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Cultivation characteristics and yield of Sparassis latifolia depend on the substrate mixture

꽃송이버섯(Sparassis latifolia) 생육배지 조성에 따른 재배특성 및 수량

  • Heo, Byong-Soo (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Choi, Kyu-Hwan (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Jo, Yeong-Min (Jeollabuk-do Agricultural Research and Extension Services)
  • Received : 2022.04.13
  • Accepted : 2022.06.22
  • Published : 2022.06.30

Abstract

We investigated the standard cultivation substrate for Sparassis latifolia "Neowul" bred in Jeollabuk-do Agricultural Research and Extension Services. Cultivation characteristics and yield were assessed by varying the kind of sawdust and additives, and the mixing ratio. The cultivation period in larch sawdust was the shortest at 97 days. The yield was excellent (143.6 g). The findings indicated that larch is a tree species appropriate for the cultivation of S. latifolia. When the additives were varied, the yield and productivity (53.1%) were highest (116.6 g) for the wheat bran treatment. Thus, wheat bran would be an additive appropriate for culturing S. latifolia. Concerning the use of different mixing ratios, larch sawdust:beet-pulp:wheat bran ratios of 80:15:5 and 85:10:5 resulted in yields of 114.4 g and 111.4 g, and productivity of 52.5% and 51.8%, respectively. These yield and productivity values were not statistically different. Thus, the standard cultivation substrate for S. latifolia can comprise larch sawdust, beet pulp, and wheat bran at a ratio of 80:15:5 or 85:10:5. The carbon/nitrogen (C/N) ratio assumed to be appropriate for the cultivation of S. latifolia was 184-223. Pinheading would be difficult below a C/N substrate ratio of 105. Thus, the C/N ratio of the media, as well as the pH, would be vital factors affecting pinheading during S. latifolia cultivation.

전라북도농업기술원이 육성한 꽃송이버섯 '너울'의 표준 생육배지 구명을 위해 톱밥과 첨가물의 종류, 배합비를 달리하여 재배특성과 수량을 조사하였다. 톱밥 종류에서는 낙엽송 처리가 재배일수 97일로 가장 짧았으며 수량 역시 143.6 g으로 우수함에 따라 꽃송이버섯 재배에 적합한 수종으로 판단된다. 첨가물 선발시험에서는 수량이 밀기울 처리에서 116.6 g으로 가장 많았고, 수율 역시 밀기울 처리에서 53.1%로 가장 높음에 따라 꽃송이버섯 생산에 적합한 첨가물로 밀기울이 적합하다고 판단된다. 낙엽송 톱밥:비트펄프:밀기울을 이용한 배합비 조성에 따른 시험 결과, 수량은 80:15:5와 85:10:5 처리에서 각각 114.4 g, 111.4 g이었고, 수율은 85:10:5 처리에서 52.5%, 80:15:5 처리에서 51.8%였으나 수량과 수율에서 두 처리간의 통계상 유의성이 없었다. 따라서 꽃송이버섯 생산에 적합한 표준 생육배지로는 낙엽송 톱밥:비트펄프:밀기울을 이용한 80:15:5 또는 85:10:5 배합비가 유리한 것으로 판단되며, 이를 통해 꽃송이버섯 재배에 적합한 C/N율은 184~223 수준임을 추측할 수 있었다. 또한, 배지의 C/N율이 105 이하일 때는 발이가 어려움에 따라 꽃송이버섯 재배에 있어서 배지 pH 외에 배지의 C/N율 역시 발이에 중요한 요인이라는 것을 알 수 있었다.

Keywords

Acknowledgement

본 논문은 전북농업기술원 연구사업(과제번호: LP004181)의 지원에 의해 이루어진 것임.

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