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Presence of the newly designated powdery mildew resistance Landi in some winter barley cultivars

Author

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  • Antonín DREISEITL

    (Agrotest Fyto Ltd., Kroměříž, Czech Republic)

Abstract

In the last two decades, resistance to the powdery mildew pathogen has been investigated in a large number of barleys in the Czech Republic. Several tens of winter barley cultivars were identified with a resistance based on an unknown gene or unknown combinations of resistance genes. In this paper tests on 20 of these cultivars are presented. Thirty-two reference isolates of Blumeria graminis f.sp. hordei were used. All the 20 cultivars shared a particular, previously unknown resistance. Landi was the first cultivar registered with this resistance and it is recommended that this resistance be designated Ln. Isolates virulent to Ln were already found randomly in old European, and also in non-European pathogen populations, where cultivars possessing the resistance Ln were never grown. On the other hand, the resistance Ln has been highly effective even 13 years after Landi registration.

Suggested Citation

  • Antonín DREISEITL, 2011. "Presence of the newly designated powdery mildew resistance Landi in some winter barley cultivars," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 47(2), pages 64-68.
    • Handle: RePEc:caa:jnlcjg:v:47:y:2011:i:2:id:14-2011-cjgpb
    DOI: 10.17221/14/2011-CJGPB
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    References listed on IDEAS

    as
    1. Antonín Dreiseitl, 2006. "Powdery Mildew Resistance of Winter Barley Varieties in Czech Official Trials," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 42(2), pages 38-43.
    2. Antonín DREISEITL, 2008. "Virulence frequency to powdery mildew resistances in winter barley cultivars," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 44(4), pages 160-166.
    3. A Dreiseitl, 2005. "Resistance To Powdery Mildew In Selected Czech Winter Barley Breeding Lines," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 41(2), pages 45-50.
    Full references (including those not matched with items on IDEAS)

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