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http://dx.doi.org/10.14480/JM.2014.12.3.220

Effects of microorganism density and mushroom yields according to the sterilization of casing soils at the cultivation of button mushrooms  

Lee, Chan-Jung (Mushroom Research Division, NIHHS, RDA)
Yoo, Young-Mi (Mushroom Research Division, NIHHS, RDA)
Jhune, Chang-Sung (Mushroom Research Division, NIHHS, RDA)
Cheong, Jong-Chun (Mushroom Research Division, NIHHS, RDA)
Moon, Ji-Won (Mushroom Research Division, NIHHS, RDA)
Kong, Won-Sik (Mushroom Research Division, NIHHS, RDA)
Suh, Jang-Sun (Mushroom Research Division, NIHHS, RDA)
Kim, Yong-Gyun (Chungcheongnam-do Agricultural Research & Exteunsion Services)
Lee, Byung-Eui (Soonchunhyang university)
Yoon, Min-Ho (College of Agriculture and Life Sciences, Chungnam National University)
Publication Information
Journal of Mushroom / v.12, no.3, 2014 , pp. 220-225 More about this Journal
Abstract
This study was conducted to set the proper sterilization standards of casing soil for the stable production of button mushroom(Agaricus bisporus) from mushroom disease that occurs in infection of casing soil material. Changes of aerobic bacteria are increased as the longer grow-out period and sharply increased after second flushes. Fluorescence Psuedomonas showed high density at high sterilization temperature and $100^{\circ}C$ treatment has extremely high density at 30 min and 60 min in casing 22 days. Density of thermophilic actinomyces is sharply increase from casing with soil and the highest density at 22 days of casing and rapidly decrease after first flushes. Sterilizing temperature of casing soil affects quality and quantity of button mushroom. Treatment of 60 min, 90 min at $80^{\circ}C$ and 30 min at $100^{\circ}C$ produced the highest mushroom yields, especially mushrooms yields of A grads were the highest at treatment of 90 min at $80^{\circ}C$. Treatment of 60min at $100^{\circ}C$ products many yields, however, this treatment has low economic feasibility for its yields. Sterilizing temperature of casing soil has an effect on generating diseases and insect pests. Treatment of 60 min, 90 min at $80^{\circ}C$ and 30 min $100^{\circ}C$ showed lower incidence than the other treatment. Although treatment of 30 min at $100^{\circ}C$ causes low diseases and mushroom fly damage, it has low mushroom yields. Furthermore, although treatment of 60 min at $100^{\circ}C$ has high mushroom yields, it causes high diseases and mushroom fly damage. Therefore the best conditions for the sterilization of casing soils was 60 min and 90 min at $80^{\circ}C$.
Keywords
Agaricus bisporus; Casing soil; Disease; Sterilization; Yields;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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