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Genetic structure of the populations of pallas pine (Pinus pallasiana D. Don) renewed in extreme conditions

Korshikov I.I., Krasnoshtan O.V.

 


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The paper reports on an intensive reforestation of Pallas pine (Pinus pallasiana D. Don) in post-fire sites in the native Mountainous Crimean populations and around the previously planted seed-producing trees in ore-mining dumps of the Krivoy Rog region. Self-sown progeny growing in the dump is characterized by a better growth and comes to the reproductive development phase earlier compared to that one growing in post-fire forest. Allele variability at 20 allozyme loci is less in self-sown progeny than in the native populations whereas its heterozygosity level is similar. Genetic distance (DN) among self-sown progenies in post-fire sites and ore-mining dump is comparable to that of the natural populations.

Key words: Pinus pallasiana, post-fire site, ore-mining dumps, regeneration, genetic structure

Tsitologiya i Genetika 2010, vol. 44, no. 3, pp. 27-34

E-mail: donetsk-sad mail.ru, botgard ukrpost.ua

Korshikov I.I., Krasnoshtan O.V. Genetic structure of the populations of pallas pine (Pinus pallasiana D. Don) renewed in extreme conditions, Tsitol Genet., 2010, vol. 44, no. 3, pp. 27-34.




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