Archives → 2023 → Vol. 63, № 4 → pp. 421–431
Article
State of the Scots Pine Seed Progeny from the Polessky State Radiation-Ecological Reserve, Belarus
S. А. Geras’kin1, D. V. Vasiliev1, М. А. Lichenkova1, and М. V. Kudin2
1Russian Institute of Radiology and Agroecology, Obninsk, Russia 2Polesye State Radiation-Ecological Reserve, Khoyniki, Belarus
Abstract
We studied the state of seed progeny in Scots pine populations from the Polessky State Radiation-Ecological Reserve (PGRZ), Belarus. The seed progeny of the studied populations is characterized by an increased frequency of cytogenetic disorders and abortive seeds, as well as reduced germination. At the same time, Scots pine seeds from populations that have developed for a long time under chronic irradiation are characterized by increased resistance to additional γ-irradiation. Thus, the current levels of radiation exposure at the territory of the PGRZ can inhibit the reproductive capacity of Scots pine and serve as a selection factor for increased resistance to radiation.
Keywords
30-kilometer zone of the Chernobyl nuclear power plant, chronic irradiation, scots pine, seed progeny, cytogenetic disorders, abortive seeds, germination, radioadaptation
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