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Volume 14
Issue 11
10.3390/f14112186
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Article

Evaluation of Different Geographic Provenances of Silver Fir (Abies alba) as Seed Sources, Based on Seed Traits and Germination

by
Irina M. Morar
1,
Catalina Dan
2,
Radu E. Sestras
2,
Roxana L. Stoian-Dod
2,
Alina M. Truta
1,*,
Adriana F. Sestras
1,* and
Paul Sestras
3
1
Department of Forestry, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
2
Department of Horticulture and Landscape, University of Agricultural Sciences and Veterinary Medicine, 400372 Cluj-Napoca, Romania
3
Faculty of Civil Engineering, Technical University of Cluj-Napoca, 400020 Cluj-Napoca, Romania
*
Authors to whom correspondence should be addressed.
Forests 2023, 14(11), 2186; https://doi.org/10.3390/f14112186
Submission received: 2 October 2023 / Revised: 27 October 2023 / Accepted: 31 October 2023 / Published: 2 November 2023
(This article belongs to the Special Issue Data Acquisition, Methods and Techniques Applied in Sustainable Forest Management and Hazard Mapping)
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Abstract

The evaluation of the diversity of silver fir (Abies alba Mill.) populations and the reproductive traits of the trees are of great importance for the conservation of genetic resources and forest management. Therefore, important reproductive characteristics of A. alba from seven Romanian provenances, considered as different geographical populations, were evaluated. Significant differences between the provenances were observed for the female cones, seed morphology, and germination. Due to the relatively low germination of silver fir seeds, germination tests were conducted to identify treatments that can stimulate the germination capacity. Thus, the seed germination capacity was determined using four different stimulation treatments and the data were compared with those of untreated seeds, designed as the control. Considerable differences were recorded not only depending on the seed provenances, but also regarding the treatments applied to stimulate germination (Atonik biostimulator, scarification, acetone, H2SO4). The biostimulator seed treatment gave the highest germination percentage, while sulfuric acid caused the lowest germination. The research also revealed that not all the forest seed sources provide high-quality reproductive material. Furthermore, for some of the seed resources, even the germination stimulation treatments did not result in adequate germination. The findings are pertinent and valuable for identifying suitable forest populations as seed sources, as well as for their use in silver fir reforestation programs.
Keywords: conifers; diversity; genetic resource; germination capacity; local populations conifers; diversity; genetic resource; germination capacity; local populations

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MDPI and ACS Style

Morar, I.M.; Dan, C.; Sestras, R.E.; Stoian-Dod, R.L.; Truta, A.M.; Sestras, A.F.; Sestras, P. Evaluation of Different Geographic Provenances of Silver Fir (Abies alba) as Seed Sources, Based on Seed Traits and Germination. Forests 2023, 14, 2186. https://doi.org/10.3390/f14112186

AMA Style

Morar IM, Dan C, Sestras RE, Stoian-Dod RL, Truta AM, Sestras AF, Sestras P. Evaluation of Different Geographic Provenances of Silver Fir (Abies alba) as Seed Sources, Based on Seed Traits and Germination. Forests. 2023; 14(11):2186. https://doi.org/10.3390/f14112186

Chicago/Turabian Style

Morar, Irina M., Catalina Dan, Radu E. Sestras, Roxana L. Stoian-Dod, Alina M. Truta, Adriana F. Sestras, and Paul Sestras. 2023. "Evaluation of Different Geographic Provenances of Silver Fir (Abies alba) as Seed Sources, Based on Seed Traits and Germination" Forests 14, no. 11: 2186. https://doi.org/10.3390/f14112186

APA Style

Morar, I. M., Dan, C., Sestras, R. E., Stoian-Dod, R. L., Truta, A. M., Sestras, A. F., & Sestras, P. (2023). Evaluation of Different Geographic Provenances of Silver Fir (Abies alba) as Seed Sources, Based on Seed Traits and Germination. Forests, 14(11), 2186. https://doi.org/10.3390/f14112186

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