Acta Univ. Agric. Silvic. Mendelianae Brun. 2007, 55(1), 205-210 | DOI: 10.11118/actaun200755010205

VÝSKYT PLÍSNĚ PERONOSPORA RADII DE BARY NA ARGYRANTHEMUM FRUTESCENS (L.) SCHULTZ-BIP. V ČESKÉ REPUBLICE

Ivana Šafránková1, Jiří Müller2
1 Ústav pěstování, šlechtění rostlin a rostlinolékařství, Mendelova zemědělská a lesnická univerzita v Brně, Zemědělská 1, 613 00 Brno, Česká republika
2 Provazníkova 76, 613 00 Brno, Česká republika

Plíseň Peronospora radii de Bary byla v r. 2006 zjištěna v České republice na okrasném druhu Argyranthemum frutescens cv. 'Butterfly'. Uveden je přehled dosavadních nálezů na planých a kulturních druzích čeledi Asteraceae, popis symptomů a patogenu. Diskutován je význam P. radii pro okrasné druhy.

Peronosporaceae, Peronospora radii, Argyranthemum frutescens, Česká republika

The occurence of Peronospora radii de Bary on Argyranthemum frutescens (L.) Schultz-Bip. in the Czech Republic

Marguerite daisy (Argyranthemum frutescens) is an ornamental plant, that is used as a potted and landscape plant. In 2006, disease symptoms were observed on marguerite daisy (A. frutescens cv. 'Butterfly') in greenhouses in Brno-Tuřany. The pathogen primarily affected newly expanded young leaves and shoot tips. They were chlorotic, twisted and stunted. The affected leaf tips were necrotic. Bud flowers and flowers were deformed and get dry. The extensive purplish brown growth of downy mildew colonized the lower surface of infected leaves. Older leaves were unaffected.

Keywords: Peronosporaceae, Peronospora radii, Argyranthemum frutescens, Czech Republic
Grants and funding:

Práce byla vypracována jako součást řešení grantu FRVŠ 2183/2006/F1/d.

Received: November 2, 2006; Published: November 30, 2014  Show citation

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Šafránková, I., & Müller, J. (2007). The occurence of Peronospora radii de Bary on Argyranthemum frutescens (L.) Schultz-Bip. in the Czech Republic. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 55(1), 205-210. doi: 10.11118/actaun200755010205
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