느타리버섯 자실체의 생육 및 미세구조에 미치는 온도의 영향 = Effect of Temperature on the Growth and Microstructure of Fruit Body in the Basidiomycetes, Pleurotus ostreatus

국문 초록 (Abstract)

생육온도가 느타리버섯 자실체의 생육 및 조직에 미치는 영향을 검토하기 위하여 온도를 $7^{\circ}C,\;15^{\circ}C,\;23^{\circ}C$로 달리하여 생육시키고, 자실체의 특성 및 조직의 미세구조 변화를 관찰 한 결과, 생육온도가 높을수록 갓의 두께는 얇아지고, 대의 두께 및 대의 길이는 길어졌으며, 버섯의 갓 색깔이 백색에 가깝게 변화하였다. 생육온도에 따른 자실체의 미세구조변화는 생육온도가 높아질수록 주름에 있어서 담자포자의 비산이 빠르고, 노화현상이 두드러졌다. 생육온도별로 느타리버섯 대부위의 물리적 특성을 조사한 결과 생육온도가 높을수록 경도는 낮아졌는데 이는 세포의 노화 및 균사의 밀도가 낮았기 때문으로 생각된다. 또한 대의 세포학적인 특정으로 액포화가 두드러져 생육온도가 높을수록 생육일수는 빨라지나 그만큼 노화가 쉽게 일어남을 확인하였다.

다국어 초록 (Multilingual Abstract)

To elucidate the effect of temperature on the fruit body growth and structure of pleurotus ostreatus cultivar Chunchu No.2, microstructures were observed with scanning- and transmission electron microscope. Pileocystidia were well developed on the surface of pileus in the fruit body cultivated at $7^{\circ}C$. As the increasing temperature for fruit body development, thickness of pileus, thickness of stipes and length of stipes shown thin, thick and long, respectively. Color of pileus was also changes to whitish grown under high temperature. Physical structure shown as hardness and gumminess of stipes grown at high temperature, fruit body were soften than that of low temperature. Microstructures of fruit body grown at high temperature shown fast-discharge of basidiospore and sytoms aging. vacuolation in the cell observed at mycelium grown under high temperature. Optimum temperature for vegetative growth of fruit bodies were $15^{\circ}C$, and shown regular arrangement of mycelium on the surface of stipes.

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