Detection of tolerance of barley cultivars to infection by powdery mildew (Erysiphe graminis f.sp. hordei)
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Barley genotypes representing a wide range of resistance expressions and origins, from major resistance genes in modern cultivars to field resistances in landraces, were assessed for tolerance to disease under glasshouse and field conditions. A few genotypes were picked out as showing less yield loss than would be expected from the level of mildew infection. Genotypes showing more than the expected yield loss were also found. The potential use of tolerance as a breeding character is discussed.
Key wordsTolerance barley powdery mildew yield Hordeum vulgare Erysiphe graminis hordei
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