Cultivation of Kabul Dhingri (Pleurotus eryngii) mushroom by standardizing protocols in subtropical zones of world

Author: mycolabadmin
7/19/2021
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Summary

Scientists in India developed standard protocols for growing King Oyster mushrooms (Kabul Dhingri) in subtropical regions. They tested different types of straw, sterilization methods, and planting densities to find the best conditions for maximum yield. Paddy straw provided the best results, while chemical sterilization and a 5% spawn rate worked best. These findings help farmers grow nutritious protein-rich mushrooms efficiently using agricultural waste.

Background

Pleurotus eryngii (King Oyster mushroom) is a nutritious edible fungus with immunity-enhancing properties that can convert agricultural wastes into protein-rich food. The mushroom species is relatively new to subtropical regions and requires standardized cultivation protocols. India’s large youth population presents significant potential for mushroom cultivation to contribute to national income and enhanced immunity.

Objective

This study aimed to standardize cultivation protocols for Pleurotus eryngii in subtropical zones by evaluating optimal spawn production methodologies, cultivation techniques, and factors affecting production and yield attributes under ambient conditions. Key aspects included determining the best substrate, sterilization method, spawn rate, and substrate quantity for maximum biological efficiency.

Results

Paddy straw yielded the highest biological efficiency (88.4%) and maximum fruiting bodies (32.8), while maize straw showed fastest spawn run (8 days). Chemical steeping with chlorine water (0.4%) + carbendazim (2%) + dichlorovos (0.1%) achieved highest yields (78.7% BE). Spawn rate of 5% produced the best results (97.3% BE, 14.4 days spawn run completion). Substrate quantity increase showed insignificant effect on biological efficiency when spawn rate remained constant.

Conclusion

Paddy and wheat straw are optimal substrates for Pleurotus eryngii cultivation in subtropical zones, with maize straw recommended as an alternative. Complete chemical sterilization is superior to water and aerated steam treatment. A 5% spawn rate is recommended for humid subtropical conditions, and 5-6 kg substrate bags with proper management can provide good yields and income for marginal farmers without significant yield reduction from increased substrate quantity.

Published in:Scientific Reports,
Study Type:Experimental Research,
Source: 10.1038/s41598-021-94038-2, PMID: 34282191