Antagonistic activity of some Agaricales mushrooms against plant pathogenic fungi and Trichoderma species in Mazandaran forests

Agaricales are among the most abundant types of mushrooms in most areas. presence of biologically active metabolites، with antibiotic and antifungal properties has been recorded for most of them. In this study mycelium of 10 mushrooms species of Agaricales include: Agrocybe cylindracea، Armillaria mellea، Hypholoma fascicular، Hypholoma sublateritium، Flammulina velutipes، Mycena inclinata، Omphalotus olearius، Panellus stipticus، Pleurotus ostreatus and Schizophyllum commune collected from Mazandaran forest was prepared by tissue culture of basidiocarps and their antagonistic activity was examined against 5 plant pathogenic fungi (Fusarium oxysporum f. sp. Perniciosum، Ophiostoma ulmi، Pestalotiopsis funerea، F. Culmurum and Bipolaris sorokiniana) and 4 Trichoderma species (Trichoderma viride، T. asperellum، T. harzianum، T. atroviride) in dual culture experiments on MEA. The results revealed that all 10 mushrooms species used in the test had antagonistic effect on one or some plant pathogenic fungi species. The most antagonistic index observed on Omphalotus olearius، Mycena inclinata and Panellus stipticus. Seven out of 10 mushrooms species had antagonistic effects on at least one Trichoderma species. The most antagonistic index was observed on Omphalotus olearius، Flammulina velutipes and Schizophyllum commune.