Plant Systematics and Evolution

, Volume 221, Issue 1–2, pp 15–24 | Cite as

Allozyme investigations on the genetic differentiation between closely related pines —Pinus sylvestris, P. mugo, P. uncinata, andP. uliginosa (Pinaceae)

  • A. Lewandowski
  • A. Boratyński
  • L. Mejnartowicz
Article

Abstract

In eight natural European populations of four closely related taxa of pines (Pinus sylvestris, P. mugo, P. uncinata, andP. uliginosa) starch-gel electrophoreses revealed altogether 58 alleles at 15 loci from nine enzyme systems. With Nei's genetic distance (D) the largest mean genetic distance (D = 0.171) was found betweenP. sylvestris andP. mugo, a distance corresponding to that between other closely related pine species. Mean genetic distances between the other taxa were less than half that value and characteristic for subspecies or varieties rather than for species. On the basis of our results we suggest that both,P. uliginosa andP. uncinata, could be the result of the ancient hybridization betweenP. sylvestris andP. mugo.

Key words

Pinaceae Pinus sylvestris P. mugo P. uncinata P. uliginosa Allozymes genetic distance hybridization 

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Copyright information

© Springer-Verlag 2000

Authors and Affiliations

  • A. Lewandowski
    • 1
  • A. Boratyński
    • 1
  • L. Mejnartowicz
    • 1
  1. 1.Institute of DendrologyPolish Academy of SciencesKórnikPoland

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