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  • bread-making quality  (3)
  • Springer  (3)
  • Public Library of Science
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  • Springer  (3)
  • Public Library of Science
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  • 1
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; bread wheat ; bread-making quality ; endosperm storage protein ; genetics ; wheat breeding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary One hundred and twenty-eight wheat varieties bred in the Soviet Union were screened for the composition of high-molecular-weight (HMW) subunits of glutenin. In general, variability was low compared to that seen in varieties from other countries. However, varieties from different regions showed distinctive patterns, in some cases clearly due to the use of particular parents in certain breeding programmes, but in others possibly due to the adaptive value of particular alleles to the environmental conditions under which the varieties were bred. For example, among spring varieties, the Glu-D1 allele encoding subunits 2+12 was more common in varieties from areas with limited rainfall than was the allele encoding subunits 5+10. The pattern of HMW glutenin subunits amongst varieties with superior bread-making quality showed few differences from that amongst bread-making varieties of lower quality.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-5060
    Keywords: Triucum aestivum ; wheat ; storage protein ; bread-making quality ; N-banding PA ; subtilisin inhibitor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Four methods for detecting 1BL. 1RS translocations in bread wheat have been compared winter wheat cultivars: N-banding of mitotic metaphase chromosomes, sodium lactate electrophoresis at pH 3.1, sodium dodecyl sulphate-polyacrylamide gel electrophorests under conditions, and a recently characterised protein, subtilisin inhibitor, separated by isoelectric N-banding was much the most labour intensive method, and, of the three electrophoretic recommend the use of subtilisin inhibitor, which is at least as easy to interpret as the other is often faster for screening purposes. The sources of the 1BL. 1RS translocation in this matenal Avrora. Kavkaz and Skorospelka 35, which have been extensively used as parents in breeding programmes. Out of 59 cultivars that include a line carrying the 1BL. 1RS pedigree. 23 of them did not carry the translocation; thus the effect on plant phenotype of insufficient to guarantee its selection during breeding.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; glutenin sub-units ; bread-making quality
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The composition of the high-molecular-weight (HMW) subunits of glutenin encoded by Glu-1 in hexaploid wheat (Triticum aestivum L.) was determined for 99 varieties bred in China. Seventy-nine varieties were homogeneous for HMW glutenin subunit composition. The majority of the remainder were heterogeneous at one Glu-1 locus, with two varieties heterogeneous at two loci. One variety carried a pattern of subunits not encountered in previous studies. The majority of varieties, as in previous studies, carried subunits 7+8 or 7+9 encoded by Glu-B1. In contrast, there was a relatively high occurrence of subunits 2+12 at Glu-D1. It was shown that a high proportion, 69%, of the potential variation in bread-making quality, as assessed by SDS-sedimentation volume, was accounted for by variation in the composition of the HMW subunits.
    Type of Medium: Electronic Resource
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