Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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The ptimum temperatures during cultivation period of Gastrodia elata according to growth stages

천마 생육단계별 변온에 의한 최적온도 및 재배기간

  • Kim, Chang-Su (Jeollabukdo Agricultural Research & Extension Services) ;
  • Kim, Hyo-Jin (Jeollabukdo Agricultural Research & Extension Services) ;
  • Seo, Sang-Young (Jeollabukdo Agricultural Research & Extension Services) ;
  • Kim, Hee-Jun (Jeollabukdo Agricultural Research & Extension Services) ;
  • Lee, Wang-Hyu (Department of Agricultural Biology, Chonbuk National University)
  • Received : 2018.04.19
  • Accepted : 2018.06.29
  • Published : 2018.06.30
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Abstract

This study was carried out to investigate the optimum temperature and the cultivation period according to the different growth stages of Gastrodia elata (G. elata). The growth period for the indoor cultivation of G. elata is divided into four stages that require specific temperatures during the enlargement of the tuber. The optimum temperatures and cultivation periods during the growth stages of G. elata were observed to be $20^{\circ}C$ for 30 days during the mycelial growth stage (MGS), $25^{\circ}C$ for 120 days during the tuber formation stage (TFS), $6-24^{\circ}C$ for 60 days during the tuber enlargement stage (TES), and $5^{\circ}C$ for 30 days during the dormant stage (DS). The total cultivation period was shortened by 120 days in the indoor cultivation facilities by reduction of 30 days from the mycelial growth stage, addition of 30 days to the tuber formation stage, and reduction of 120 days from the dormancy stage as compared to the outdoor field cultivation. These results provide a basis for a growth model that permits year-round cultivation of G. elata.

본 연구는 실내시설재배에서 천마의 생육단계를 균사활착기, 괴경형성기, 괴경비대기, 휴면기로 구분하고, 최적 온도 및 배양기간을 설정하였으며, 괴경비대기에 변온처리를 하였다. 천마의 균사활착기는 $20^{\circ}C$에서 30일, 괴경형성기는 $25^{\circ}C$에서 120일, 괴경비대기는 $6{\sim}24^{\circ}C$에서 60일, 휴면기는 $5^{\circ}C$에서 30일로 처리하여 총 배양기간은 240일로 설정하였다. 실내시설재배는 노지재배보다 균사활착기는 30일 단축되었고, 괴경형성기는 30일 연장되었으며, 휴면기는 120일 단축됨으로써, 전체 재배기간이 약 120일 단축되었다. 따라서, 본 연구 결과, 밀폐된 실내시설재배에서 온도 조건을 제어하면 천마를 연중생산 할 수 있는 생육모델의 기초자료로 활용될 수 있을 것으로 판단되었다.

Keywords

References

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