Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Characteristics of Flowering Habit, Pollination Patterns and Seed Setting of Hosta plantaginea Aschers

옥잠화(Hosta plantaginea Aschers.)의 개화습성, 수분양식 및 결실특성

  • Cho Kyoo Won (Biotech Research Institute, Dongbu Advanced Research Institute) ;
  • Tae Kyoung-Hwan (Biotech Research Institute, Dongbu Advanced Research Institute) ;
  • Sung Soon-Kee (Biotech Research Institute, Dongbu Advanced Research Institute)
  • 조규원 (동부기술원 생명공학연구소) ;
  • 태경환 (동부기술원 생명공학연구소) ;
  • 성순기 (동부기술원 생명공학연구소)
  • Published : 2005.06.01
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Abstract

This study was carried out to obtain the basic informations on the flowering habit, pollination patterns and seed setting in Hosta plantaginea Aschers. Flowers came out in the night with white color. Almost fertilization seemed to be out by wind in early and full flowering. But bearing pods by insects and fertilization rate by wind were increased by interval of flowering and particular scent slowly decreased in after flowering. Bearing pods and seeds setting rate were $65.0\%,\;40.9\%$ per peduncle after artificial pollination, and also $33.3\%,\;24.3\%$ in natural pollination, respectively. The flowering times was all around seven to eight o'clock at night and optimum temperature for pollination was $25{\sim}28^{\circ}C$.

본 연구는 원예 및 조경용 식물로 최근 들어 관심을 받고 있는 옥잠화에 대한 개화습성, 수분 양식 및 결실특성에 대한 기초정보를 얻고자 수행되었다. 옥잠화는 주로 야간에 백색꽃이 개화하는 식물로 개화초기와 개화성기에는 대부분 풍매에 의해 수정되었고, 개화후기로 갈수록 착화 간격이 줄어들고 옥잠화 특유의 향기가 감소하여 풍매에 의한 착협율과 충매에 의한 수정율이 증가하는 것으로 조사되었다. 착협율과 결실율은 방임구 각각에서 $33.3\%$와 $24.3\%$로 나타났으며, 이에 비해 인공교배는 각각 $65.0\%$와 $40.9\%$로 나타나 인공교배가 착협율과 결실율에서 높게 나타났다. 개화기간에 있어서 하루 중 수정율은 개화성기인 $19\;:\;00{\sim}20\;:\;00$시에서 높았으며, 이때의 최적온도는 $25{\sim}28^{\circ}C$ 이었다.

Keywords

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