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Characteristics of temperature variation in the collection area of Amanita virgineoides

흰가시광대버섯(Amanita virgineoides) 발생지역의 기온변화 특성

  • 이강효 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 한재구 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 조재한 (농촌진흥청 국립원예특작과학원 버섯과) ;
  • 공원식 (농촌진흥청 국립원예특작과학원 버섯과)
  • Received : 2018.12.12
  • Accepted : 2018.12.20
  • Published : 2018.12.31

Abstract

Amanita virgineoides Bas is an ectomycorrhizal mushroom belonging to the family Amanitaceae in the order Agaricales. This fungus usually grows solely on damp soil in coniferous or deciduous forests from summer to autumn. Although Korean people consume A. virgineoides, some studies indicate that it can be poisonous. During our biodiversity survey of four specific regions i.e., Yongin, Eumseong, and Chungju from 2016 to 2018, A. virgineoides specimens were collected on the sixth rotation. We analyzed the temperature, precipitation, relative humidity, and vegetation surrounding the A. virgineoides fruiting bodies to reveal the environmental factors that influenced mushroom formation. It was found to usually grow in August, the hottest season in Korea. For 60 days before forming the fruiting body, temperatures were found to be between 20 and $30^{\circ}C$. More evidence is necessary to ensure that change in temperature is the major environmental factor that determines A. virgineoides fruiting.

유버섯자원 개발을 위한 기초자료를 확보하기 위해용용 흰가시광대버섯(A. virgineoides)의 정점조사지역 내 발생양상과 기온의 변화양상을 조사하였다. 버섯발생전 60일간의 기온변화는 조사지역에 따라 다르게 나타났으며, 특히 발생전 20일간의 기온분포는 발생여부와 조사지역에 따라 상반되는 양상을 보였다. 흰가시광대버섯은 활물공생균으로 기온, 강수량, 상대습도 등과 같은 기상환경뿐만 아니라, 식물분포, 토양미생물, 토양유기물 등 다양한 환경요인이 자실체의 발생에 영향을 주는 것으로 알려져 있다. 본 연구에서는 기온변화 양상만을 분석한 결과, 흰가시광대버섯의 발생과 기온과의 관련성은 조사지역별로 다른 양상을 보였으며, 흰가시광대버섯의 재배생산기술을 개발하기 위해서는 식물상과 토양환경에 대한 정밀한 조사분석을 통해 자실체발생을 좌우하는 요인의 구명이 필요하다.

Keywords

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Fig. 1. Location and botanical statue of wild mushroom research area (a:Yongin, b:Eumseong, c:Chungju).

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Fig. 2. Fruitingbody of Amanita virginoids (a: in yongin, b: in eumseong, c: in chungju).

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Fig. 3. Weather conditions in the collection area of Amanita virginoids (a: in yongin, b: in chungju).

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Fig. 4. Temperature variation before Amanita virginoids (a: in yongin, b: in eumseong, c: in chungju).

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