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African Journal of Biotechnology

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Effect of wheat bran supplementation with fresh and composted agricultural wastes on the growth of Kenyan native wood ear mushrooms [Auricularia auricula (L. ex Hook.) Underw.]

BO Onyango, CA Otieno, VA Palapala

Abstract


Nutrient supplements and agricultural wastes used for mushroom cultivation are important in improving establishment and production of mushrooms. Agricultural wastes such as sawdust, grass, sugarcane bagasse, wheat straw and maize cobs have successfully been used for the production of Kenyan wood ear mushrooms [Auricularia auricula (L. ex Hook.) Underw.]. However, the effect of varying concentrations of wheat bran supplements on their productivity has not been fully researched. In this study, fresh and composted agricultural wastes were supplemented with wheat bran at concentrations of 0, 5, 10 and 20%. The cultivation experiment was arranged in a completely randomized design (CRD) and replicated three times. Data was collected on days to spawn run, days to primordial initiation, primordial concentration quality and biological efficiency. The data collected was subjected to analysis of variance using SAS version 9.1. Mean separation was done using least significant difference (LSD) and effects were declared significant at 5% level.

Keywords: Wood ear mushrooms, fresh and composted agricultural wastes, wheat bran, Kenya

African Journal of Biotechnology Vol. 12(19), pp. 2692-2698



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