Fungal and Bacterial Contaminants Associated with the Spoilage of Mushroom Spawn

Contamination has happened a major problem guide spawn of mushroom. In this study, the contaminating microorganisms in the produce were isolated, labeled and described. Results indicated that plurality of microorganisms causing spawn adulteration were mainly fungal pathogens; a very low portion of bacterial contamination was noticed. The fungal species causing adulteration were Fusarium chlamydosporum, Phoma exigua, Aspergillus niger, Penicillium chrysogenum, Aspergillus fumigatus and Fusarium pallidoroseum. Only one bacterial contaminant i.e. Bacillus sp. was stated under study. Aspergillus fumigatus was the major fungal contaminator and Bacillus sp. was the only bacterial contaminant private from spawn incubation range environment, whereas from produce inoculation room contaminators isolated wereFusarium pallidoroseum and Staphylococcus sp.

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