생물환경조절학회지 (Journal of Bio-Environment Control)

  • 제30권2호
  • /
  • Pages.140-148
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  • 2021
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  • 1229-4675(pISSN)
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  • 2765-3641(eISSN)
한국생물환경조절학회 (The Korean Society for Bio-Environment Control)
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생육 시기와 온도에 따른 솎아내기 전후의 새송이버섯의 이산화탄소 발생 속도 모델링

Carbon Dioxide Emission Modeling of King Oyster Mushroom before and after Thinning Processes According to Temperature and Growth Stage

  • 정대호 (제주한라대학교 생명자원학부 환경원예과) ;
  • 손정익 (서울대학교 농림생물자원학부)
  • Jung, Dae Ho (Department of Environmental Horticulture, Cheju Halla University) ;
  • Son, Jung Eek (Department of Agriculture, Forest and Bioresources (Horticultural Science and Biotechnology))
  • 투고 : 2021.03.22
  • 심사 : 2021.04.21
  • 발행 : 2021.04.30
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초록

온도와 CO2 농도는 버섯의 생육과 품질에 영향을 미친다. 특히, 버섯의 호흡에 의한 고농도 CO2는 버섯의 생리 장해를 발생시킨다. 본 연구에서는 생육 시기와 솎아내기 여부에 따른 새송이 버섯(Pleurotus eryngii (DC.) Quél)의 CO2 발생 속도를 정량화 하였다. 버섯의 자실체를 포함하는 배지의 CO2 발생 속도는 솎아내기 전에 비해 후에 통계적으로 유의미한 상승을 보였다. 호흡 모델에서 자실체의 유지 계수와 CO2 발생 계수는 온도에 따른 이차식으로 표현되었다. 버섯 1병의 CO2 발생 속도 모델에 의한 추정치는 실측치와 검증을 통해 R2 = 0.71의 결과를 나타내었다. 이로부터 버섯의 CO2 발생 속도는 생육 시기에 따라 지수적으로, 16℃에서 25℃ 범위에서 이차함수 형태로 증가함을 확인하였다. 본 연구에서 정립한 새송이 버섯의 CO2 발생 속도 모델은 새송이버섯을 재배사의 CO2와 온도 관리를 위해 사용될 수 있다.

Temperature and CO2 concentration affect the yield and quality of mushrooms. In particular, high CO2 concentration due to mushroom respiration induces specific physiological disorders of mushrooms. The objective of this study was to quantify the CO2 emission rate of King Oyster mushrooms (Pleurotus eryngii (DC.) Quél) as a function of temperature and growth stage during the cultivation including thinning processes. CO2 emission rates of the substrate including mycelium before and after thinning were significantly different. In the respiration model, the maintenance and CO2 production coefficients of fruit bodies were expressed as quadratic equations according to temperature. The total CO2 emission rate of a bottle of mushroom estimated by the model were validated with measured ones (R2 = 0.71). The CO2 emission rates of the mushroom showed exponential and quadratical increases with growth stage and temperature at 16 to 25℃, respectively. The CO2 emission rate models developed for King Oyster mushroom can be utilized to control the CO2 concentration and temperature in mushroom cultivation facilities.

키워드

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