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The ptimum temperatures during cultivation period of Gastrodia elata according to growth stages

천마 생육단계별 변온에 의한 최적온도 및 재배기간

  • Received : 2018.04.19
  • Accepted : 2018.06.29
  • Published : 2018.06.30

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.

Keywords

Cultivation period;Gastrodia elata;Growth stage;Optimum temperature

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