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http://dx.doi.org/10.14480/JM.2020.18.4.303

Cultivation characteristics and yield of Sparassis crispa according to medium pH, medium moisture content, and inoculum volume of liquid spawn  

Heo, Byong-Soo (Jeollabuk-do Agricultural Research and Extension Services)
Choi, Kyu-Hwan (Jeollabuk-do Agricultural Research and Extension Services)
Jo, Yeong-Min (Jeollabuk-do Agricultural Research and Extension Services)
Kim, Hee-Jun (Jeollabuk-do Agricultural Research and Extension Services)
Publication Information
Journal of Mushroom / v.18, no.4, 2020 , pp. 303-310 More about this Journal
Abstract
The cultivation of Sparassis crispa in the beginning of the 2000s in South Korea, and the cultivar 'Neowul' bred in the Chonbuk Agricultural Research and Extension Service were registered first in 2016. However, there is no manual for the cultivation of Sparassis crispa, and therefore, there remains a big difference in its harvest rate across farms. Herein, we aimed to study the primordium formation conditions of Sparassis crispa 'Neowul' according to the medium pH, medium moisture content, and inoculum volume of liquid spawn and develop a stable production technology. We found the annual yield per bottle relating to the cultivation period, harvest rate, and the weight of fruiting body to be the highest at 363.6 g in the area cultivated at pH 3.8. However, it is thought that cultivation by adjusting the pH to 3.9±1 would be necessary for stable production, considering that at pH 3.6, the yield sharply reduced to 189.5 g. Moreover, the culture period was shorter at pH 4.0 compared with that at pH3.8, and the cultivation period at pH 4.0 was the same as that at pH 3.8. No significant difference in the weight of the fruiting body at different conditions was recognized. Additionally, it is difficult to regulate the pH precisely in practical applications in the farms. It is thought that 341.8 g Sparassis crispa will be produced per bottle annually if the medium moisture content is adjusted to 65%, liquid spawn inoculum volume is equivalent to 4% of the medium volume, and the humidity in the culture room is set to below 50%.
Keywords
Bottle culture; Cauliflower; Fruiting body; Sparassis crispa;
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