FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
권호 표지

Rhizome Growth and Flowering of White Lotus (Nelumbo nucifera) at Muan Hoesan-Lake

무안 회산지(回山池) 백련꽃의 근경생장과 개화특성

  • Im, Myung Hee (Institute of Regional Crop Research, Mokpo National University) ;
  • Park, Yong Seo (Dept. of Horticultural Science, Mokpo National University) ;
  • Hou, Won Noung (Dept. of Horticultural Science, Mokpo National University) ;
  • Park, Yun Jum (Division of Horticulture and Pet Animal-Plant Science, Wonkwang Univ.) ;
  • Heo, Buk Gu (Naju Foundation of Natural Dyeing Culture)
  • 임명희 (목포대학교 지역특화작목산업화센터) ;
  • 박용서 (목포대학교 원예과학과) ;
  • 허원녕 (목포대학교 원예과학과) ;
  • 박윤점 (원광대학교 원예애완동식물학부) ;
  • 허북구 ((재)나주시천연염색문화재단)
  • Received : 2008.11.25
  • Accepted : 2009.02.18
  • Published : 2009.03.31

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Abstract

This study was conducted to examine characteristics of rhizome growth and flowering of white lotus (Nelumbo nucifera) plant in Muan Hoesan-lake for collecting the basic data on the cultivation and the flowering which is growing in Muan Hoesan-lake of Jeonnam province in Korea. We have planted from the seeds and the enlarged rhizomes of the white lotus which were planted in the plastic containers on April 20 and May 4, 2008, and cultivated under rain shelter condition. Rhizome growth pattern and the flowering characteristics of the white lotus were examined on September 4, 2008. Main rhizomes of the white lotus propagated by the seeds and the enlarged rhizomes were branched by 10% and 15%, respectively. Numbers of nodes in the bloomed and non-bloomed rhizomes of the white lotus were over 14 and below 11, respectively. Flower was not observed in the white lotus when propagated with seeds, however, flowers came out up to 80% by the enlarged rhizomes. First flowers were bloomed from the late July and to the early August, and the number of flowers were 4.0~4.4. The first flower stalks without branching of the main rhizome were emerged in 8.8th node, however, that with branching were 8.0th node. Time to flowering from the emergence of flower stalk on the above-ground parts were required 16 days. White flowers from the lotus were 15.3 cm in height and 28.2 cm in width, their longevity was 3.3 days and the averaged flower fresh weight was 29.2 g. The results conclude that optimum number of nodes on the main rhizomes for blooming the white lotus flowers should be over 8 nodes before the rhizome enlargement.

무안 회산지 백련꽃의 재배와 개화 조절에 필요한 자료를 얻기 위하여 2008년 4월 20일과 5월 4일에 각각 비대근경과 종자를 용기에 식재하여 비가림 재배 관리한 후 동년 9월 4일에 근경생장 유형과 개화 특성을 조사하였다. 주근경이 분지된 것은 실생의 경우 10%, 비대근경은 15%였다. 주근경의 마디 수는 개화된 것은 14개 이상이었으며, 개화가 되지 않은 것은 11마디 이하였다. 실생 번식한 것은 모두 개화되지 않았으며, 비대근경을 식재한 것은 80%가 개화되었다. 첫 번째 꽃은 7월 말과 8월 초에 피었으며, 4.0~4.4개의 꽃이 피었다. 첫 번째 꽃대는 주근경이 분지되지 않은 것의 경우 8.8번째 마디에서, 주근경이 분지된 것은 8.0번째 마디에서 출현되었다. 화경이 지상부에 출현된 후 개화까지는 16일이 소요되었다. 백색의 꽃은 높이 15.3 cm, 폭 28.2 cm 크기로 수명은 3.3일이었으며, 생체중은 29.2 g이었다. 이상의 결과로부터 무안 백련꽃의 개화를 시키기 위해서는 근경의 비대가 시작되기 이전에 주 근경의 마디를 8마디 이상 생장시켜야 함을 알 수 있었다.

Keywords

Acknowledgement

Supported by : 농림식품부

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