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Genetic diversity and phenotypic variation in marginal populations of the locally endangered species Hordeum secanlinum (Poaceae).

Författare:
  • Nils Cronberg
  • Björn Widén
  • Roland von Bothmer
Publiceringsår: 1997
Språk: Engelska
Sidor: 285-294
Publikation/Tidskrift/Serie: Plant Systematics and Evolution
Volym: 206
Nummer: 1-4 /March
Dokumenttyp: Artikel i tidskrift
Förlag: Springer

Abstract english

Electrophoresis was used to compare variation in hordein polypeptide patterns and isozymes in five marginal populations ofHordeum secalinum (four Swedish and one Danish population) and four populations along the Atlantic coast from Denmark to Spain. Hordein patterns were uniform within and among Swedish and Danish populations whereas the materials from France and Spain were divergent. The banding patterns for nine isozymes (AAT, IDH, MDH, PGD, GPI, ME, ACP, EST, and PRX) agreed with those reported for otherHordeum species. All putative loci were monomorphic with the exception of PRX, which showed three different phenotypes. The five marginal populations varied in seed set and cultivated plants differed in phenological traits.

Keywords

  • Ecology
  • Poaceae - Hordeum secalinum - Rare species - hordein - isozymes - breeding system - seed set - germination

Other

Published
  • ISSN: 1615-6110
Nils Cronberg
E-post: nils [dot] cronberg [at] biol [dot] lu [dot] se

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