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Can Bread-Making Quality be Introduced into Hexaploid Triticale by Whole-Chromosome Manipulation?

  • Ebrahim M. Kazman
  • Tamàs Lelley
Part of the Developments in Plant Breeding book series (DIPB, volume 5)

Abstract

Synthetic 6x triticale lines with various D-genome chromosomes, derived from octoploid x tetraploid triticale crosses were grown in the field and analyzed for characters related to bread-making quality and yield. Considerable variability was found for each character. Grain protein content of the majority of lines was markedly higher than that of the wheat and triticale cultivars included in the experiments as controls. Grain yield of some of the lines was as high as that of the controls. Sedimentation volumes ranged from 33 to 103% of the control wheat cultivar exhibiting medium bread-making quality. No correlation was found between sedimentation volume and protein content, and between sedimentation volume and grain yield. The presence of chromosome 1D, in combination with 1B, invariably increased the sedimentation volume. Ranking for positive effect of homoeologous group 1 chromosomes on sedimentation was 1D>1B>1R>lA. These preliminary data suggest that through the introduction of chromosome 1D, especially as a 1D(1A) substitution, the bread-making quality of hexaploid triticale can be improved considerably, approaching the level of wheat. Effects of different alleles at Glu-D1 locus are discussed.

Keywords

Wheat Cultivar Homoeologous Group Sedimentation Volume Near Infrared Reflectance Spectroscopy Hexaploid Triticale 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1996

Authors and Affiliations

  • Ebrahim M. Kazman
    • 1
  • Tamàs Lelley
    • 2
  1. 1.Institute of Agronomy and Plant BreedingGeorg-August-UniversityGöttingenGermany
  2. 2.Institute of Agronomy and Plant BreedingUniversity of AgricultureViennaAustria

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