Influence of Sayanogorsk Aluminum Plant emissions on morphological characteristics and phytopathology of Scots pine (Pinus sylvestris L., 1753)
https://doi.org/10.31242/2618-9712-2024-29-1-121-128
Abstract
This article presents data on the variability of morphological features and cytogenetic indicators in Scots Pine (Pinus sylvestris) growing in areas affected by the industrial activity of the Sayanogorsk Aluminum Plant (SAP). We demonstrated that in polluted plots located at a distance of 1 and 5 km from the plant, the reproductive organ indicators of pine significantly decreased, germination energy and viability decreased, and needle necrosis frequency increased compared with the control. A significant increase in the frequency of class III needle necrosis in experimental plots by 7.2–8.6 times compared with the control, as well as a decrease in germination energy and seed germination in experimental plots by 1.1 and 1.3–1.5 times indicates the strong negative impact of SAP emissions on pine. Mitotic index and frequency of chromosomal aberrations in the apical meristem cells of Scots Pine seedlings were determined by cytogenetic analysis. A considerable reduction in mitotic activity by 1.35 to 0.8 times was observed in the meristem cells of Scots Pine growing in experimental plots, compared with the control plot. A tendency toward an increase in the frequency of abnormal mitoses of Scots Pine in the experimental areas was observed. Thus, the data obtained made it possible to assess the condition of Scots Pine in areas exposed to the influence of SAP.
About the Authors
I. V. Pak
University of Tyumen
Russian Federation
Russian Federation
Pak Irina Vladimirovna, Dr. Sci. (Biol.), Professor, Head of the Department of Ecology and Genetics
ResearcherID: N-2972-2016, Scopus Author ID: 9266991500
Tyumen
M. V. Semenova
University of Tyumen
Russian Federation
Russian Federation
Semenova Marina Viktorovna, Cand. Sci. (Biol.), Associate Professor of the Department of Botany, Biotechnology and Landscape Architecture
ResearcherID: KFB-1384-2024
Tyumen
V. L. Ryabikova
University of Tyumen
Russian Federation
Russian Federation
Ryabikova Valentina Lvovna, Senior Lecturer of the Department of Botany, Biotechnology and Landscape Architecture
ResearcherID: KFA-9404-2024
Tyumen
V. V. Sagalakova
University of Tyumen
Russian Federation
Russian Federation
Sagalakova Victoria Victorovna, Student
Tyumen
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Review
For citations:
Pak I.V., Semenova M.V., Ryabikova V.L., Sagalakova V.V. Influence of Sayanogorsk Aluminum Plant emissions on morphological characteristics and phytopathology of Scots pine (Pinus sylvestris L., 1753). Arctic and Subarctic Natural Resources. 2024;29(1):121-128. (In Russ.) https://doi.org/10.31242/2618-9712-2024-29-1-121-128
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