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- Title
Effectiveness of Twenty-Four Barley Resistance Genes Against Powdery Mildew (<em>Erysiphe graminis</em> DC f. sp. <em>hordei</em> Em. Marchal) in Spain.
- Authors
Molina-Cano, J. L.; Montoya, J. L.; Echarte, J.; Royo, C.; Serra, J.; Marin-Sanchez, J. P.
- Abstract
Twenty-four near-isogenic barley lines, with a cv. 'Pallas' background, carrying different mildew resistance genes were subjected in 1987, 1989 and 1990 to natural infection by the pathogen at several different and contrasting Spanish sites in order to study its virulence. The virulence genes proved to be geographically grouped into three regions: western (Valladolid), southern (Sevilla) and northern and north-eastern (Navarra, Lleida and Girona). The mildew population of Lleida was more variable when compared with Navarra and Valladolid. Overall, the most effective resistance genes were: Ml-a13 + Ml-(Ru3), mlo and Ml-(1402).
- Subjects
BARLEY; ERYSIPHE graminis; ERYSIPHE; GENETIC engineering; MICROBIAL virulence; PATHOGENIC microorganisms; HORDEUM
- Publication
Plant Breeding, 1992, Vol 109, Issue 1, p40
- ISSN
0179-9541
- Publication type
Article
- DOI
10.1111/j.1439-0523.1992.tb00148.x