Abstract
Isoenzyme analysis of 5 populations of Chamaenerion angustifolium (L.) Scop. from different habitats revealed that only two of the nine enzymes scored were polymorphic. The estimated number of polymorphic loci was 2 out of 16. The only significant difference found was with regard to the gene and genotype frequencies of glucose-6-phosphate dehydrogenase (G6PDH). This difference could be demonstrated for established populations, occurring on contrasting soils but not for their seed populations.
The genetic similarity between seed populations even in a sample obtained from only four established individuals was striking and its consequences for the life strategy and colonizing ability of the species are discussed. Genotypic differentiation due to age structure was not present. Genotype-dependent selection occurs in the seedling phase only.
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Verkleij, J.A.C., Koniuszek, J.W.J. Genetic variability in Chamaenerion angustifolium (L.) Scop. (Onagraceae) occurring on contrasting soils. Genetica 55, 151–159 (1981). https://doi.org/10.1007/BF00135112
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DOI: https://doi.org/10.1007/BF00135112