FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
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Optimum Light Intensity, Media and Fertilization for Potted Orostachys malacophyllus from Taebaek

태백둥근바위솔 분화 재배를 위한 적정 광도, 용토 및 시비 수준

  • Jeong, Kyeong Jin (Department of Horticultural Science, Geongnam National University of Science and Technology) ;
  • Chon, Young Shin (Department of Horticultural Science, Geongnam National University of Science and Technology) ;
  • Ha, Su Hyeon (Department of Horticultural Science, Geongnam National University of Science and Technology) ;
  • Yun, Jae Gill (Department of Horticultural Science, Geongnam National University of Science and Technology)
  • 정경진 (경남과학기술대학교 원예학과) ;
  • 천영신 (경남과학기술대학교 원예학과) ;
  • 하수현 (경남과학기술대학교 원예학과) ;
  • 윤재길 (경남과학기술대학교 원예학과)
  • Published : 2013.06.30
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Abstract

To develop Orostachys malacophyllus from Taebaek (Korean name, Taebaek bawisol) as a pot plant or indoor plant, the effect of light intensity, shading tolerance, potting media, and fertilization level were investigated. To select the proper light intensity, the plants were grown under different light intensity (52, 82, 90, and 97% shading). The growth of the plants was better as the shading rate decreased by 52%. On the contrary, it was worse as the shading rate increased by 97%. Survival rate were 100% at all shading rates, indicating that O. malacophyllus from Taebaek has a very high tolerance against low light intensity. To select a proper potting media, decomposed granite (DG) : fertilizer- amended media (FAM) : river sand (RS) (60:20:20, v/v/v), DG : FAM (80:20), DG : FAM (60:40), and FAM : RS (20:80) were used as potting medea. There is no significant difference among the media, indicating that O. malacophyllus from Taebaek has a very high adaptability to the kinds of media. At the experiment for selection of proper fertilization level, the plants were grown under 5 levels of fertilization; control (tap water), once drenching at 1 week or 2 weeks intervals with Hyponex solution diluted by 1,000 or 2,000 times. Once drenching per 1 week with 1,000 folds solution brought the highest results in fresh weight, plant height and plant width. However, other fertilization levels showed no difference from control.

태백둥근바위솔을 분화로 개발하고 실내식물로 이용하기 위한 기초를 자료를 얻기 위해, 광도와 분용토 그리고 시비조건이 태백둥근바위솔의 생육과 품질에 미치는 영향을 알아본 결과는 다음과 같다. 적정 광도를 알아보기 위해 광도를 52, 82, 90, 97%로 차광을 하고 태백둥근바위솔을 재배한 결과, 차광율이 낮을수록 생육이 좋고 차광율이 높을수록 생육이 현저하게 떨어졌다. 그러나 생존율은 97% 차광구에서도 100%나 되어 태백둥근바위솔은 내음성이 매우 뛰어난 것으로 판단되었다. 적정 분용토 선발을 위하여 마사토 : 유비상토(80 : 20, v/v), 마사토 : 유비상토(60 : 40, v/v), 유비상토 : 강모래(20 : 80, v/v), 마사토 :유비상토 : 강모래(60:20:20, v/v/v)와 같이 4종류의 배합토를 이용하였다. 그 결과 모든 배양토에서 처리간 유의적인 차이가 보이지 않아, 태백바위솔은 토양에 대한 적응성이 매우 높은 것으로 보였다. 적정 시비조건을 찾기 위해 Hyponex 액비를 1,000배 또는 2,000배로 희석하여 1회/1주, 또는 1회/2주로 처리했을 때, 1회/1주 처리구에서 생체중 및 초장과 초폭에서 가장 높게 나타났으나, 다른 처리구에서는 대조구와 유의적인 차이가 없었다.

Keywords

References

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