The article presents data on the study of the peculiarities of the biochemical composition of coniferous wood under conditions of their mass drying. The research was conducted in the European part of the Russian Federation on the territory of the Udmurt Republic, within two forest areas. The subjects of the research are spruce plantations of the acidic type. According to the results of the study, samples from individuals of different life conditions were selected for physiological assessment. Physiological studies were carried out by extracting samples with solvents of different polarities. The wood was analyzed for the total content of extractives – water-soluble and resin-like compounds, as well as tannins. The content of extractives and their composition vary greatly from one sample area to another. The quantity and component composition of extractive compounds are influenced by the vital state of plants and the growth place condition. Significant values of extractive compounds are observed in stands of coniferous-deciduous forests. In these areas, the processes of death of spruce forests are proceeding at the most intensive pace. In trees of satisfactory condition, the content of all components of extractive substances is higher in comparison with individuals of other life categories, especially tannins. A high content of polyphenolic compounds is observed in all studied individuals from plantations with an unfavorable sanitary condition. The obtained data on the peculiarities of the content of extractive substances in spruce wood can be used to select trees to create sustainable forest crops.
sustainability, death of spruce plantations, vital condition, extractive substances, coniferous plants.
1. Vedernikov K. E. Izmenenie himicheskogo sostava drevesiny Pecea obovate Ledeb.pod vozdeystviem Ips typographus L. // Himiya rastitel'nogo syr'ya. – 2021a. – №4. – S. 251-258.
2. Vedernikov K. E. Elovye nasazhdeniya Udmurtskoy Respubliki i meropriyatiya po povysheniyu ih ustoychivosti // Lesa Rossii: politika, promyshlennost', nauka, obrazovanie
3. Geografiya Udmurtii: prirodnye usloviya i resursy: Ucheb. posobie / [Ped. I. I. Rysina]. Izhevsk: Izdatel'skiy dom «Udmurtskiy universitet», 2009. – Ch. 1. – 256 s.
4. Isaev A. S., Girs G. I. Vzaimodeystvie dereva i nasekomyh ksilofagov. – Novosibirsk: Nauka, 1975. – 347 s.
5. Lesnoy plan Udmurtskoy Respubliki. Utverzhden Ukazom Glavy Udmurtskoy Respubliki ot 18.02.2019 №17 (www.consultant.ru, 28.12.2023 g.).
6. Obolenskaya A. V., El'nickaya 3. P., Leonovich A. A. Laboratornye raboty po himii drevesiny i cellyulozy. – Moskva: Ekologiya, 1991. – 320 s.
7. Privalova E. G., Mirovich M. V. Osnovy fitotoksikologii. Obzor rastitel'nyh ob'ektov. Elementy fitohimicheskogo analiza. – Irkutsk: IGMU, 2018. – 102 s.
8. Selihovkin A. V., Ahmatovich N. A., Varencova E. Yu., Popovichev B. G Razmnozhenie koroeda-tipografa i drugih dendropatogennyh organizmov v lesah Karel'skogo peresheyka // Lesovedenie. – 2018.
9. Funatogawa K., Hayashi S., Shimomura, H. et al Antibacterial activity of hydrolyzable tannins derived from medicinal plants against Helicobacter pylori // Journal of microbiology, immunology, and infection – 2004, 48.
10. Fiori G. M. L., Fachin A. L., Correa, V. S. C. et al. Antimicrobial Activity and Rates of Tannins in Stryphnodendron adstringens Mart. Accessions Collected in the Brazilian Cerrado
11. Kunert N. Preliminary indications for diverging heat and drought sensitivities in Norway spruce and Scots pine in Central Europe // iForest-Biogeosciences and Forestry. 2020. – Vol. 13, issue 2. – R. 89–91.
12. Pizzi A., Belgacem M. N., Gandini A. Tannins: Major Sources, Properties and Applications. In Monomers, Polymers and Composites from Renewable Resources Elsevier // University of Oxford the United Kingdom
13. Rudinsky J. A., Novak V., Švihra P. Atraktivita lykozrouta smrkoveho (Ips typographus L.) k terpenum a feromonum // Lesnictvi. – 1970. – Vol. 16. – P. 51–62.
14. Schofield J. A., Hagerman A. E., Harold A. Loss of tannins and other phenolics from willow leaf litter // Journal of Chemical Ecology – 1998. – Vol. 24. – P. 1409–1421.
15. Smith A. L., Campbell C. L., Walker D. B. et al. Extracts from black locust as wood preservatives: Extraction of decay resistance from black locust heartwood // Holzforschung. – 1989. – 43. – P. 293–296.
16. Viiri H., Lieutier F. Ophiostomatoid fungi associated with the spruce bark beetle, Ips typographus, in three areas in France // Annals of Forest Science. – 2004. – 61. – P. 215–219. DOIhttps://doi.org/10.1051/forest:2004013.
