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Yield of oyster mushroom (Pleurotus ostreatus) using different growth promoters

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Research Paper 04/07/2024
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Yield of oyster mushroom (Pleurotus ostreatus) using different growth promoters

Garcia, Jerlyn G.
Int. J. Biosci.25( 1), 117-126, July 2024.
Certificate: IJB 2024 [Generate Certificate]
Key: Fruiting bagsGrowth promotersOyster mushroomRice wash

Abstract

The effect of different growth promoters on oyster mushroom growth and yield was conducted from December 2023 to February, 2024 at Barangay Canangan, Angadanan, Isabela. Six different growth promoters namely: Fermented fruit juice, Nutrient solution, Gibberellic acid, Urea solution, Cytokinin solution, Rice wash and plain water as control at a rate of 30 ml per liter of water was applied in the mushroom fruiting bags.  The study was laid in a Completely Randomized Design with three replications. Cultural management such as pasteurizing the substrates for 10 hours prior to oyster mushroom spawn inoculation and other management protocols were strictly adhered. Results of the study showed that irrespective of the growth promoters’ sources, there was consistent mushroom cap thickness across all treatments.  The application of rice wash resulted in the largest cap diameter, however, comparable to Nutrient Solution Fermented Fruit Juice, Cytokinin, and Gibberellic acid. Gibberellic acid treated fruiting bag had elongated stalks in fruit bodies similar to those treated with Fermented Fruit Juice and rice wash.  Differences in mushroom cap numbers were observed among different growth promoters. Nutrient solution attained the heaviest mushroom caps among the growth promoters.  Biological efficiency analysis indicated that Rice wash appeared as the most effective growth promoter, showing high efficiency in converting substrate into mushroom biomass. The return analysis revealed that Treatment 6 (Rice wash) gave the highest return on investment at 116.48 percent per fruiting bag. These findings stress out the possibility of rice wash as a cost-effective and efficient growth promoter for mushroom cultivation, offering promising implications for agricultural practices and production sustainability.

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