Hyperparasites of the genus Ampelomyces on powdery mildew fungi in Serbia.
From 1982 to 1996, in Serbia, 229 species of plants infected with powdery mildew were collected. Seventy-five species had hyperparasites of the genus Ampelomyces. Distribution analysis showed that hyperparasitism was greatest on plants from the families Asteraceae, Apiaceae and Fabaceae. Ampelomyces was not found on the family Poaceae. It was reported for the first time on the families Amygdalaceae, Cornaceae, Grossulariaceae, Plantaginaceae, Rhamnaceae and other 37 plant species. Hyperparasites of the genus Ampelomyces were found on 33 different species of fungi that are causal agents of powdery mildews. They are reported for the first time on nine species. Pycnidial size varied in the range 45-106 x 25.5-40.5 microm and conidia from 4.5-10.5 x 2.5-4.8 microm.
Ranković
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Faculty of Science, Institute of Biology, 34000 Kragujevac, Yugoslavia.