Horticultural Science & Technology (원예과학기술지)

Korean Society of Horticultural Science (한국원예학회)
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Extending the Vase Life of Cut Iris 'Blue Magic' Flowers by 1-Methylcyclopropene

1-Methylcyclopropene 처리에 의한 아이리스 '블루매직'의 절화수명 연장

  • Kim, Young-A (CNU Center for Biomedical Human Resources, Chungnam National University) ;
  • Lee, Jong-Suk (Department of Horticulture, Chungnam National University) ;
  • Park, Jong-Su (Department of Horticulture, Chungnam National University) ;
  • Lee, Poong-Ok (Department of Horticulture, Chungnam National University)
  • Received : 2010.04.18
  • Accepted : 2010.10.11
  • Published : 2010.12.31
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Abstract

This experiment was conducted to clarify the effects of 1-methylcyclopropene (1-MCP) on vase life of cut 'Blue Magic' iris. Pretreatment for 4 h with concentrations of 500 nL and 1000 nL 1-MCP, an inhibitor of ethylene action, inhibited the wilting and inrolling response of cut iris. The vase life of iris flowers of 500 nL or 1000 nL 1-MCP treatment was prolonged to 0.5 day compared to those held in distilled water (control). Vase life of iris showed no significant difference between $3{\mu}L{\cdot}L^{-1}$ ethylene exposure after 1-MCP treatment and control. 1-MCP treatment inhibited inrolling and increased fresh weight, water uptake, and water balance. The increase of fresh weight was high in 500 nL 1-MCP treatment and water uptake was increased by 1000 nL 1-MCP. Especially, iris flower without 1-MCP treatment dramatically decreased the water uptake as compared to the control for four or five days. Water balance of iris flowers held in water was changed to minus value faster than those with pretreatment of 1-MCP.

아이리스 'Blue Magic'의 절화수명에 미치는 1-MCP 처리의 효과를 알아보기 위하여 실험을 실시하였다. 에틸렌작용 억제제인 1-MCP 500nL와 1000nL 4시간 처리는 꽃잎위조와 꽃잎말림을 억제하였다. 1-MCP 500nL와 1000nL 처리된 아이리스의 절화수명은 무처리에 비해 0.5일 길었다. 1-MCP 처리 후 $3{\mu}L{\cdot}L^{-1}$ 에틸렌 처리도 무처리와 큰 차이를 보이지 않았다. 1-MCP 처리에서는 꽃잎말림이 억제되고, 생체중, 흡수량, 수분균형이 증가하였다. 생체중은 500nL 1-MCP 처리 시 가장 크게 증가하였고, 흡수량은 1000nL 1-MCP 처리에서 가장 많았다. 특히 무처리구의 아이리스는 4-5일째에 흡수량이 1-MCP 처리구에 비해 급격히 감소하였다. 수분균형은 무처리가 1-MCP 전처리보다 먼저 -값으로 떨어졌다.

Keywords

References

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