Powdery Mildews on Trees and Shrubs in Botanical Gardens, Parks and Urban Green Areas in the Czech Republic

Authors :: Michaela Sedlářová
Veronika Petřeková
Aleš Lebeda
B. Mieslerová
Roger T.A. Cook
Markéta Michutová
Source :: Forests, Vol 11, Iss 967, p 967 (2020), Forests, Volume 11, Issue 9
Publication Year :: 2020
Publisher :: MDPI AG, 2020.
Abstract: A total of 103 tree and shrub samples infected with powdery mildew were collected during 2002&ndash<br />2019 from locations within parks, botanical gardens and urban green areas within the Czech Republic and the powdery mildews were morphologically analyzed and identified. The most frequently represented genera were: Erysiphe (27, including former genera Microsphaera and Uncinula), Podosphaera (11, including former genus Sphaerotheca), Phyllactinia (3), Sawadaea (2) and Arthrocladiella (1). New records for the Czech Republic were: E. (U.) arcuata, E. (M.) deutziae, E. (M.) euonymicola, E. (U.) flexuosa, E. (M.) platani, E. (M.) symphoricarpi, E. (M.) vanbruntiana var. sambuci-racemosae, E. (U.) ulmi, Po. amelanchieris, Po. (Sph.) pruinosa and Po. (Sph.) spiraeae. The results were compared with the spectrum of powdery mildew species in the surrounding countries (Slovakia<br />Hungary<br />Poland and Germany (Bavaria)).

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