FLOWER RESEARCH JOURNAL (화훼연구)

The Korean Society for Floricultural Science (한국화훼학회)
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A New Spray Chrysanthemum Cultivar, 'Dimple' with Single Type and Bright Yellow Color Petals for Cut Flower.

밝은 황색 절화용 홑꽃 화형의 스프레이국화 '딤플' 육성

  • Hwang, Ju Chean (Flower Research Institute, Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Chin, Young Don (Flower Research Institute, Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Chung, Yong Mo (Flower Research Institute, Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Kim, Su Kyeong (Flower Research Institute, Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Ro, Chi Woong (Research and Development Bureau, Gyeongsangnam -do Agricultural Research ＆ Extension Services)
  • 황주천 (경남농업기술원 화훼연구소) ;
  • 진영돈 (경남농업기술원 화훼연구소) ;
  • 정용모 (경남농업기술원 화훼연구소) ;
  • 김수경 (경남농업기술원 화훼연구소) ;
  • 노치웅 (경남농업기술원 연구개발국)
  • Received : 2011.10.07
  • Accepted : 2011.11.28
  • Published : 2011.12.30
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Abstract

A new spray chrysanthemum (Dendranthema grandiflorum) cultivar, 'Dimple' was developed from a cross between 'champy' and 'SP05-135', by selection of seedlings and lines at the Flower Research Institute, Gyeongnam Agricultural Research and Extension Services (ARES) from 2005 to 2009. Its characteristics were investigated three times from 2007 to 2009 under condition of forcing culture in spring and retarding culture in autumn. The natural flowering time of 'Dimple' was October 24th, and year-round production was possible by day-length control. This cultivar has single type flowers with bright yellow ray floret and green center. The plant is very vigorous and very stable in the color of petals when it is cultivated even under high temperature condition in summer. Its flower was 4.7 cm in diameter, and it had 20.3 flowers per stem in autumn. The days to flowering under the short day treatment is about 50 in spring season, and 'Dimple' showed the vase life of 21.3 days in autumn. This cultivar was registered for the protection in 2009.

'Dimple' 품종은 경남농업기술원 화훼연구소에서 황색 홑꽃인 'Champy'를 모본, 황색 홑꽃의 'SP05-135'를 부본으로 인공교배를 실시하여 2005에서 2009년에 걸쳐서 계통선발을 통해 육성하였다. 품종의 특성검정은 2007년부터 2009년까지 촉성재배와 억제재배, 자연재배 조건 아래서 3회에 걸쳐 조사하였다. 'Dimple' 품종의 자연개화기는 10월 30일경이며, 일장조절에 의해 주년재배가 가능하다. 초장은 105.1 cm 정도이며, 생장유형은 단일줄기형이다. 꽃 크기가 4.7 cm, 설상화 길이 2.7 cm, 설상화 너비 0.8 cm인 스프레이국화로 착화수는 20.3개이다. 화색은 선명한 황색이며, 화서형태는 산방화서이다. 봄의 단일상태에서 'Dimple' 품종의 개화소요일수는 50일 정도인 7주 품종이며, 가을 절화수명 검정에서 21.3일로 긴 편이다.

Keywords

Acknowledgement

Supported by : 농촌진흥청

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