현장농수산연구지 (Journal of Practical Agriculture & Fisheries Research)

국립한국농수산대학교 교육개발센터 (Korea National University of Agriculture and Fisheries)
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씨마 대량생산을 위한 수경재배시스템 연구

Development of Hydroponic Culture Systems for Seed Tuber Production of Yam(Dioscorea opposita)

  • Chang, Kwang Jin (Korea National Agricultural College, RDA) ;
  • Lee, Hee Sun (Korea National Agricultural College, RDA) ;
  • Kim, Hyun Jun (Rural Development Administration) ;
  • Park, Byoung Jae (College of Agriculutre and Life Sciences, Kangwon National University Chunchon Korea) ;
  • Park, Cheol Ho (College of Agriculutre and Life Sciences, Kangwon National University Chunchon Korea)
  • 발행 : 2005.03.30
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초록

1. 일장과 온도의 영향은 자연일장에서 괴경이 600mg, 9시간 단일에서 640mg으로 큰 차이가 없었으나 12시간처리구, 15시간처리구에서는 490, 500mg으로 일장이 영향을 미쳤다. 2. 배양액의 농도가 마의 비대에 미치는 영향을 조사한 결과 양액은 50% 용액에서 420mg으로 다른 구에 비해 가장 높게 나타났다. 3. 호르몬농도는 NAAl00ppm에서 560mg으로 무처리 및 다른 농도구에 비하여 가장 좋았다.

This study was carried out to establish the hydroponics production method for year-round cultivation of yam and to establish the mass production system of disease-free seed tubers from the superior yam species through water culture. There were no difference in tuber weight between 9 hr photoperiod(640mg) and natural photoperiod(600mg). However, longer photoperiod such as 12hr and 15hr decreased tuber weight to 490 and 500g, respectively, indicating that long photoperiod effects adversely tuber enlargement. Dioscorea opposita which was grown with hydroponics effected markedly tuber enlargement at 50% nutrient of Sanyak's standard solution. Hormone treatment of NAA 100ppm resulted in the best tuber growth(560mg) while control showed a relatively lower tuber growth(350mg).

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