Genetic analysis of factors for resistance to downy mildew (Bremia lactucae) in species of lettuce (Lactuca sativa and L. serriola)

作者: B. F. FARRARA , T. W. ILOTT , R. W. MICHELMORE

DOI: 10.1111/J.1365-3059.1987.TB02267.X

关键词:

摘要: Simultaneous genetic analysis of resistance in species lettuce (Lactuca sativa and L. serriola) a virulence Bremia lactucae were made to characterize the basis downy mildew 11 host cultivars accessions. Four new genes (Dm13, Dm14, Dm15 Dm16) characterized. Other phenotypes conditioned by combinations these or previously described Dm genes. New genes, 16 (from LSE/18), Dm14 Gelber Winterkonig) PIVT 1309), mapped linkage group I (Dm1, Dm2, Dm3 Dm6) while Dm13 from Pennlake segregated independently three characterized groups therefore belongs fourth group. Characterization requires simultaneous consideration pathogen genetics.

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