbia we measured seedlings of 19 species and 96 stocktypes of both conifers and broadleaves. Seedlings were measured in the nurseries for height and diameter, and subsamples was taken for measurements of shoot and root dry weight, and presence of mycorrhiza. Results of mean values and variation of measured morphological attributes are presented and compared to Serbian standard for seedlings quality. We found mycorrhiza on seedlings root from almost every nursery, seedbed and tray. Our results show that current nursery cultural practice need to be improved and that seedlings quality standards should be updated.

Vladan Ivetić, Zoran Maksimović, Ivona Kerkez, Jovana R Devetaković

01.12.2015.

Research paper

In situ conservation of black poplar (Populus nigra L.) gene pool in the protected area "Great War Island"
The conducted research that involved the assessment of the census size of the black poplar population on The Great War Island, its viability and health status, levels of genetic diversity and recent changes in population served as the basis for defining the measures of in situ conservation of the available gene pool. A network of in situ conservation habitats, labeled A, B and C, were formed. The area of conservation habitat A is 27.90 ha and includes 455 individual trees of black poplar. Conservation habitat B spreads over an area of 7.84 ha and includes 192 individual trees of black poplar. Conservation site C spreads over an area of 21.25 ha and includes 260 individual trees of black poplar. Potential new areas suitable for natural regeneration have been identified in the vicinity of the conservation habitats. Their total area amounts to 16.50 ha and they are surrounded by reproductively mature black poplar trees and thus, seeds can easily be transferred to these areas. The suggested measures of in situ conservation are aimed at the maintenance and conservation of existing black poplar population in the area of Great War Island.

Zoran Maksimović, Mirjana Šijačić-Nikolić

01.12.2015.

Research paper

Initial height and diameter are equally related to survival and growth of hardwood seedlings in first year after field planting
This study compares the relation of initial height and root collar diameter of bareroot hardwoods seedlings to survival and growth in first year after planting. A total of six species used in Serbian reforestation programs were tested (four native: Fagus sylvatica, Ulmus laevis, Fraxinus excelsior, and Acer pseudoplatanus and two exotic: Robinia pseudoacacia, and Quercus rubra), at 6 sites with a wide range of environmental conditions. Initial seedling height and diameter were equally related to field performance and better in forecasting growth than survival. The relation between seedlings initial morphological attributes and survival was species specific, while for all tested species growth was positively correlated to seedling size at planting. Although large seedlings kept their advantage in size, smaller seedlings grew at a higher rate. Both initial H and D should be considered as equally important in operational programs for hardwoods seedling quality testing.

Vladan Ivetić, Jovana Devetaković, Zoran Maksimović