Plant Protect. Sci., 2009, 45(1):12-15 | DOI: 10.17221/44/2008-PPS

Peronospora hariotii on Buddleja in the Czech Republic

Ivana Šafránková1, Jiří Müller2
1 Mendel University of Agriculture and Forestry in Brno, Faculty of Agronomy, Department of Crop Science, Breeding and Plant Medicine, Brno, Czech Republic
2 Brno, Czech Republic

A downy mildew was observed on Buddleja × weyeriana Weyer ex Rehd. (B. davidii × globosa) cv. Sungold in a nursery in the northern part of the Czech Republic in July 2008. This downy mildew disease of Buddleja (Butterfly Bush) had been unknown in the country so far. Characteristics of visual symptoms and microscopic features are described. The morphology of the fungus was typical for Peronospora hariotii, conforming to the published description by GÄUMANN (1919). The sexual stage was not found. This is the first report of Peronospora hariotii causing leaf spot disease on Buddleja in the Czech Republic.

Keywords: downy mildew; Peronospora hariotii; Butterfly Bush; Buddlej

Published: March 31, 2009  Show citation

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Šafránková I, Müller J. Peronospora hariotii on Buddleja in the Czech Republic. Plant Protect. Sci. 2009;45(1):12-15. doi: 10.17221/44/2008-PPS.
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