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Fungal parasitism of the cysts and eggs of the Globodera rostochiensis

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Author(s): Trifonova Zlatka | Karađova Jordanka

Journal: Journal of Agricultural Sciences
ISSN 1450-8109

Volume: 48;
Issue: 1;
Start page: 103;
Date: 2003;
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Keywords: egg parasites | infected females | nematophagous fungi

ABSTRACT
A survey of Globodera rostochiensis infested field in Velingrad region (South-West Bulgaria) revealed the spread of a black egg disease in the old cysts. The fungus mycelium infected the embryos within the egg shell. The highest egg parasitization by fungi was observed during June (22.2%). The fungus destroyed the new progeny in September. Four species of nematophagous fungi were isolated from cysts and eggs: Botryotrichum piluliferum Sacc. And March, Scolecobasidium constrictum Abbott, Gliocladium roseum and Phoma fineti Brun.
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