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Growth Characterization and Cytogenetic Analysis of Three FA Interspecific Hybrid Lilies Bred from Korea

국내 육성 FA종간잡종 나리 3품종의 생육특성 및 세포유전학적 분석

  • Hwang, Yoon-Jung (Departmet of Chemistry & Life Science, Sahmyook University) ;
  • Yan, Wang (Department of Convergence Science, Sahmyook University) ;
  • Kim, Won Hee (Floriculture Research Division, National Institute of Horticultural & Herbal Science) ;
  • Lim, Ki-Byung (Deparment of Horticultural Science, Kyungpook National University) ;
  • Kang, Yun-Im (Floriculture Research Division, National Institute of Horticultural & Herbal Science)
  • 황윤정 (삼육대학교 화학생명과학과) ;
  • ;
  • 김원희 (국립원예특작과학원 화훼과) ;
  • 임기병 (경북대학교 원예과학과) ;
  • 강윤임 (국립원예특작과학원 화훼과)
  • Received : 2018.11.08
  • Accepted : 2018.12.19
  • Published : 2018.12.31

Abstract

The plant morphological and chromosome characteristics of 'Bonanza', 'Coral Candy' and 'Purple Crystal', a formolongi-Asiatic (FA) interspecific hybrid species bred at the National Institute of Horticultural Science, Rural Development Administration (RDA), were investigated in this study. The flowering time of these species were found to have some variation. 'Bonanza' flowers in the middle to late June (medium-late maturing cultivar), 'Coral Candy' in the mid of June (medium maturing cultivar), and 'Purple Crystal' was observed to be in early June (early maturing cultivar). The flowering direction of all three cultivars are upward facing flowers and having a weak fragrance. The height of the plants was recorded in the range between 101.0 cm ('Purple Crystal') to 142.3 cm ('Bonanza'), thus they are able to develop cut flowers with excellent stem elongation. Flower diameters of 'Bonanza' (17.1 cm) and 'Coral Candy' (16.9 cm) were classified to be large sized flowers. On the other hand, 'Purple Crystal' had a narrow flower diameter (12.3 cm) with an outer petal width of more than 4.0 cm. Leaf length was observed for 'Bonanza' (15.7 cm), 'Coral Candy' (19.7 cm), and 'Purple Crystal' (11.1 cm). Chromosome analysis was done using FISH technique. Results revealed that all three cultivars were observed as triploids (2n=3x=36). FISH analysis also showed 5S/45S rDNA of 'Bonanza', 'Coral Candy' and 'Purple Crystal' as 4/11 loci, 4/12 loci, and 4/11 loci, respectively. The results of the FISH analysis are useful as markers to distinguish cultivars, since the patterns of rDNA observed on the remaining chromosomes are significantly different except FISH patterns of chromosome #3.

Acknowledgement

Supported by : 농촌진흥청

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