Journal of the Korean Institute of Traditional Landscape Architecture (한국전통조경학회지)

Korean Institute of Traditional Landscape Architecture (한국전통조경학회)
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Selection of Cultivars with Vigorous Growth Habit for Street Tree, Dwarf Tree Form for Pot Plants, and Spreading Branches for Groundcovers in the Recently Developed Cultivars of Rose of Sharon (Hibiscus spp.) for Landscape Uses

나라꽃 무궁화 품종중 가로수용, 분화용 및 지피용으로 조경적 활용도가 높은 품종 선정

  • Kang, Ho-Chul (Dept. of Landscape Architecture, Gyeongnam National University of Science and Technology) ;
  • Kim, Dong-Yeob (Dept. of Landscape Architecture, Sung Kyun Kwan University) ;
  • Ha, Yoo-Mi (Dept. of Landscape Architecture, Sung Kyun Kwan University)
  • 강호철 (경남과학기술대학교 조경학과) ;
  • 김동엽 (성균관대학교 조경학과) ;
  • 하유미 (성균관대학교 조경학과)
  • Received : 2016.04.15
  • Accepted : 2016.06.17
  • Published : 2016.06.30
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Abstract

This study was carried out to characterize 127 recently developed cultivars of Rose of Sharon (Hibiscus spp.) in Korea and foreign Countries for landscape uses. The examined factors were growth characteristics such as tree height of a 1-year grafted plant(cm), plant type, growth habit, leaf characteristics such as shape and size, flower characteristics such as color, shape, size, and red eye during 2014 and 2015 for landscape uses. The results are obtained as follows; Hibiscus hybrid 'Daewangchun', 'Daeil', 'Lohengrin', 'Yeonam', 'Joomong', 'Jina', and H. syriacus 'Honggarosu' had vigorous shoot growth and tall tree size of 100cm. New Hibiscus cultivars, Hibiscus hybrid 'Daewangchun' and 'Daeil', having vigorous growth, uniform plant habit, upright, and compact branches were developed through interspecific crosses between H. syriacus 'Samchully' (♀) and H. sinosyriacus 'Seobong' (♂). This newly developed cultivar 'Daewangchun', 'Daeil', 'Lohengrin', 'Yeonam', 'Joomong', 'Jina', and H. syriacus 'Honggarosu' having tall vigorous growth d unique flower with long red eye can be used as street tree or specimen plant in landscape. Otherwise, H. syriacus 'Tamla', 'Melrose', 'Bidan', 'Hi Lea', 'Byeollee', 'Byunghwa', 'Mibak', 'Hanyang', 'Chungam', 'Lil Kim Violet', 'Jongmoo', 'Eunhasu', Hibiscus hybrid 'Saehanseo', and Hibiscus hybrid 'Yousoon' were selected as small tree of 30~39cm. They had dwarf form in tree seemed to be suitable for pot or flower bed planting on both indoor and outdoor conditions. H. syriacus 'Antong', 'Chungjo', and 'Lil Kim' were less than 30 cm of tree size. H. syriacus 'Antong', 'Chungjo', and 'Lil Kim', characterized by its compact, upright and outwardly spreading plant habit; freely branching habit; dark green-colored leaves; good garden performance. Therefore, the new cultivars with tall and small tree size were a promising cultivar as a ground covers or pot planting as woody landscape plant.

본 연구는 조경수용 무궁화 우수품종 보급을 위한 유전자원 수집과 특성을 평가하기 위해 최근 국내외에서 육성된 127품종의 1년생 접목묘를 이용하여 2014년부터 2015년까지 2년 동안 생육 및 형태적 특성조사를 실시하였다. 수집된 품종 중 키가 큰 가로수 및 독립수용 품종, 왜성형 분화 및 지피용 품종 등을 선정하여 무궁화를 조경수로 활용도를 높이는데 기여하고자 하였으며 얻어진 결과는 다음과 같다. 최근 국내외에서 육성된 나라꽃 무궁화 품종들의 생육특성을 조사하기 위해 먼저 접목 1년생 수고를 조사한 결과 20~120cm까지 다양하게 나타났다. 무궁화 '주몽'과 '홍가로수', 종간교잡종 Hibiscus hybrid 'Daewangchun', 'Daeil', 'Lohengrin', 'Jina', 'Yeonam' 등이 키가 100cm 이상으로 가장 큰 품종으로 조사되었다. 최근 국내외에서 육성된 무궁화 127품종 중 조경적 활용가치가 높은 교목성 가로수로 이용할 수 있는 품종은 무궁화 '주몽'과 '홍가로수', 종간교잡종 Hibiscus hybrid 'Daewangchun', Hibiscus hybrid 'Daeil', Hibiscus hybrid 'Lohengrin', Hibiscus hybrid 'Jina', Hibiscus hybrid 'Yeonam' 등이 있었다. 분화 및 분재용으로 이용할 수 있는 왜성형 품종으로는 'Red Heart', '백령도', 종간교잡종 '진선', '꼬마', '여천', '야음' 등이 있었으며, 키가 30cm 미만의 아주 작은 품종으로는 '안동', '청조', 'Lil Kim' 등이 포함되었다. 수고가 작은 왜성형으로 가지의 생장이 아래로 향하는 '탐라', 'Melrose', '비단', '하이리', '별이', '병화', '미백', '한양', '청암', 'Lil Kim Violet', '종무', '은하수', 종간교잡종 Hibiscus hybrid 'Saehanseo'와 Hibiscus hybrid 'Yousoon'은 화단 및 지피용 소재로 이용가치가 높았다.

Keywords

References

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