In vitro ANTAGONISTIC ACTIONS OF HUMIC SUBSTANCE ON THE GROWTH OF Sclerotium rolfsii AND THE BIOCONTROL Trichoderma spp.
Abstract:The effect of humic substance, isolated from a composting substrate, was evaluated on the mycelial growth of two strains of Sclerotium rolfsii and the antagonistic Trichoderma sp. two strains of S. rolfsii treated with humic substances, one strain isolated from tomato stems and the other isolated from the roots of sugar beet. In general, any HS treatment significantly reduced the radial growth of the S. rolfsii mycelium in normal potato dextrose agar (PDA) medium enriched with humic acid compared to potato dex… Show more
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