{"title":"Growth Performance and Yield of the Edible White Rot Fungus (Pleurotus ostreatus) on Different Agro Waste Materials","authors":"Terna T. Paul, Iloechuba P. Ngozika","volume":128,"journal":"International Journal of Agricultural and Biosystems Engineering","pagesStart":648,"pagesEnd":652,"ISSN":"1307-6892","URL":"https:\/\/publications.waset.org\/pdf\/10008377","abstract":"
A study was carried out to evaluate the growth and yield performance of Pleurotus ostreatus <\/em>spawn on different organic substrates in Lafia, Nasarawa State, Nigeria. 50 g each of four different substrates namely; corncobs, rice straw, sugarcane bagasse and sawdust sourced locally from farmlands and processing sites, were amended with 2% calcium carbonate and calcium sulphide and sterilized using three sterilization methods namely; hot water, steam, and lime. Five grams of P. ostreatus <\/em>spawn were inoculated unto treated substrates, incubated in the dark for 16 days and in light for 19 days at 25 0<\/sup>C for the commencement of pinhead and fruit body formations respectively. Growth and yield parameters such as days to full colonization, days to pinhead formation and days to fruit body formation were recorded. Cap diameter and fresh weight of mature mushrooms were also measured for a total count of four flushes. P. ostreatus <\/em>spawn grown on sugarcane bagasse recorded the highest mean cap diameter (4.69 cm), highest mean fresh weight (34.68 g), highest biological efficiency (69.37%) and highest production rate (2.83 g per day). Spawn grown on rice straw recorded the least number of days to full substrate colonization (11.00). Spawn grown on corn cobs recorded the least mean number of days to pin head (18.75) and fruiting body formations (20.25). There were no significant differences (P ≤ 0.05) among the evaluated substrates with respect to growth and yield performance of P. ostreatus.<\/em> Substrates sterilized with hot water supported the highest mean cap diameter (5.64 cm), highest biological efficiency (87.04%) and highest production rate (3.43 g per day) of P. ostreatus<\/em>. Significant differences (P ≤ 0.05) were observed in cap diameter, fresh weight, biological efficiency and production rates among the evaluated sterilization methods. Hot water sterilization of sugarcane bagasse could be adopted for enhanced yield of oyster mushrooms, especially among indigent farming communities in Nigeria and beyond.<\/p>\r\n","references":"[1]\tS.T. Chang, and J.A. Buswell, \u201cGanoderma lucidum (Curt. Fr.) P. Karst. (Aphyllophoro mycetidease): A mushrooming medicinal mushroom\u201d, International Journal of Medicinal Mushrooms, vol. 1, 1999, pp. 139\u2013146.\t\r\n[2]\tS.K. Ogunlana, \u201cStudies on the cultivation of the edible mushroom Plerotus tuber regium (Fr) singer\u201d, Tropical Journal of Applied Sciences, vol. 2, 1992, pp. 56-60.\r\n[3]\tP.A. Stamets, \u201cNovel approach to farm waste management\u201d, Mushroom Journal Winter, vol. 30, 2001, pp. 28-32.\r\n[4]\t S.S. Patil, R.M. Kadam, S.L. Shinde, and S.A. Deshmukh, \u201cEffect of different substrates on productivity and proximate composition of Pleurotus florida\u201d, International Journal of Plant Sciences, vol. 3, no. 1, 2008, pp. 151-153.\r\n[5]\tO. 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