Abstract

In spite of the increasing availability of DNA markers with a higher genetic resolution, electrophoretically detectable allozymes still provide the cutting edge in the estimation of genetic variability. Peroxidase was analysed in individual sleeping buds collected in three native species: Quercus pubescens, Q. petraea and Q. robur. The species were characterised with gene and genotype frequencies and showed specific degrees of intra- and inter-population diversity. Genetic variability of marginal population of pubescent oak from Bielinek, the only stand of the species in Poland markedly separated from its compact range, was described by peroxidase polymorphism. Genetic distances among species, statistically examined, showed visible differences between them and a relatively low genetic similarity of Q. robur to the two species in question.

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