Abstract
The intensive reforestation of Pallas pine (Pinus pallasiana D. Don) in postfire sites in the native mountainous Crimean populations and at ore-mining dumps of the Krivoi Rog region around previously planted seed-producing trees has been demonstrated. Self-sown progeny that grows in the dump is characterized by better growth and arrives at the reproductive development phase earlier than that growing in a postfire forest. Allele variability at 20 allozyme loci is less in self-sown progeny than in native populations, whereas its level of heterozygosity is similar. The genetic distance (DN) between self-sown progenies in postfire sites and ore-mining dumps is comparable to that of natural populations.
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