FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
권호 표지

Effect of Silver Thiosulfate Pretreatment and Ethylene Exposure on Vase Life of Cut 'Blue Magic' Iris Flowers

Silver thiosulfate 전처리와 에틸렌 처리가 절화 아이리스 '블루매직'의 수명에 미치는 영향

  • Kim, Young A (CNU Center for Biomedical Human Resources, Chungnam National University) ;
  • Lee, Jong Suk (Department of Horticulture, College of Agriculture and Life Science, Chungnam National University)
  • 김영아 (충남대학교 의약바이오인재양성센터) ;
  • 이종석 (충남대학교 농업생명과학대학 원예학과)
  • Received : 2010.04.20
  • Accepted : 2010.08.10
  • Published : 2010.09.30
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Abstract

The Objective of this study was to investigate the effect of ethylene exposure and silver thiosulfate (STS) on flower senescence and vase life of cut iris (Iris hollandica). Cut iris flowers were pretreated in 1 mM STS solution for 30 minutes and exposed to 0, $3mL{\cdot}L^{-1}$ethylene for 24 hours. The vase life of iris treated at a bud stage was showed day 4.2 by exposure to $3mL{\cdot}L^{-1}$ ethylene and day 4.6 by exposure to $0mL{\cdot}L^{-1}$ ethylene. The pulsing of STS increased vase life of iris treated at a half-open stage. But, the vase life of iris was not affected by exposure to ethylene. Therefore, iris flowers were not sensitive to ethylene exposure. Iris flowers harvested at a bud stage do not progress to fully open flowers and then show flower senescnce, the optimum harvest stage seems to be a stage when flowers are open to some degree.

본 연구는 절화 아이리스의 노화와 절화수명에 미치는 에틸렌의 영향과 이러한 에틸렌의 작용을 억제할 수 있는 STS 전처리의 효과에 대하여 알아보고자 수행하였다. 아이리스는 1 mM STS 용액에 30분간 전처리한 후 0, $3mL{\cdot}L^{-1}$ 의 에틸렌에 24시간 노출시켰다. 봉오리 상태에서 절화 아이리스의 절화수명은 STS 전처리후 에틸렌에 노출된 것은 4.2일, 에틸렌에 노출되지 않았던 꽃은 4.6일 이었다. 반개화 상태에 수확한 아이리스의 절화수명은 STS 전처리에서 길었다. 그러나 에틸렌 노출에 의해서는 수명이 영향을 받지 않았다. 그러므로 절화 아이리스는 외생 에틸렌에 민감하지 않음을 알 수 있었다. 봉오리 상태에서 수확한 절화는 완전한 개화가 유도되지 않고 노화가 일어나는 경우가 많으므로 어느 정도 개화가 진전된 꽃을 수확하는 것이 필요한 것으로 판단되었다.

Keywords

References

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