Journal of Bio-Environment Control (생물환경조절학회지)

The Korean Society for Bio-Environment Control (한국생물환경조절학회)
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Effect of Supplemental lighting on the Growth and Flowering of Rosa hybrida 'Nobles' in winter

겨울철 보광이 절화장미 'Nobles'의 생육 및 개화에 미치는 영향

  • Na, Taek-Sang (Horticultural Research Division, Jeollanamdo Agricultural Research and Extension Service) ;
  • Kim, Jeung-Gun (Horticultural Research Division, Jeollanamdo Agricultural Research and Extension Service) ;
  • Choi, Kyong-Ju (Horticultural Research Division, Jeollanamdo Agricultural Research and Extension Service) ;
  • Gi, Gwang-Yeon (Horticultural Research Division, Jeollanamdo Agricultural Research and Extension Service) ;
  • Yoo, Yong-Kweon (Division of Bioscience, Mokpo Nat'l Univ.)
  • Published : 2007.06.30
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Abstract

This study was carry out to investigate the effect of supplemental lighting on the growth and flowering of Rosa hybrida 'Nobles' in winter. Supplemental lighting was treated during 5 hours at night with sodium lamp and fluorescent lamp, and cut flowers harvested 2 times for the experimental period. After supplemental lighting, air temperature and slab temperature in glasshouse was higher in sodium lamp treatment than control. Realtive humidity was low in sodium lamp treatment. Total nitrogen phosphate, potassium, calcium, and magnesium contents of stem in sodium lamp treatment were higher compare to the other treatment. In sodium lamp treatment, the potassium and magnesium content of leaf in control were lower than the others. Chlorophyll content was not different by source of lighting. Stem length and diameter was longer in sodium lamp treatment. In two times, the yield was highest in sodium lamp treatment. Therefore, supplemental lighting with sodium lamp in winter season was recommended for improving the yield and quality in cut rose 'Nobles'.

본 시험은 겨울철 광원별 보광처리에 따른 장미의 생육장태와 온실내의 온 습도 변화를 조사하기 위하여 수행하였다. 보광재료는 나트륨등과 형광등을 사용하였고, 처리는 야간에 5시간씩 하였고, 2회 수확하였다. 온실 내 온도는 보광시작 후 나트륨 등 보광처리가 높았으며, 슬라브내 온도는 오전 6시에 나트륨등으로 보광한 처리가 높게 나타났으며, 일일 평균습도는 나트륨 등 처리가 낮게 나타났다. 나트륨 등 처리시 장미 줄기의 인산, 칼륨, 칼슘, 마그네슘 함량은 다른 처리보다 많았고, 잎에서는 칼륨과 마그네슘 함량이 다른 처리보다 낮았다. 잎의 엽록소 함량은 처리간 차이가 없었다. 절화장과 줄기 직경은 다른 처리보다 나트륨 등 처리에서 양호하였다. 수량은 2회 모두 나트륨 등 보광에서 더 많이 나와 일조량이 부족한 겨울철에 나트륨 등으로 보광하면 장미 수량과 품질을 높일 것으로 생각된다.

Keywords

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