Genetic characterization of English yew (Taxus baccata L.) populations in Bosnia and Herzegovina |
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Authors: | Ute Tr?ber Dalibor Ballian |
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Institution: | 1. Staatsbetrieb Sachsenforst, Bonnewitzer Str. 34, 01796, Pirna, Germany 2. Faculty of Forestry, University Sarajevo, Zagrebacka 20, 71000, Sarajevo, Bosnia and Herzegovina
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Abstract: | The genetic structures of six populations of English yew (Taxus baccata L.) from different parts of Bosnia and Herzegovina have been characterized by means of isozyme analyses. Using six polymorphic gene loci, a total of 16 alleles have been found with a number of nine alleles, which were in common in all populations. In general, the values of observed heterozygosity reflect a very high level of individual genetic variation. Great differences in the relative allele frequencies lead to relatively high gene pool distances between the populations. Whereas the genetic structures of four populations corresponded essentially with the results of publicized investigations of yew populations from other parts of Europe, two occurrences show great differences. The possible reasons of these peculiarities are discussed. Based on the results of the genetic analyses, different measures for the maintenance and development of the genetic resources are recommended. The conservation management on the population level can prevent the possible loss of genetic adaptation as far as the reasons of genetic differences and their importance are not discovered to a sufficient extent. |
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