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Abstract
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Article Information:
Growth and Yield Response of Oyster Mushroom (Pleurotus ostreatus) Grown on Different Locally Available Substrates
Bonginkhosi E. Dlamini, Diana M. Earnshaw and Michael T. Masarirambi
Corresponding Author: Bonginkhosi E. Dlamini
Submitted: June 19, 2012
Accepted: July 23, 2012
Published: September 20, 2012 |
Abstract:
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Oyster mushroom (Pleurotus ostreatus) production is low despite its high demand in Swaziland. Most
communal farmers dispose of their agricultural waste while it can be used usefully as substrates for the production
of mushrooms. The objective of this study was to compare the effect of different agricultural wastes used as
mushroom substrates on growth, development and yield of mushroom. The substrates investigated were banana
leaves, sugarcane tops, maize stover and maize stover and cobs (1:1 dry mass/dry mass). The study was conducted at
the University of Swaziland, Faculty of Agriculture-Luyengo Campus, at the Crop Production’s mushroom
laboratory. Sterilization of substrates was done at the Malkerns Research station. Pleurotus ostreatus was evaluated
for growth and yield using four replicate bags of sugarcane tops, maize stover, maize stover and cobs and banana
leaves as substrates. The moist substrates were sterilised, packed in heat-resistant plastic bags, seeded with 2-4%
spawn and incubated for 3-3.5 months. Yield of each mushroom flush, marketable yield, pileus diameter and stipe
length were measured and recorded. For the first flash the significantly (p<0.05) highest yield was obtained from
maize stover and cobs followed in decreasing order by banana leaves, sugarcane tops and lastly maize stover gave
the least yield. The trend was similar for the second and third flash except that in the third flash sugar cane tops
produced mushroom of higher yield than banana leaves, similar trends were measured for the other mushroom
attributes. The maize stover and cobs substrate gave the highest yield which was 221.7, 189.2 and 107.9 g in the
first, second and third flashes, respectively.
Key words: Marketable yield, mushroom flush, oyster mushroom, pileus diameter, stipe length, substrate,
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Cite this Reference:
Bonginkhosi E. Dlamini, Diana M. Earnshaw and Michael T. Masarirambi, . Growth and Yield Response of Oyster Mushroom (Pleurotus ostreatus) Grown on Different Locally Available Substrates. Current Research Journal of Biological Sciences, (5): 623-629.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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