The inheritance of genetic markers in microspore-derived plants of barley Hordeum vulgare L.

D. M. Thompson, K. Chalmers, R. Waugh, B. P. Forster, W. T.B. Thomas, P. D.S. Caligari, W. Powell

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54 Citations (Scopus)

Abstract

Biochemical, molecular and morphological markers have been used to monitor the segregation of alleles at major gene loci in microspore-derived lines of four spring barley crosses and their parents. Significant deviations from the expected Mendelian ratios were observed for four of the ten markers studied in the cross. Distorted ratios were associated with loci located on chromosomes 4H and 6H. The differential transmission of alleles was in favour of the responsive parent (Blenheim) used in the anther culture studies. For the α-Amy-1 locus on chromosome 6H, the preferential transmission of Blenheim alleles was most pronounced in the haploid regenerants that were colchicine treated. These results are discussed in relation to the genetic control of androgenetic response in barley and with respect to the exploitation of another culture in barley improvement.

Original languageEnglish
Pages (from-to)487-492
Number of pages6
JournalTheoretical and Applied Genetics
Volume81
Issue number4
DOIs
Publication statusPublished - 1 Apr 1991

Keywords

  • Barley
  • Doubled haploids
  • Isozymes
  • Microspore
  • RFLPs

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