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Effects of substrate composition on the primordia and growth of fruiting body in Pleurotus nebrodensis during bottle cultivation.

백령버섯 병재배 배지조성이 발이와 생육에 미치는 영향

  • Jeoung, Yun-Kyeoung (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services) ;
  • Kim, Jeong-Han (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services) ;
  • Baek, Il-Sun (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services) ;
  • Lee, Yong-Sun (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services) ;
  • Kang, Young-Ju (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services) ;
  • Chi, Jeong-Hyun (Mushroom Research Institute, GARES, Gyeonggi-Do Agricultural Research and Extension Services)
  • 정윤경 (경기도농업기술원 버섯연구소) ;
  • 김정한 (경기도농업기술원 버섯연구소) ;
  • 백일선 (경기도농업기술원 버섯연구소) ;
  • 이용선 (경기도농업기술원 버섯연구소) ;
  • 강영주 (경기도농업기술원 버섯연구소) ;
  • 지정현 (경기도농업기술원 버섯연구소)
  • Received : 2018.02.14
  • Accepted : 2018.03.28
  • Published : 2018.03.31

Abstract

For the bottle cultivation of pleurotus nebrodensis, poplar tree sawdust was a better substrate than corncobs in terms of primordia and growth characteristics. The nutrition rich substrate was cottonseed dregs, cottonseed coat, bran, corn powder, and rice bran. The mixing ratio was adjusted such that the nitrogen content was ${\leq}58%$; cotton seed dregs, at the level of 20%, were particularly necessary to adjust the nitrogen content for the substrates that had high total nitrogen content. Additionally, inclusion of calcium carbonate in the substrate was better for primordia and growth characteristics than inclusion of calcium hydroxide. In the absence of calcium carbonate, the elasticity of pileus and stipe decreased and their hardness increased. Therefore, the optimum substrate composition for the cultivation of Pleurotus nebrodensis was 40:20:20:15:3:2 mixing ratio of poplar tree sawdust, cottonseed dregs, cottonseed coat, bran, corn powder, and calcium carbonate.

백령버섯 병재배용 배지 주재료는 콘코브 배지보다는 미루나무톱밥 배지 처리구에서 발이 및 생육특성이 가장 양호하였으며, 배지 영양원으로는 면실피, 면실박, 밀기울, 옥수수분, 미강 등이 적합하였고, 배지 혼합 비율은 58% 이내 범위에서 재료별로 질소함량을 고려하여 가감 사용하는 것이 적당하였으며, T-N 함량이 높은 면실박 사용량은 20% 수준으로 조절할 필요가 있었다. 또한, 배지 첨가제는 탄산칼슘 처리가 소석회 처리보다 양호하였으며, 무처리구의 경우 갓과 대의 탄력성은 감소하고 경도는 증가되는 경향을 보였다. 따라서, 백령버섯 병재배용 최적배지는 미루나무톱밥+면실피+면실박+밀기울+옥수수분+탄산칼슘이 40:20:20:15:3:2의 혼합 비율로 조성되는 처리구였다.

Keywords

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