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Biocontrol of greenhouse carnation Fusarium wilt with saprophytic forest soil fungi

Małgorzata Mańka*, Dorota Frużyńska-Jóźwiak**

**Department of Forest Pathology
**Poznań Agricultural University
**Wojska Polskiego 71c, 60-625 Poznań, Poland
**Department of Plant Pathology
**Poznań Agricultural University
**Dąbrowskiego 159, 60-594 Poznań, Poland

Forest soil fungi Trichoderma viride, T. harzianum, Penicillium adametzii, P. funiculosum and P. nigricans, antagonistic to Fusarium oxysporum f. sp. dianthi, proved effective in biocontrol of the pathogen. The soil fungi were introduced to the Sphagnum peat substratum in the form of wheat grain inoculum overgrown with mycelium. The inoculum was placed near the plant roots, so that the fungi could reach them earlier than the pathogen. The biological control was much more effective than chemical control of the pathogen.

Mańka M., Frużyńska-Jóźwiak D., 1996. Biocontrol of greenhouse carnation Fusarium wilt with saprophytic forest soil fungi. Folia Horticulturae 8/1: 93-104.