The reaction of x Tritordeum and its Triticum spp. and Hordeum chilense parents to rust diseases |
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Authors: | D. Rubiales J. Ballesteros A. Martín |
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Affiliation: | (1) C.S.I.C. Instituto de Agronomía y Protección Vegetal, Apdo. 3048, 14080 Córdoba, Spain |
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Abstract: | Summary Hexaploid and octoploid tritordeums and their parents Hordeum chilense and Triticum spp. were screened for resistance to isolates of wheat and barley yellow and brown rusts. All H. chilense lines were highly resistant to both wheat and barley brown rust, few lines were susceptible to wheat yellow rust while susceptibility to barley yellow rust was common. In general the resistance of tritordeum is predominantly contributed by the wheat parent and apparently the genes for resistance in H. chilense are inhibited in their expression by the presence of the wheat genome.Abbreviations WYR wheat yellow rust - WBR wheat brown rust - BYR barley yellow rust - BBR barley brown rust |
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Keywords: | Puccinia recondita f. sp. tritici, Puccinia striiformis f. sp. tritici, Puccinia striiformis f. sp. hordei. Puccinia hordei yellow rust brown rust leaf rust stripe rust tritordeum |
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