Stimulation of Germination and Germination Energy of Scots Pine Seeds with Biochemical Preparations

Authors

DOI:

https://doi.org/10.37482/0536-1036-2025-6-189-200

Keywords:

Pinus sylvestris L., pine seeds, growth stimulant, sowing qualities

Abstract

Currently, the task of obtaining high-quality planting stock used in reforestation remains urgent. Stimulating preparations are used to activate germination and seed germination energy. The aim of the work has been to study the effectiveness of using various stimulating preparations on the sowing qualities of Scots pine (Pinus sylvestris L.) seeds. The objects of the study have been Pinus sylvestris L. seeds soaked in solutions of preparations with a purported stimulating effect. The following preparations have been applied: technical lingosulfonates, birch bark extracts, filtrate obtained by separating suberin from birch bark, Flavobacterin, Mizorin, condensate formed during the drying of sawn timber, and ash from the Eyjafjallajökull Volcano. In the experiments, several time options for soaking seeds have been adopted: 6, 12 and 24 hours. The highest germination and germination energy have been observed in seeds left for 24 hours. The indicators of the seed grain soaked for 6 and 12 hours have also increased compared to the control sample of dry seeds. The best germination has been observed in seeds treated with solutions of nitrosated and chlorinated lingosulfonates at a concentration of 10 % for 24 hours (95 %), the highest germination energy (86 %) has been observed in seeds left for 24 hours in an extract of birch bast fraction less than 1 mm (concentration 1:10,000) and filtrate from the separation of suberin from birch bark (concentration 1:10,000). In the control option, the seed germination has been equal to 80 %.

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Author Biographies

Anna A. Drochkova, Northern (Arctic) Federal University named after M.V. Lomonosov

Postgraduate Student; ResearcherID: H-1869-2019

Natal’ya R. Sungurova, Northern (Arctic) Federal University named after M.V. Lomonosov

Doctor of Agriculture, Assoc. Prof.; ResearcherID: H-1847-2019

Denis N. Klevtsov, Northern (Arctic) Federal University named after M.V. Lomonosov

Doctor of Biology; ResearcherID: A-7791-2019

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Published

2025-12-19

How to Cite

Drochkova А., Sungurova Н., and Klevtsov Д. “Stimulation of Germination and Germination Energy of Scots Pine Seeds With Biochemical Preparations”. Lesnoy Zhurnal (Forestry Journal), no. 6, Dec. 2025, pp. 189-00, doi:10.37482/0536-1036-2025-6-189-200.

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BRIEF SUMMARIES AND EXPERIENCE EXCHANGE

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