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  • 1 University of Saskatchewan Department of Plant Sciences 51 Campus Drive Saskatoon SK S7N 5A8 Canada
  • | 2 University of Saskatchewan Crop Development Centre 51 Campus Drive Saskatoon SK S7N 5A8 Canada
  • | 3 Directorate of Wheat Research Karnal India 132001
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Pre-harvest sprouting (PHS) in bread wheat (Triticum aestivum L.) is one of the major abiotic constraints influencing production of high quality grain. Selection for pre-harvest sprouting (PHS) resistance in bread wheat (Triticum aestivum L.) in early generations is difficult because it is expressed as a quantitatively inherited trait and subject to environmental effects. The objectives of this study were to validate a major quantitative trait locus (QTL) for PHS resistance on chromosome 4A in bread wheat and to isolate near-isogenic lines for this QTL using marker-assisted selection. A total of 60 Canadian wheat cultivars and experimental lines were screened with three SSR markers in a QTL region for PHS resistance. The SSR markers DuPw004, barc170 and wmc650 explained 67%, 75% and 60% of total variation in germination (%), respectively, among different wheat genotypes. Marker assisted back crossing with DuPw004 reduced the population size in BC1F1 and BC2F1 generation by 41% and 59%, respectively. A survey of pedigrees of different genotypes revealed that the parental line RL4137 is a major source of increased PHS resistance in a number of western Canadian wheat cultivars. Microsatellite markers (DuPw004, barc170 and wmc650) will be useful for plant breeders to pyramid QTL from different PHS resistance sources.

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Senior editors

Editor(s)-in-Chief: Pauk, János

Technical Editor(s): Hajdu Buza, Kornélia

Technical Editor(s): Lantos, Csaba

Editorial Board

  • A. Aniol (Poland)
  • P. S. Baenziger (USA)
  • R.K. Behl (India)
  • F. Békés (Australia)
  • L. Bona (Hungary)
  • A. Börner (Germany)
  • R. N. Chibbar (Canada)
  • S. Gottwald (Germany)
  • A. Goyal (Canada)
  • H. Grausgruber (Austria)
  • T. Harangozó (Hungary)
  • E. Kapusi (Austria)
  • E.K. Khlestkina (Russia)
  • J. Kolmer (USA)
  • V. Korzun (Germany)
  • R. A. McIntosh (Australia)
  • Á. Mesterházy (Hungary)
  • A. Mohan (USA)
  • I. Molnár (Hungary)
  • M. Molnár-Láng (Hungary)
  • A. Pécsváradi (Hungary)
  • S. K. Rasmussen (Denmark)
  • N. Rostoks (Latvia)
  • M. Taylor (Germany)
  • J. Zhang (China)
  • X.F. Zhang (USA)


Senior Editorial Board

  • P. Bartos (Czech Republic)
  • H. Bürstmayr (Austria)
  • J. Johnson (USA)
  • Z. Kertész (Hungary)
  • G. Kimber (USA)
  • J. Matuz (Hungary)

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Cereal Research Communications
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ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)