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Biologia

, Volume 70, Issue 10, pp 1318–1325 | Cite as

Genetic status of the putative hybrid swarms of mountain dwarf pine and Scots pine in contact zones of their distribution in Slovakia

  • Peter Maňka
  • Andrej KormuťákEmail author
  • Martin Galgóci
  • Dušan Gömöry
Section Botany
  • 4 Downloads

Abstract

Genetic structure of the mountain dwarf pine (Pinus mugo) and Scots pine (P. sylvestris) natural populations along with their 4 putative hybrid swarms in Slovakia were analyzed using 12 enzyme loci. The study aimed in evaluation of postulated hybrid status of the swarms on molecular level. Based on semidiagnostic allele frequencies of the MDH B, MDH C, 6PGDH B, ADH 1 and F-EST loci in their megagametophytes and vegetative buds, the conspicuous genetic differences were detected between P. mugo and P. sylvestris populations. The putative hybrid swarms seem to incline by their genetic structure to P. mugo rather than to P. sylvestris. Obtained results indicate independent developmental history of each of the scored hybrid swarms. The putative hybrid swarm in Suchá Hora was found to be a mixed stand consisting prevailingly of pure-species individuals of P. mugo and P. sylvestris. On the contrary, the putative hybrid swarms in Habovka, Tisovnica and Terchová are supposed to be of hybrid origin.

Key words

Pinus mugo P. sylvestris introgressive hybrids isoenzymes 

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Copyright information

© Slovak Academy of Sciences 2015

Authors and Affiliations

  • Peter Maňka
    • 1
  • Andrej Kormuťák
    • 2
    • 3
    Email author
  • Martin Galgóci
    • 3
  • Dušan Gömöry
    • 4
  1. 1.Ministry of EnvironmentDepartment of State Administration of Nature ProtectionBratislavaSlovakia
  2. 2.Institute of Plant Genetics and Biotechnology SAS, Akademická 2NitraSlovakia
  3. 3.Constantine Philosopher University, Faculty of Natural SciencesDepartment of Botany and GeneticsNitraSlovakia
  4. 4.Technical University in Zvolen, Faculty of ForestryZvolenSlovakia

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