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  • Articles: DFG German National Licenses  (3)
  • semi-dwarfness  (3)
  • 1
    Electronic Resource
    Electronic Resource
    In vitro culture variation of wheat and rye caused by genes affecting plant growth habit in vivo (1991)
    Springer
    Euphytica 61 (1991), S. 233-240 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; wheat ; Secale cereale ; rye ; day-length insensitivity ; semi-dwarfness ; tissue culture response
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary The influence of genes affecting the ‘plant growth habit’ in wheat (Rht8 and Ppd1) and rye (ct1 and ct2) on tissue culture response was studied using immature embryos. Whereas the semi-dwarfing gene Rht8 seems to promote only a minor effect, the day-length sensitive allele ppd1 determined a major increase in callus growth and regeneration ability. With regards to their tissue culture efficiency, the four alleles studied could be ranked as follows: ppd1〉Rht8〉rht8〉Ppd1. In contrast to wheat, the GA insensitive semi-dwarfing genes of rye (ct1 and ct2) appear not to influence in vitro response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00039663
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The gibberellic acid insensitive dwarfing gene from the wheat variety Saitama 27 (1988)
    Springer
    Euphytica 38 (1988), S. 55-63 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; bread wheat ; gibberellic acid insensitivity ; semi-dwarfness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Genetic analysis of a new weak source of GA-insensitivity derived from Saitama 27 showed that it was controlled by a single gene located on chromosome 4A and allelic to Rht1 and Rht3. the gene was shown to be present in many Italian and Yugoslavian varieties suggesting a selective advantage in some breeding programmes. Varietal comparisons indicated that the gene reduces height by around 11 per cent. This was combined with an increase in spikelet fertility and in the total number of grain developing in the ear. In this initial experiment a reduction in grain size eliminated the advantages of increased grain number. Following development of isogenic lines in a number of varietal backgrounds the true potential of the gene will be determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00024811
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Gibberellic acid insensitive dwarfing genes in Southern European wheats (1986)
    Springer
    Euphytica 35 (1986), S. 857-866 
    Details
    ISSN: 1573-5060
    Keywords: Triticum aestivum ; bread wheat ; gibberellic acid insensitivity ; semi-dwarfness
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Commercial wheat varieties from nine European countries were surveyed for the presence of Norin 10 GA insensitive dwarfing genes. The spread of such genes was shown to be limited to areas where they would not be subjected to high temperatures at a critical growth stage. A new weaker source of GA insensitivity, the variety Saitama 27 was detected and shown to occur in varieties from six of the nine countries surveyed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00028593
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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