Wabali And Wocha


Wabali and Wocha

Journal of  Agricultural Sciences

Vol. 3 (6), pp.
437-444, June 2013.

 ISSN: 2276-7770 



Manuscript Number: 030613517


The Effect of Nutrient Concentration
on the Yield of Mushroom (Pleurotus Osttreatus)


*Wabali .C. Victor and Wocha Ifeanyi


Department of Crop/Soil Science,Faculty of
Agriculture,University of Port-Harcourt

P.M.B 5323, Choba, Port–Harcourt, Nigeria.


*Corresponding Author’s Email:Victor_wabali @ yahoo. com


Various percentage concentration of wheat bran was used to
examine their effect on yield of mushroom in terms of total
and average yield. Wheat bran was added to saw dust the main
substrate medium used for mushroom growth.
 The treatment used are control, 2.5%, 5%, 7.5%, 10%, 12.5%,
15%, 17.5% and 20%.
 Six replicas of each treatment was made, sterilized and
inoculated with spores of (Pleurotus ostreatus) mushroom.
Data was collected over a 30 day period. Data obtained were
analysed statistically using Duncan multiple range test (DMRT)
at 5% level of probability. Results indicate a gradual
increase in both total and average yield of mushroom from
2.5% to 12.5%. The highest growth yield (average) of 22.78g
and total yield of 683.5g was observed for 12.5% wheat bran
concentration. Also, after 12.5% of wheat bran concentration
both average and total yield declined sharply due to
contamination of the fruiting bags.
 Consequently, higher nutrient concentration above 12.5%
favoured the growth of competing organisms which cause
spoilage. The study indicated that best results in terms of
yield can be obtained by using wheat bran concentrations of
7.5% to 12.5%.
Keyword: Mushroom yield, Nutrients.

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