Phyllactinia mali and Podosphaera tridactyla var. tridactyla – new hosts of Ampelomyces quisqualis

Beata Czerniawska

Abstract


In 2002, the occurrence of fungi of the order Erysiphales on plants of the Słowiański Park located in Goorzów Wielkopolski was investigated. Plant samples were collected once a month, from August to November. The samples examined were above ground plant parts colonized by powdery mildew fungi. A total of 78 samples were collected. Apart from 14 species of the order Erysiphales, Ampelomyces quisqualis parasitizing on Erysiphe cichoracearum var. cichoracearum, Phyllactinia mali and Podosphaera tridactyl var. tridactyla was found. Ampelomyces quisqualis affected hyphae, oidia, and young cleistothecia of P. mali. In contrast, in E. cichoracearum var. cichoracearum, Po. tridactyle var. tridactyla, this hyperparasite colonized only hyphae and oidia. This paper for the first trime informs of A. quisqualis parasitizing on P. mali and Po. tridactyla var. tridactyla.

Keywords


hyperparasite; Ampelomyces quisqualis; Phyllactinia mali; Podosphaera tridactyla

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DOI: https://doi.org/10.5586/am.2005.019

Journal ISSN:
  • 2353-074X (online)
  • 0001-625X (print; ceased since 2015)
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Polish Botanical Society