Title: Infection of Pythium and Phytophthora species by Olpidiopsis gracilis (Oomycetes)
Abstract: Zoospores from a culture of the biotrophic mycoparasite Olpidiopsis gracilis were inoculated on to vegetative hyphae of a range of Pythium and Phytophthora species. Twenty species of Pythium and two of Phytophthora were infected. The process of infection is described, and the optimum temperature for infection of Pythium sylvaticum was determined. Measurements of the expansion of infected portions of the hyphae of the Pythium host showed that despite the apparent hypertrophy, the rate of volume increase of the infected portions was not significantly different from that of uninfected hyphal apices.
Publication Year: 1990
Publication Date: 1990-12-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 13
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