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

씨마 대량생산을 위한 수경재배 조건 연구

  • Lee Hee-Sun (Korea National Agricultural College) ;
  • Kim Hyun-Jun (National Institute of Highland Agriculture, RDA) ;
  • Park Byoung-Jae (College of Agriculture and Life Sciences, Kangwon National University) ;
  • Park Cheol-Ho (College of Agriculture and Life Sciences, Kangwon National University) ;
  • Chang Kwang-Jin (Korea National Agricultural College)
  • Published : 2006.04.01


This study was carried out to establish of hydroponic culture system for year-round mass production of yam and for supply of disease-free seed tubers from the superior yam species. There were not difference in tuber weight between 9 hrs photoperiod(640mg) and natural photoperiod(600mg). However, longer photoperiod than 9 hrs such as 12 hrs and 15 hrs decreased tuber weight to 490 and 500g, respectively, which sugested that long photoperiod showed adverse effect for tuber enlargement. Tuber enlargement of Dioscorea opposite according to ionic strength was higher at 50% nutrient of Sanyak's standard solution. The optimal concentration of NAA for the best tuber growth showed at 100mg/L as a 560mg while control showed a relatively lower tuber growth(350mg).

1. 일장과 온도의 영향은 자연일장에서 괴경이 600mg, 9시간 단일에서 640mg으로 큰 차이가 없었으나 12시간 처리구, 15시간 처리구에서는 490, 500mg으로 일장이 영향을 미쳤다. 2. 배양액의 농도가 마의 비대에 미치는 영향을 조사한 결과 양액은 50% 용액에서 420mg으로 다른 처리구에 비해 높게 나타났다. 3. 호르몬농도는 NAA100mg/L에서 560mg으로 무처리 및 다른 농도구에 비하여 가장 좋았다.



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