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Plant Production Management Lab
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A lab that uses the large fields of its affiliated farm to work toward new techniques and varieties for fruits, vegetables, and wheat and barley.
AboutAbout the lab
Thinking about people's future together with plants
The Plant Production Management Lab is run by faculty of the Experimental Farm of the Graduate School of Agriculture (Kizu Farm), who supervise students as a cooperating research group of the Division of Agronomy and Horticultural Science.
The faculty specialize in crop science, plant breeding, fruit tree horticulture, vegetable horticulture, and protected horticulture, so students can do research from a broad perspective regardless of crop.
Using the farm's fields, the lab develops new techniques and plants that enable abundant, high-quality harvests while addressing problems of food, environment, and energy.
Undergraduates join the Plant Production Science course in their third year and are assigned to this lab within the course in their fourth year (graduate school: Division of Agronomy and Horticultural Science, Graduate School of Agriculture).
Key terms
- Ethylene
- A plant hormone that promotes fruit ripening and softening. It acts as a gas.
- Transcriptome analysis
- A method for examining all the genes active in a cell at once.
- Genome editing
- A technology that cuts a targeted site in an organism's DNA to change how a gene works.
ResearchResearch themes
Under the theme 'thinking about people's future together with plants,' the lab aims, from the standpoint of agricultural production, to develop new techniques and new plants that make high-yield, high-quality production possible. Using the fields of the affiliated farm, it studies fruit trees, vegetables, wheat and barley, and other crops regardless of type.
*Illustrative imageRipening time and shelf life of peach
Peaches have poor shelf life. The lab has found rare late-ripening varieties with distinctive onset of ripening, shelf life, and ease of ethylene production, and uses them to look for candidate factors involved in ripening and senescence.
*Illustrative imagePollination and fruit development in blueberry
In highbush blueberry, the lab examines how the choice of pollen parent affects fruit size and quality, using artificial pollination trials and transcriptome analysis. The aim is to identify pollen parents that improve quality.
*Illustrative imageMaking seedless vegetables
From a seedless mutant of chili pepper, the lab identified the gene CKI1, which is responsible for seedlessness. It is introducing mutations into this gene by genome editing to develop seedless fruit vegetables, and is searching for genes that make seedless fruit larger.
*Illustrative imageInducing genetic recombination in wheat
In wheat and barley, recombination hardly occurs near the centromere, where genes important for breeding are located. Using wheat chromosome partial deletion lines, the lab explores how to induce recombination near the centromere and the mechanism behind it.
MembersFaculty
The members of the Plant Production Management Lab are faculty and PhD, master's, and undergraduate students.As of 2025
- ProfessorRyohei Nakano
- Associate ProfessorTakanori Yoshikawa
- Assistant ProfessorKyoka Nagasaka
- Assistant ProfessorTakahiro Maki
- Assistant ProfessorKazuki Murata
- Assistant ProfessorNagisa Okuda
- Project Assistant ProfessorTiantian Chen
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: “Orchard near Fields Farm - geograph.org.uk - 246169” Simon Carey / CC BY-SA 2.0 (cropped)
- Ripening time and shelf life of peach: “Autumn Red peaches” Jack Dykinga, USDA / Public domain (cropped)
- Pollination and fruit development in blueberry: “Dance Fly - Empis species on Highbush Blueberry, Leesylvania State Park, Woodbridge, Virginia” Judy Gallagher / CC BY 2.0 (cropped)
- Making seedless vegetables: “Bell pepper cut apart” Paul Goyette / CC BY-SA 2.0 (cropped)
- Inducing genetic recombination in wheat: “Wheat-8244” Hans / CC0 (cropped)
- Related lab
(作物学分野): “Red Rice Paddy field in Japan 005” Flickr user gtknj / CC BY 2.0 (cropped) - Related lab (植物生理学分野): “Marchantia polymorpha - Common Liverwort 02” Jasper Shide / CC0 (cropped)
- Related lab (果樹園芸学分野): “Persimmon tree with many fruits - 1” KKPCW（Kyu3） / CC BY-SA 4.0 (cropped)
- Related lab (栽培植物起原学分野): “Field of buckwheat in Brazil” Jose.brenner / CC BY-SA 3.0 (cropped)
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