VEGETOS: An International Journal of Plant ResearchOnline ISSN: 2229-4473
Print ISSN: 0970-4078

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Anti fungal Activity of Ganoderma spp. Against Common Contaminants of Oyster Mushroom Bed

Anti fungal Activity of Ganoderma spp. Against Common Contaminants of Oyster Mushroom Bed

Antifungal activity of culture filtrate and fruit body extract of local strain of Ganoderma spp was studied against four common contaminants of oyster mushroom beds under in vitro conditions. It was observed that the culture filtrate of Ganoderma spp. inhibit 70 and 75% growth of Rhizoctonia solani and Trichoderma viride respectively over control flasks. There was no sclerotia formation in Rhizoctonia solani in culture filtrate of Ganoderma spp. amended flasks as against complete growth of R. solani with abundant sclerotia in control flasks. Similarly , no sporulation with thinner growth of Tricoderma viride was observed in culture filtrate of Ganoderma spp. amended flasks compared to complete growth and initiation of sporulation at the margin in control flasks. In case of Coprinus spp. and Sclerotium rolfsii, no growth was observed in culture filtrate of Ganoderma spp. but initiation of growth was observed in control flasks. In case of fruit body extract of Ganoderma spp., it was found that the growth of contaminants was suppressed by fruit body extract of 30 and 20 percent concentration whereas 10 percent concentration enhanced the growth and sclerotia formation of all contaminants..

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