Survey of fungal species vectored by Ips cembrae to European larch trees in Raciborskie forests (Poland)
2007
Jankowiak, R.,Agricultural Univ., Cracow (Poland). Dept. of Forest Pathology | Rossa, R.,Agricultural Univ., Cracow (Poland). Dept. of Forest Entomology | Mista, K.,Agricultural Univ., Cracow (Poland). Dept. of Forest Pathology
The species composition and occurrence frequency of fungi associated with Ips cembrae on European larch was studied in the Raciborskie forests, Poland. The fungi were isolated from overwintered adults, larvae, new adults and from galleries at various stages of development. The results showed that there was a great diversity of fungi associated with this insect. We isolated 2,877 cultures, including 61 species. The most important group of fungi were ophiostomatoid species. From these, Ceratocystis laricicola, Ophiostoma brunneo-ciliatum and Graphium laricis were commonly detected, whereas eight other species occurred less frequently or sporadically. Ophiostoma ips is documented here as a new associate of I. cembrae. Ceratocystis laricicola was shown to be the primary invader occurring most frequently at early stages of brood development, particularly in the sapwood. Ophiostoma brunneo-ciliatum and G. laricis were secondary invaders following C. laricicola. In the later stages of brood development other ophiostomatoid fungi appeared.
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