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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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01.12.2020.

Research paper

The effect of temperature on the Fusarium sambucinum growth from the one-year-old Fraxinus excelsior seedlings in Montenegro

Species complex Fusarium sambucinum was frequently isolated from ash stands in Montenegro. Previous researches revealed that it is dangerous pathogen for one-year-old seedlings. The aim of this research was to investigate the influence of temeperature on growth and morphological characteristics of morphotype isolated from one-year-old common ash (Fraxinus excelsior L.) seedlings in Montenegro. Growth of Fusarium sambucinum pure cultures on different temperatures was the fastest on 25°C while the absence of growth occurred on 32.5°C. Cultures on optimum temperature were white reddish, aerial and with a lot hyaline, curved multi septate conidia. This research covers basic ecological and morphological characteristics of Fusarium sambucinum strain responsible for high pathogenicity towards one-year-old common ash seedlings in Montenegro.

Aleksandar Vemić, Zlatan Radulović

01.12.2020.

Research paper

Ecological and histological investigation of species complex Diaporthe eres on Fraxinus excelsior seed from Montenegro

Investigation of different seed diseases of common ash has great significance due to occurrence of ash dieback across Europe caused by Hymenoscyphus fraxineus Baral, Queloz and Hosoya (T.Kowalski) and still not completely defined strategies about regeneration of this species. Species complex Diaporthe eres are familiar pathogens of common ash. During the monitoring of health condition of common ash in Montenegro Diaporthe eres was frequently isolated from common ash seeds. The aim of this research was to investigate temperature conditions that contribute to the growth of Diaporthe eres strains from Montenegro in infected seeds and histological characteristics of Diaporthe eres spread in seeds. Growth of Diaporthe eres pure cultures on tested temperatures showed the fastest growth on 25°C and the absence of growth on 35°C. Mechanical damage did not significantly contribute to occurrence of infection. Microscopic examination of heavy infected seeds showed that hyphae of D.eres were visible on outer parts of seed spreading inside the core. In this research we investigated some basic bio ecological characteristics of D. eres associated with decline of F. excelsior seed in Montenegro.

Aleksandar Vemić

01.12.2020.

Research paper

The first report of Ochrospora ariae and Septoria sorbi on whitebeam (Sorbus aria) seedlings in Montenegro

Symptoms of disease were recorded on leaves of whitebeam (Sorbus aria (L.) Crantz) seedlings in one stand in Montenegro. Analysis showed fungi Ochrospora ariae (Fuckel) Ramsb. and Septoria sorbi Lasch were present on infected trees. Species Seporia sorbi was associated with necrotic reddish and brown spots while species Ochrospora ariae was associated with necrotic reddish spots and yellow pustule of uredinia on leaves. Species were recorded both separately and simultaneously on leaves. This is the first record of Ochrospora ariae and Seporia sorbi on whitebeam (Sorbus aria) in Montenegro. Results will contribute to better knowledge of diseases and better protection of whitebeam (Sorbus aria) in early stages of growth in this part of its areal.

Aleksandar Vemić