Aims: Cultivation of oyster mushrooms has increased vastly in a global scale during last few decades. Contaminants and indigenous microflora present in the substrate may led to the low productivity of mushrooms. Keeping this in mind, the present study was under-taken with slight modification in substrate preparation technique to eliminate dust particles from the substrate and to assure contamination free mushroom production. Study Design: Comparative evaluation between modified approach and control beds. Place and Duration: The study was carried out in Shri Laxman Prasad Pyare Lal Agro Products, Ayodhya during 2017. Methodology: The wheat straw substrate was immersed in the drum containing tap water, mixing properly and allowed to stand for 10-15 min to settle down the dust particle in the bottom of the drum. After that, the floating substrate was transferred to the slant surface so that the extra water was decanted off. This substrate was put in to the steam sterilised gunny bag and steeped in the chemical solution consisting of Formaldehyde (500 ppm) and Bovistin (75 ppm) for 18 h. For the
Short Communication
Two wastes from animal origin, viz., human hairs and egg shells were evaluated for different manifestations of white oyster mushroom, Pleurotus florida. The mushroom utilized both the substrates for their growth and sporophore formation. The mycelial growth was significantly (P=0.05) faster on egg shell (18 days) as compared to human hair (23 days). The crop of mushroom was harvested in four flushes where human hairs showed higher yield and biological efficiency of mushroom (165 gm, 33%) than egg shells (155 gm, 31%), respectively. In respect of yield parameters such as yield, biological efficiency, number of mushroom fruit bodies and average weight of sporophores, both the substrates were statistically at par to each other. Utilization of human hairs and egg shells by P. florida reveals a new strategy for mycoremediation of these wastes.
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