STUDIES ON CULTIVATION OF GOLDEN OYSTER MUSHROOM (PLEUROTUS CITRINOPILEATUS SINGER)
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Date
2019-06-20
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CSKHPKV, Palampur
Abstract
The present investigations entitled “Studies on cultivation of golden oyster
mushroom (Pleurotus citrinopileatus Singer) was undertaken to evaluate various cultural
requirements, grain substrate for spawn production and different agro-based substrates
used for sporophore production of the test fungus. Out of seven solid media tested, Potato
Dextrose Agar was found to be the best for mycelial growth of the test fungus and also
took minimum days to full the Petri plate. Out of nine spawn substrates, the maximum
mycelial growth rate was observed on sorghum grains (1.12cm/day) and minimum on
pigeonpea (0.65cm/day). The minimum (27.33 days) time for spawn run was observed on
sorghum grains spawn and maximum yield was observed in wheat grain spawn i.e.
893.33g/kg dry substrate. The minimum cost of production was observed on wheat grain
spawn (Rs. 63.25) with maximum profit of Rs. 86.75. Out of nineteen agro-based
substrates, minimum time for spawn run and primordia formation was taken by wheat
straw i.e. 29 days and 34.67 days, respectively and maximum 5.00 number of fruit bodies
was observed on soybean straw substrate. The soybean+maize combination took minimum
days for spawn run (28.67 days) and primordia formation (34.67 days) and maximum
number of primordia (4.33). So far as morphological characters of P.citrinopileatus in
different substrates was concerned, largest pileus size (7.22x6.39cm) was observed on oat
straw with highest average sporophore weight (11g). Among different agro-based substrate
combinations, soybean+maize+oat produced largest pileus size (9.00x7.24cm) and
maximum sporophore weight (12.33g). Maximum yield of 893.33g/kg dry substrate was
observed on wheat straw substrate with maximum number of flushes (3) followed by
soybean i.e. 860g/kg. Biological efficiency of different substrates, ranged between 16.67 to
89.33 per cent, with highest on wheat straw (89.33%). In different agro-based substrate
combinations, soybean+maize+wheat performed quite well with biological efficiency of
87.33 per cent which is at par with the wheat straw.
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