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Horticultural Science Lab
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The lab studies how fruit trees and vegetables respond to cold and excess moisture, and applies the findings to production.

AboutAbout the lab
Considering crops that connect to human health and a rich diet
The Horticultural Science Lab studies how fruit trees and vegetables respond to environmental conditions such as cold, and how their quality is formed.
The lab views horticultural science not only as crop production technology, but also as a field that supports human health and quality of life.
It focuses on adaptation to temperature and excess-moisture stress, how sugars and functional components are produced, and indicators of the state inside the plant.
The lab aims to connect the results of basic research to cultivation techniques and the selection of cultivars, and to put them to use in production settings.
Key terms
- Functional components
- Components contained in food that have health-related effects, such as helping to keep the body in good condition.
- Aquaponics
- A production system that combines fish farming with hydroponic plant cultivation, using fish waste as nutrients for the plants.
- Tissue culture
- A technique for growing plant cells or pieces of tissue by giving them nutrients in a sterile container.
ResearchResearch themes
The lab conducts basic research on fruit trees and vegetables to clarify their responses to the environment, especially cold, as well as how quality is formed and the physiological mechanisms involved. By comparing data from different regions and cultivation conditions, it also works to produce knowledge that is useful in the field.
*Illustrative imageOverwintering in cold regions
The lab investigates how horticultural crops respond to the cool climate and severe winter cold of Hokkaido. It focuses in particular on perennial horticultural crops that overwinter in Hokkaido, such as wine grapes, and conducts cultivation trials in fields and pots.
*Illustrative imageHorticultural crops that tolerate excess moisture
The lab is interested in how waterlogging injury occurs in crops in wet environments, which have become more common over the past few decades. It studies horticultural crops that tolerate temporary excess moisture, using physiological and morphological methods.
*Illustrative imageFood production with a low environmental burden
The lab also works on food production systems with a low environmental burden, such as natural farming and aquaponics.
*Illustrative imageLong-term preservation of genetic resources
The lab studies more efficient ways to preserve the genetic resources of horticultural crops. It works on techniques for long-term preservation, such as freezing tissue-cultured cells at ultra-low temperatures or drying them.
MembersFaculty
- ProfessorYutaka Jitsuyama
VoicesStudent voices
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Write a lab reviewAnonymous · Your draft is saved if you stopRelatedLabs similar to Horticultural Science Lab
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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: “Furano Vineyard” MaedaAkihiko / CC0 (cropped)
- Overwintering in cold regions: “Arrowhead Spring Vineyard in winter, Cambria, New York - 20230227” Andre Carrotflower / CC BY-SA 4.0 (cropped)
- Horticultural crops that tolerate excess moisture: “Large field of broccoli, Quadring Eaudike, Lincs - geograph.org.uk - 84477” Rodney Burton / CC BY-SA 2.0 (cropped)
- Food production with a low environmental burden: “BGSU Aquaponics” Mbrickn / CC BY 4.0 (cropped)
- Long-term preservation of genetic resources: “Culture in vitro” The original uploader was Seb951 at English Wikipedia. / CC BY-SA 3.0 (cropped)
- Related lab
(作物学研究室): “Wheat fields in Rokugo, Furano” 掬茶 / CC BY-SA 4.0 (cropped) - Related lab
(作物生理学研究室): “Cypripedium marcanthum var. rebunense” ほくなん / Public domain (cropped) - Related lab (植物病理学研究室): “Culture of soil fungus Thanatephorus cucumeris (anamorphic Rhizoctonia solani)” Tashkoskip / CC BY-SA 4.0 (cropped)
- Related lab (花卉・緑地計画学研究室): “Kushiro river01” 欅 (Keyaki) / CC BY-SA 3.0 (cropped)
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