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Floriculture Lab (Kashiwanoha)
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A floriculture research group that evaluates and applies the functions of flowers, medicinal plants, and plants used for greening.
AboutAbout the lab
Centered on the theme of "the relationship between plants and people."
The Floriculture Research Group is based at Kashiwanoha Campus and studies how to evaluate and use the many functions of plants.
The group consists of the labs of Professor Hitoshi Watanabe and Associate Professor Takanori Kuronuma, and its research covers floricultural crops, medicinal plants, and greening and the environment.
The group not only publishes its research results but also puts them into practice in society, and it runs its own educational program that uses these activities as a "field for education."
Since April 2025, the lab has taken over the operation of Japan Flower Selection, a contest for new flower varieties.
Key terms
- Floricultural crops
- Herbaceous plants and flowering trees grown for ornamental purposes, such as cut flowers, potted flowers, and bedding plants
- Tipburn
- A physiological disorder in which leaf tips are damaged and appear dead because of calcium deficiency. It occurs in many crops, including lettuce
- Life cycle assessment
- A method for estimating the total environmental impact of a product, from its production to the end of its use
NewsLab news
Paper showing the decarbonization effect of using plant waste as horticultural materials published in Journal of Environmental Management
Lab takes over the operation of Japan Flower Selection, a contest for new flower varieties
Paper on tipburn in lisianthus published in Scientia Horticulturae
ResearchResearch themes
The group's research is not limited to floricultural crops. Under the theme of "the relationship between plants and people," it evaluates and uses the many functions of plants. Research topics are pursued in three areas: floricultural crops, medicinal plants, and greening and the environment.
*Illustrative imageTipburn in Lisianthus
Tipburn, a calcium deficiency disorder of leaf tips, is a problem in lisianthus (Eustoma), a major cut flower crop. The lab aims to clarify the mechanism of tipburn at the gene level, with the goal of a fundamental solution in breeding and production.
*Illustrative imageSeedling Production of Panax ginseng
Panax ginseng, a medicinal plant known as Korean ginseng, takes many years to reach harvest. The lab has already developed techniques for earlier germination and faster seedling growth, and aims to further improve seedling quality.
*Illustrative imageCarbon Sequestration in Greening and Plant Production
The lab measures how much carbon rooftop greening and turf sequester, and also estimates environmental impact using life cycle assessment, to investigate whether green spaces and plant production act as sinks for greenhouse gases.
MembersFaculty
The members of the Floriculture Research Group include faculty, undergraduate students, advisors, assistants for administrative, technical, and labor work, and technical staff.As of 2025
- ProfessorHitoshi Watanabe
- Associate ProfessorTakanori Kuronuma
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Petunia x hybrida” kallerna / CC BY-SA 3.0 (cropped)
- Tipburn in Lisianthus: “Flower Bouquet-2” David Condrey / CC0 (cropped)
- Seedling Production of Panax ginseng: “Ginsengpflanze” FloraFarm GmbH / Katharina Lohrie / CC BY 3.0 (cropped)
- Carbon Sequestration in Greening and Plant Production: “EVA- Lanxmeer Green roof 2009” Lamiot / CC BY-SA 4.0 (cropped)
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（野田研究室） ): “Yoorala Street Community Garden, plots 2” Aliceinthealice / CC BY 4.0 (cropped) - Related lab (自然セラピー学研究室): “Forest trail in the Karura Forest, Nairobi” Brihaspati / CC BY 4.0 (cropped)
- Related lab (農業
デザイン研究室 （三輪正幸研究室） ): “Apis mellifera - Melilotus albus - Keila” Ivar Leidus / CC BY-SA 4.0 (cropped) - Related lab (蔬菜園芸学研究グループ（柏の
葉） ): “Greenhouse filled with tomato plants and a bucket on the path” Shixart1985 / CC BY 2.0 (cropped)
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