Allozyme variation of seed embryos and mating system in relict populations of scots pine (Pinus sylvestris L.) from the Kremenets Hill Ridge and Maloe Poles’e

Allozyme variation of seed embryos and mating system in relict populations of scots pine (Pinus... Allozyme variation at ten polymorphic loci and mating system was studied in three small isolated relict populations (4.4 to 22 ha) and in three artificial stands of Pinus sylvestris from the Kremenets Hill Ridge and Maloe Poles’e. It was established that the mean heterozygosity of 130 to 140 year-old trees from natural populations (H O = 0.288; H E = 0.277) was substantially lower, compared to 30 to 40 year-old trees from artificial stands (H O = 0.358; H E = 0.330). The observed heterozygosity of seed embryos (H O = 0.169 and 0.180) was substantially lower than of the mature trees from populations and artificial stands, respectively. In the embryo samples, irrespectively of the forest stand origin, substantial hetedrozygote deficiency was observed (at six to eight loci), compared to the Hardy-Weinberg expectations. The proportion of cross pollination in the populations and artificial stands was low, t m = 0.588 to 0.721; and t m = 0.455 to 0.837, respectively. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Allozyme variation of seed embryos and mating system in relict populations of scots pine (Pinus sylvestris L.) from the Kremenets Hill Ridge and Maloe Poles’e

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2011 by Pleiades Publishing, Ltd.
Subject
Biomedicine; Human Genetics; Microbial Genetics and Genomics; Animal Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795411070106
Publisher site
See Article on Publisher Site

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