Role of the chromosome 4B in suppressing frost resistance in winter wheat (Triticum aestivum L.)

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Abstract

Frost resistance of different monosomic lines were investigated under controlled environment conditions. In the case of Cheyenne, Mironovskaya 808 and Rannyaya 12 a reduction in the degree of frost resistance was observed when chromosomes 5A, 3B, 3A, 5B or 7A were missing. In two of the monosomic series there was also a drop in the level of frost resistance in monosomic lines 5D and 7B. The frost resistance of monosomic line 4B, on the other hand, was significantly better than that of the disome in two of the three cultivars. In previous experiments using substitution lines, the presence of a 4B chromosome originating from a variety with better frost resistance also led to an increase in frost resistance. The results suggest that a gene suppressor for frost resistance may be located on chromosome 4B.

Original languageEnglish
Pages (from-to)47-52
Number of pages6
JournalCereal Research Communications
Volume26
Issue number1
Publication statusPublished - Jan 1 1998

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Keywords

  • Frost resistance
  • Gene suppressor
  • Hardening
  • Monosomic series
  • Triticum aestivum

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Genetics

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