Adaptation of wheat rusts to the wheat cultivars in former Czechoslovakia

In former Czechoslovakia virulence of rusts attacking wheat was studied since the sixties. Since the same time genes for resistance in the registered cultivars were identified. The role of Berberis and Thalictrum as alternate hosts for stem rust and leaf rust, respectively, was investigated as well....

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Bibliographic Details
Published in:Euphytica 1996, Vol.92 (1-2), p.95-103
Main Authors: Bartos, P. (Research Inst. of Crop Production, Praha-Ruzyne (CZECH REPUBLIC)), Stuchlikova, E, Hanusova, R
Format: Article
Language:English
Subjects:
ADAPTACION
ADAPTATION
Berberis vulgaris
CZECH REPUBLIC
ENFERMEDADES FUNGOSAS
FUNGAL DISEASES
GENE
GENES
MALADIE FONGIQUE
REPUBLICA CHECA
REPUBLIQUE TCHEQUE
Secale cereale
THALICTRUM
TRITICUM AESTIVUM
VARIEDADES
VARIETE
VARIETIES
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Summary:In former Czechoslovakia virulence of rusts attacking wheat was studied since the sixties. Since the same time genes for resistance in the registered cultivars were identified. The role of Berberis and Thalictrum as alternate hosts for stem rust and leaf rust, respectively, was investigated as well. Determined changes of virulence in rust populations could only partially be ascribed to changes of resistance genes in the grown cultivars. Unnecessary genes for virulence had no negative effect on the fitness of the pathogen. All tested samples of aeciospores from barberries attacked rye, not wheat. None of Thalictrum species occurring in the Czech and Slovak Republics was found to host wheat leaf rust. However, the sexual stage of wheat stem rust and wheat leaf rust could be induced on Berberis vulgaris and Thalictrum speciosissimum, respectively. General epidemiological conclusions are drawn from the results and experience of the last 35 years.
ISSN:0014-2336
1573-5060
DOI:10.1007/BF00022834