Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Changes of pileus color, yield and morphological traits due to cultivation temperature in Pleurotus spp.

생육온도에 따른 느타리류의 갓색, 수량 및 형태적 특성 변화

  • Jae-San, Ryu (Department of Mushroom Science Korea National College of Agriculture and Fisheries) ;
  • Kyeong Sook, Na (Department of Mushroom Science Korea National College of Agriculture and Fisheries) ;
  • Yong kuk, Lee (Department of Mushroom Science Korea National College of Agriculture and Fisheries) ;
  • Jeong Woo, Lee (HankukWonkyun)
  • 류재산 (한국농수산대학교 버섯학과) ;
  • 나경숙 (한국농수산대학교 버섯학과) ;
  • 이용국 (한국농수산대학교 버섯학과) ;
  • 이정우 (한국원균)
  • Received : 2022.11.03
  • Accepted : 2022.12.05
  • Published : 2022.12.31
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Abstract

To elucidate how cultivation temperature affected various traits including pileus color, yield and morphology of Pleurotusspp. Main results were as follows. Pileus lightness of all cultivars of Pleurotustested became higher as cultivation temperature increased, while those of Santari, Hwang-geumsantari and Sunjung at 21℃ were lower than at 18℃. Redness and yellowness of pileus decreased as cultivation temperature increased; those of chromatic pileus cultivars showed noticeable difference. Yellowness of cultivar with chromatic pileus was higher than that of cultivar with achromatic pileus. Yield was increased as cultivation temperature increased, Wonhyeung 1ho; low temperature favored cultivar showed high yield when it was cultivated at low temperature andno fruiting body at 21℃. Valid number of stipes were generally higher at 18℃, and its correlation coefficient with yield was low. Length and stipe thickness changed consistently (larger and thicker) upon cultivation temperature; the coefficient of determination(R2) 0.514 for lengthof Heuktari and 0.963for stipe thickness of Santari were high. Correlation coefficient of one trait was highly related with multiple traits. In the future, we will conduct research on the changes of expressed genes involved in the pigments for pileus color by RNA expression analysis.

생육온도가 느타리류 품종의 갓색과 수량, 형태관련 형질에 어떤 영향을 미치는지 알아보고자 하였다. 주요결과는 다음과 같다. 느타리류의 모든 품종에서 생육온도가 12℃에서 21℃로 높아짐에 따라 갓색의 명도(L)가 높아졌지만, 산타리, 황금산타리, 순정은 21℃의 갓색 명도가 18℃ 보다 낮았다. 갓색의 적색도와 황색도는 생육온도가 높아 질수록 낮아졌는데, 유채색계열의 변화폭이 컸다. 유채색의 황색도는 생육온도 전반에서 무채색보다 높았다. 전체 수량은 생육온도가 높아질수록 많아지는 경향이었으나, 저온성 품종인 원형1호는 저온일수록 전체수량이 높았고 21℃에서는 발이가 불가능하였다. 유효경수는 대체적으로 18℃에서 가장 많았고, 수량과의 상관관계는 낮았다. 자실체의 전체 길이와 대두께는 생육온도의 상승에 따라 길어지고 뚜꺼워지는 경향이 뚜렸했으며, 흑타리의 전체길이와 온도사이의 결정계수(R2)는 0.514, 산타리의 대두께와 온도사이의 결정계수는 0.963로 나타났다. 상관분석의 결과 한 형질에 대해 복수의 형질이 높은 상관관계를 보였다. 앞으로 RNA 발현 분석을 통하여 생육온도에 따라 변화하는 느타리류 갓색물질과 관련 있는 유전자의 변화 양상을 밝힐 계획이다.

Keywords

Acknowledgement

이 논문은 2022년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행된 기초연구사업임(과제번호 2022R1F1A1073715).

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