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  • 1
    Digitale Medien
    Digitale Medien
    Evaluation of emmer wheat and other Triticeae for resistance to Russian wheat aphid (1992)
    Springer
    Genetic resources and crop evolution 39 (1992), S. 159-163 
    Details
    ISSN: 1573-5109
    Schlagwort(e): Diuraphis noxia ; evaluation ; host-plant resistance ; triticeae ; Triticum dicoccon
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary During the winters of 1990/91 and 1991/92, 181 accessions of Triticum dicoccon Schrank from the CIMMYT gene-bank were screened in the field for resistance to Russian wheat aphid, Diuraphis noxia (Kurdjumov). Accessions were sown in hill plots of 10 seeds and artificially infested with D. noxia at the two-leaf growth stage. Hills were visually assessed for damage at tillering, booting and heading. Entries differed significantly in their reaction to D. noxia, and severity of symptoms increased with time. Twenty four of the entries were highly resistant to the aphid. In winter 1991/92, 807 accessions of wild and cultivated wheats (26 species) and synthetic hexaploids were screened similarly for resistance to D. noxia. A large number of A-genome species were resistant, while few D-genome species were identified as resistant. These newly discovered sources of resistance can be used to expand the genetic base of resistance to D. noxia in both bread (T. aestivum L.) and durum wheats (T. turgidum L. convar. durum (Desf.) Mackey).
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00051929
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Inheritance of resistance to Russian wheat aphid in barley (1992)
    Springer
    Euphytica 62 (1992), S. 213-217 
    Details
    ISSN: 1573-5060
    Schlagwort(e): Russian wheat aphid ; Diuraphis noxia ; barley ; resistance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Summary The inheritance of resistance to Russian wheat aphid Diuraphis noxia (Mordvilko), in two resistant barleys, Hordeum vulgare L., ASE/2CM//B76BB and ‘Gloria/Come’, was studied in the field and in the greenhouse. The resistant genotypes were crossed with susceptible genotypes ‘Esperanza’ and ‘Shyri’. Resistance reactions of F1, BC1, and F2 plants, and individual F2 plant derived F3 families indicated that resistance in each genotype was controlled by the same single dominant gene.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00041755
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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