Evidence for a race-specific resistance
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I. R. Crute; A. Lebeda
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Article
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1981
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Springer
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English
โ 472 KB
Previously undetected race-specific resistance to Bremia lactucae (downy mildew) was located in many lettuce cultivars hitherto considered to be universally susceptible to this disease. This resistance factor(s) may also be widely distributed in other cultivars known to carry combinations of already