Effect of culture filtrates of Trichoderma sp. isolated from wild mushrooms on the infectious behavior of plant pathogenic fungi

Trichoderma sp.（strain H９２１）was isolated from the fruiting bodies of wild mushrooms and evaluated for fungicidal activity against plant pathogenic fungi. When spores of the plant pathogenic fungi Alternaria alternata Japanese pear and tomato pathotypes）, Botrytis cinerea, Colletotrichum orbiculare, Corynespora cassiicola, and Fusarium oxysporum f. sp. spinaciae were incubated in culture filtrates of strain H９２１ and incubated onto glass slides, spore germination of these fungi was significantly inhibited.