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http://dx.doi.org/10.14480/JM.2022.20.4.274

Characteristics of fruiting body growth according to alternative substrates of king oyster mushroom (Pleurotus eryngii)  

Hye-Sung, Park (Mushroom Research Division, NIHHS, RDA)
Gyong-Jin, Min (Mushroom Research Division, NIHHS, RDA)
Eun-Ji, Lee (Mushroom Research Division, NIHHS, RDA)
Tai Moon, Ha (Mushroom Research Division, NIHHS, RDA)
Publication Information
Journal of Mushroom / v.20, no.4, 2022 , pp. 274-278 More about this Journal
Abstract
The present study aimed at selecting a cost-effective substrate for king oyster mushroom based on the growth characteristics of fruiting body for use as a basic resource to ensure stable production on farms. Compositional analysis of substrates manufactured with different materials in each process revealed that the total carbon content was 42.24-48.22% higher and the total nitrogen content was 1.7-2.29% higher in the processed lot than in the control (i.e., substrate used by the farmhouse; 40.86% and 1.39%, respectively). Meanwhile, the carbon-to-nitrogen ratio was the highest in the control (27.9% vs. 19.12-27.88% in the processed lot). When cultured for 28 days, the mycelium growth was 11.5 and 11.3 mm in substrates 1 and 6, respectively, indicating the fastest growth; meanwhile, the values were 10.1-10.3 mm in the control and substrate 11, showing a similar tendency. Mycelial density did not differ significantly among the processed lots. Yield per bottle was higher in substrates 8 (205.95 g/bottle), 7 (178.51 g/bottle), and 11 (170.63 g/bottle) than in the control (152.2 g/bottle). Fruiting body quality was comparable to controls in all processed lots. Overall, economic effects, such as substrate material prices, should be analyzed, and stability evaluations, such as residual pesticide and harmful microorganisms, should be undertaken along with further detailed examination to ensure safe and stable production on farms.
Keywords
Growth characteristics; King oyster mushroom; Substrate;
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