African Journal of
Plant Science

  • Abbreviation: Afr. J. Plant Sci.
  • Language: English
  • ISSN: 1996-0824
  • DOI: 10.5897/AJPS
  • Start Year: 2007
  • Published Articles: 807

Full Length Research Paper

Effect of substrate media on growth, yield and nutritional composition of domestically grown oyster mushroom (Pleurotus ostreatus)

Onyeka, E. U.
  • Onyeka, E. U.
  • Department of Food Science and Technology, Federal University of Technology, Owerri, Imo State, Nigeria.
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Udeogu, E.
  • Udeogu, E.
  • Department of Food Science and Technology, Abia State University Uturu, Nigeria.
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Umelo, C.
  • Umelo, C.
  • Department of Food Science and Technology, Federal University of Technology, Owerri, Imo State, Nigeria.
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Okehie, M. A.
  • Okehie, M. A.
  • Department of Food Science and Technology, Federal University of Technology, Owerri, Imo State, Nigeria.
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  •  Received: 21 July 2016
  •  Accepted: 04 February 2017
  •  Published: 31 July 2018

Abstract

The effect of substrate (medium) on growth, yield and nutritional composition of domestically-grown oyster mushroom (Pleurotus ostreatus) was investigated. Six different substrates namely sawdust only (SDO), sawdust + corn waste + CaCO3 (SDW), sawdust + rice bran + CaCO3 (SDR), sawdust + banana leaves (SBL), sawdust + cassava peel (SDC) and cassava peel only (CPO) were used.  The substrates were pasteurized with hot water (90°C for 4 h) before spawns of oyster mushroom were inoculated to them. After inoculation, the substrates were kept in a controlled environment until fruiting took place. The SDC substrate gave the highest number (22) of fruiting body, highest yield (463 g/kg) and best biological efficiency (46.30%). This was followed closely by the harvest from SDR substrate. The differences in the nutrient composition of mushroom from the different substrates were significant at 0.05 % confidence level.  Harvest from SDR contained higher vitamins and minerals compared to others. Harvest from CPO substrate had the lowest (20.10%) protein content as well as other nutrients. SDC and SDR substrates are considered good for domestic cultivation of oyster mushroom.

 

Key words:  Mushroom, substrate, efficiency, home-grown, nutrients.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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