Effects of Aeration in Sawdust Cultivation Bags on Hyphal Growth of Lentinula edodes
The effects of aeration through lid filters in sawdust cultivation bags on the hyphal growth of Lentinula edodes (oak mushroom) were investigated. The aeration treatment levels were traditional 27 mm hole cotton plugs, cotton balls and combinations of 7 hole sizes x two hole positions ( up and under) in the lids covering the plastic bags with 1. 4kg sawdust medium at 63％ moisture. The bags were autoclaved for one hour and inoculated with sawdust spawn of L. edodes strain 921. Aeration treatment effects were measured by CO2 concentration, hyphal growth rate and degree of weight loss of bags every 14 days for 15 weeks. In bags with traditional cotton plugs,CO2 concentration was 3. 8％ ±1.3％ ,daily mean hyphal growth was 2. 3 ±0. 6 mm and daily mean weight loss was 0. 84 ± 0. 26 g. Whereas, in the bags with 15 mm diameter holes, CO2 concentration was 6.0％ ± 1. 6％ ,daily hyphal growth was 2. 8 ±0. 2 mm and daily weight loss was 0. 86 ±0. 4 g. The bags with a 15 mm hole were higher in CO2 concentration,lower in water loss than other bags,but hyphal growth was not significantly different from the other bags. Weight loss of bags proportionally increased relative to lid hole sizes. These results indicate that traditional cotton plugs are economically efficient but 15 mm hole lids are the most efficient in keeping hyphal growth and controlling water loss while allowing CO2 emissions.
Lentinula edodes Sawdust Bag Cultivation CO2 Concentration Hyphal Growth Medium Weight Loss
Hwa-Yong Lee Eun-Ju Ham Young-Jin Lee Eui-Sung Kim Gyu-Kwang Shim Chang-Duck Koo
Department of Forest Science Chungbuk National University Jeonbuk Agricultural Research Institute,Seoul, Republic of Korea Pal-OTech Ltd, Seoul,Republic of Korea Pal-OTech Ltd, Seoul, Republic of Korea
国际会议
The 18th Congress of the International Society for Mushroom Science(第十八届国际食用菌大会 ISMS18)
北京
英文
809-814
2012-08-27（万方平台首次上网日期，不代表论文的发表时间）