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  • 1990-1994  (2)
  • Genes EST-1, EST-3, EST-4  (1)
  • Mildew resistance  (1)
Materialart
Erscheinungszeitraum
  • 1990-1994  (2)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 83 (1992), S. 467-475 
    ISSN: 1432-2242
    Schlagwort(e): Malus pumila Mill ; Malus species ; Esterase ; Genes EST-1, EST-3, EST-4
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Three main zones of esterase activity (EST-I, EST-III, EST-IV) identified in leaf extracts of cultivated apple and Malus species were determined by the genes EST-1, EST-3 and EST-4, respectively. In addition to earlier reported alleles of EST-1 (a, b) three further bands c, d and f were identified in the EST-I zone of which c was found to be determined by an allele, c. Two alleles, a, b, and a null allele were found for both the genes EST-3 and EST-4. Differences in allelic frequency were observed between cultivars, rootstocks and Malus species. Allele EST-1a was rare amongst the rootstocks. The examination of Malus species and derivatives showed a geographical relationship. Allele EST-1c was confined to species of Asian origin, and EST-1d was confined to American species.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Theoretical and applied genetics 83 (1992), S. 345-352 
    ISSN: 1432-2242
    Schlagwort(e): Malus pumila Mill ; Leucine aminopeptidase ; Genes LAP-1, LAP-2, LAP-3, LAP-4 ; Mildew resistance ; Linkage ; Breeding
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Summary Six zones of LAP activity were detected in apples, some of them tissue specific. Genetic studies in four of them revealed the presence of four genes LAP-1, LAP-2, LAP-3 and LAP-4 with 4, 5, 4 and 4 alleles respectively including two null alleles. There were no big differences in allelic frequency within cultivars, selections, rootstocks and Malus species. Close linkage was found between LAP-2 and resistance to mildew derived from ‘White Angel’.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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