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Genetic diversity in European wheat and spelt breeding material based on RFLP data.

H Siedler1, M M Messmer, G M Schachermayr

  • 1Department of Plant Breeding, Swiss Federal Research Station for Agronomy, Zürich-Reckenholz, Reckenholzstrasse 191, CH-8046, Zürich, Switzerland.

TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik
|November 5, 2013
PubMed
Summary
This summary is machine-generated.

Restriction fragment length polymorphisms (RFLPs) reveal genetic diversity in European wheat and spelt breeding lines. RFLP markers effectively group lines by origin and aid in understanding genetic relationships for crop improvement.

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Area of Science:

  • Plant genetics
  • Molecular biology
  • Agricultural science

Background:

  • European wheat and spelt germplasm diversity is crucial for breeding.
  • Understanding genetic relationships aids in developing improved crop varieties.
  • Restriction fragment length polymorphisms (RFLPs) are valuable molecular markers.

Purpose of the Study:

  • Assess RFLP variation in European wheat and spelt breeding lines.
  • Characterize genetic diversity within European winter wheat.
  • Evaluate RFLP utility for pedigree analysis and germplasm grouping.

Main Methods:

  • Assayed 81 lines (winter wheat, spring wheat, spelt) using 58 DNA probes.
  • Detected RFLPs across wheat and barley cDNA clones.
  • Employed principal coordinate analysis and cluster analysis for genetic relationships.

Main Results:

  • 73 of 166 RFLP loci were polymorphic, with highest variation in the B genome (58%).
  • Distinct RFLP band frequencies differentiated winter wheat, spring wheat, and spelt.
  • Genetic distance analysis showed clear separation between wheat and spelt, with spring wheat at the periphery.

Conclusions:

  • RFLP markers are effective for distinguishing wheat and spelt germplasm.
  • Cluster analysis of RFLPs accurately reflects the origin and ancestry of breeding lines.
  • RFLP analysis provides insights into genetic diversity and relationships for European wheat and spelt.