옥잠화(Hosta plantaginea Aschers.)의 개화습성, 수분양식 및 결실특성
Characteristics of Flowering Habit, Pollination Patterns and Seed Setting of Hosta plantaginea Aschers.
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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 plantagineaAschers. Flowers came out in thenight with white color. Almost fertilization seemed to be out by wind in early and fullflowering. But bearing pods by insects and fertilization rate by wind were increased byinterval of flowering and particular scent slowly decreased in after flowering. Bearing podsand seeds setting rate were 65.0%, 40.9% per peduncle after artificial pollination, and also33.3%, 24.3% in natural pollination, respectively. The flowering times was all around sevento eight o'clock at night and optimum temperature for pollination was 25∼28℃.