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Floriculture and Landscape Plants Laboratory

Research

  1. 1) Development of protocols for the production of high quality native floricultural
    Our research group has determined the cultural requirements for production of flowering native plants for over 10 years. We are currently performing studies on Jeffersonia dubia, Peonia lactiflora, and Polygonatum odoratum, which have high ornamental potentials. In particular, we are investigating breaking and inducing dormancy of Jeffersonia dubia, which takes 4–5 years to get to the blooming stage in natural systems, to shorten the long vegetative growth period. We are also studying the effects of temperature and exogenous plant hormones on dormancy breaking and flowering of Peonia lactiflora and Polygonatum odoratum for year-round production.
  2. 2) Management of light and temperature to control vegetative growth and flowering of floriculture crops with improved energy efficiency
    Many commercial floricultural crops, including ornamental herbaceous plants and some orchids, are being cultivated for bedding plants, cut flowers, and potted flowering plants. With the recent increase in energy costs, we are investigating how to improve the production efficiency of floricultural crops using lighting strategies (day-extension, night interruption, and supplemental lighting) and temperature control. We have been determined how light and temperature control influence on growth and flowering of several herbaceous plants, such as Dianthus, Zinnia, Pelargonium, and Cyclamen, while saving energy. Our research continues with several orchid hybrid including Cymbidium and Phalaenopsis
  3. 3) Development of techniques for mass proliferation and high quality production of ornamental spring ephemerals native to Korea
    Many spring ephemeral native to Korea, including Adonis amurensis, Aquilegia buergeriana, Erythronium japonicum, Jeffersonia dubia, Leontice microrhyncha, Pulsatilla tonkangensis, Ranunculus crucilobus, and Trillium tschonoskii are important herbaceous perennials with ornamental potential as garden or landscape plants. We are investigating seed dormancy of these species. In particular, morphological (MD) or morphophysiological dormancy (MPD) with underdeveloped embryos are the main topic. We are also focusing on plant dormancy and flowering of Erythronium japonicum and Heloniopsis orientalis by chill and heat hour.
  4. 4) Development of eco-friendly turfgrass management technology using animal manure liquid fertilizer
    As the interest in environment-friendly turf management increases, there is a growing need to use low concentration liquid manure (LCLM) on turfgrass. Our research group is investigating the effects of LCLM as a liquid fertilizer as well as a suppressor of turfgrass diseases on turfgrass growth and maintenance. We are also developing research-based environment-friendly turf management strategies with LCLM.

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