• Title/Summary/Keyword: ray floret

Search Result 31, Processing Time 0.015 seconds

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;Chin, Young Don;Chung, Yong Mo;Kim, Su Kyeong;Ro, Chi Woong
    • FLOWER RESEARCH JOURNAL
    • /
    • v.19 no.4
    • /
    • pp.259-263
    • /
    • 2011
  • 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.