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Ukr. Bot. J. 2014, 71(6): 733–739
https://doi.org/10.15407/ukrbotj71.06.733
Plant Physiology, Biochemistry, Cell and Molecular Biology

Genetic variation of age groups in Pinus sylvestris var. cretacea (Pinaceae) population in the «Kreidova flora» protected area

Korshikov I.I.1, Milchevskaya Ya.G.1, Kalafat L.O.1, Lymanskyi S.V.2, Pasternak G.O.1
Abstract

Using 19 isozyme loci, we investigated genetic variation of three different age groups (under 30, 60, and 100 years) within Pinus sylvestris var. cretacea Kalenicz. population in the «Kreidova Flora» protected area. Young (up to 30 years) plants were found to have the lowest mean number of alleles and levels of the observed and expected heterozygosities compared to those of medium age and old trees. In general, the level of genetic variation of P. sylvestris var. cretacea population in the «Kreidova Flora» is somewhat lower (HO=0.187 and HE=0.200) than that of the population in the «Svyati Hory» Nature Reserve which is also located in the north of Donetsk Region.

Keywords: Pinus sylvestris var. cretacea, isozyme polymorphism, different age groups of plants, population, «Kreidova Flora» Reserve

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