Allelic frequencies at the polymorphic enzyme loci IDH-1, IDH-2, LAP-1, and 6-PGDH-1 were determined in population samples of Abies alba from 5 different areas in Austria. The results reveal clear genetic differentiation between the eastern and the western provenances. Gradual frequency clines are observed with all four loci. The amount of variation, measured as a verage heterozygosity and genotypic diversity, is significantly higher in the west. The multilocus genotypes proved to be useful markers for the identification of clones. Functional differences with respect to substate specifity were found for the two allozymes coded by the coexisting alleles of the IDH-2 locus.
165.3 (Allgemeines über Vererbung, Genetik und Züchtung, Variation [Praktische Anwendung siehe 232.13 und 232.311.3]) 174.7 (Coniferae [Siehe Anhang D])
