The cultivation of white rot edible fungus Pleurotus florida was performed in polybags. The corn cob was employed as basal substrate while eight different additives such as urea, ammonium sulphate, gram flour, soybean meal, ground nut cake and molasses were used with corn cob. Three different levels of variable combinations with corn cob were evaluated in response to different parameters of mushroom viz., mycelial growth, spawn running, primordial initiation, fruit body yield and its biological efficiency. Each additive at different combinations showed variable impact on the different stages of mushroom life cycle. The primordial initiation was observed for the first time during 20.2–35.1 days. The biological efficiencies in every supplemented set were increased over un-supplemented control set. Increasing the level of additives, the biological efficiency was negatively affected at higher levels. The cotton seed cake was found the best supplement producing 93.75% biological efficiency while soybean meal was the second best additive producing 93.00% yield. The highest growth rate, rapid mycelia run, early primordial initiation, highest yield and biological efficiency were recorded in the combination of corn cob and cotton seed cake at 2% (98 + 2) level.
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The authors are grateful to the Department of Biotechnology (DBT), New Delhi, India for the financial assistance.
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Naraian, R., Sahu, R.K., Kumar, S. et al. Influence of different nitrogen rich supplements during cultivation of Pleurotus florida on corn cob substrate. Environmentalist 29, 1 (2009). https://doi.org/10.1007/s10669-008-9174-4
- Biological efficiency
- Corn cob
- Fruit body yield
- Oyster mushroom
- Pleurotus spp.
- Substrate amendment