Reaction of winter wheat cultivars and breeding lines to Blumeria graminis f.sp. tritici

Lubomír Věchet
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Lubomír Věchet: Department of Applied Genetics, Division of Genetics and Plant Breeding, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic

Plant Protection Science, 2006, vol. 42, issue 1, 15-20

Abstract: During 4 years, 27 cultivars and breeding lines of winter wheat (Triticum aestivum) were tested in small plot experiments for resistance to powdery mildew fungus. The most resistant were Frimegu, RE9607, Runal, Asset, Folke and Wasmo. The cultivars Asta (Pm2,6) and Vlasta (Pm2,6 and another not determined specific gene or minor genes of resistance) fall into resistant cultivars. It seems that the specific genes of resistance Pm2 and Pm6 are still very effective against the present Czech population of powdery mildew on wheat. Resistance of the cultivars Hereward and Tarso, having the gene of resistance Pm8, can be ascribed to an additional undetermined gene that is effective only in mature plants. The cultivars Mikon and Ramiro with partial resistance had a higher infection type and disease severity than resistant cultivars, but lower disease severity than the susceptible cultivar Kanzler.

Keywords: Triticum aestivum; powdery mildew; disease severity; resistance (search for similar items in EconPapers)
Date: 2006
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:42:y:2006:i:1:id:2691-pps

DOI: 10.17221/2691-PPS

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