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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied genetics 73 (1987), S. 846-855 
    ISSN: 1432-2242
    Keywords: Puccinia graminis tritici ; Triticum aestivum ; Monosomic analysis ; Rust resistance ; Gene identification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary ‘Chris’ wheat possessed genes Sr5, Sr7a, Sr8a, Sr9g and Sr12. ‘W3746’, derived from the cross ‘Chris’/‘Baart’, possessed Sr7a and Sr12. The response conferred by Sr7a was influenced by the genetic background. Although Sr7a or Sr12 alone conferred no observable resistance upon adult plants, the adult resistances of ‘Chris’ and ‘W3746’ to predominant pathotypes appeared to be associated with the interaction of Sr7a and Sr12, or genes at closely linked loci.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    ISSN: 1573-5036
    Keywords: Calcareous soil ; Modified-urea materials ; Oryza sativa L. ; Rainfed lowland ; Zinc deficiency
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Studies revealed that Zn-deficiency symptoms were induced markedly by the levels of nitrogen and its source in rainfed lowland rice grown on calcareous soil. Visual Zn-deficiency symptoms recorded 3 weeks after transplanting showed that increased supply of nitrogen at puddling resulted in significant increase in the extent of deficiency symptoms of this nutrient element. Zn-deficiency symptoms got aggravated with Mussorrie Rock Phos-coated urea (MRPCU) followed by sulphur-coated urea (SCU). Zn-deficiency symptoms induced by urea supergranules (USG) and prilled urea (PU) supplying two-thirds of nitrogen as basal were found to be of moderate level. No symptoms of Zn-deficiency were noted with no-nitrogen control.
    Type of Medium: Electronic Resource
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