Clonal structure of small isolated populations of Pinus mugo Turra from peatbogs in the Tatra Mts

• Autorzy: Prus-Glowacki W , Baczkiewicz A. , Wysocka D.
• Języki publikacji: EN

Abstrakty

EN

This study examined genetic variability at 11 allozyme loci and the clonal structure of peatbog populations of dwarf mountain pine (Pinus mugo Turra) from three small isolated stands in the Tatra Mts, Poland. The percentage of clones in the peatbog populations was high, 48.45% on average. Genetic variability was lower in these populations than in populations from the continuous range of the species. The mean number of alleles per locus (A) was 2.2. Estimates of total (HT = 0.231) and within-population (HS = 0.224) genetic diversity were very similar. Differentiation between populations was low (DST = 0.7%; GST = 2.1 %). Gene flow (Nm = 8.11) was also relatively low because of their geographic isolation. Wright’s fixation index (F) for all examined enzymatic loci demonstrated that the populations were in Hardy-Weinberg equilibrium.

Słowa kluczowe

EN

isolated population; Tatras Mountains; clone; genetic variability; isoenzyme; plant genetics; peat bog; gene flow; population; Pinus mugo

• Wydawca: -
• Czasopismo: Acta Biologica Cracoviensia. Series Botanica
• Rocznik: 2005
• Tom: 47
• Numer: 2
• Opis fizyczny: p.53-59,fig.,ref.

Twórcy

autor

Prus-Glowacki W

• Adam Mickiewicz University, Miedzychodzka 5, 60-371 Poznan, Poland

autor

Baczkiewicz A.

autor

Wysocka D.

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