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Plant Genetics and Breeding Lab
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The lab focuses on plant form to explore environmental stress tolerance in crops.

AboutAbout the lab
Focusing on plant form to improve productivity and stress tolerance
The Plant Genetics and Breeding Lab conducts research to improve crop productivity and environmental stress tolerance.
It focuses in particular on the various “forms” of plants.
For environmental stress tolerance, the lab looks at the internal “form” of plants and investigates how they respond and adapt to excess soil moisture and submergence stress.
For productivity, it studies the “form” of the rice panicle.
Key terms
- Waterlogging tolerance
- The ability of a crop to keep growing even when the soil is saturated with water and waterlogged
- Hypoxic stress
- The strain placed on a plant when its roots are deprived of oxygen because the soil is waterlogged
- Nicaraguan teosinte
- A close relative of maize. It grows wild in flood-prone areas of Nicaragua
NewsLab news
Assistant Professor Ayumi Agata's article “The Potential of Wild Rice Opened Up by Genome Editing” published in the Journal of the Society for Biotechnology, Japan
A master's student received the Young Researcher Excellent Presentation Award at the 63rd Conference on Radioisotopes and Radiation Research
ResearchResearch themes
As global climate change alters precipitation, there is concern that crops will suffer damage from submergence and excess soil moisture. To give crops waterlogging tolerance and submergence resistance, this lab believes it must first understand how plants respond to hypoxic stress, and it conducts research on this.
View More ↗MembersFaculty
The members of the Plant Genetics and Breeding Lab consist of faculty, technical assistants, and students in the working-adult doctoral program, the doctoral program, the master's program, and the undergraduate program.As of 2026
- ProfessorMikio Nakazono
- Associate ProfessorHirokazu Takahashi
- Assistant ProfessorAyumi Agata
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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: “Two farmers driving a tractor towing a raft loaded with green rice sheaves to be planted in a paddy field surrounded by mist in Vang Vieng Laos” Basile Morin / CC BY-SA 4.0 (cropped)
- Mechanisms of waterlogging tolerance in rice and upland crops: “Green rice sheaves planted in a paddy field with long shadows at golden hour in Don Det Laos” Basile Morin / CC BY-SA 4.0 (cropped)
- Related lab (Avian Bioscience Lab): “Egg incubator” Vyperx1 / Public domain (cropped)
- Related lab (Plant Physiology and Morphology Lab): “Coleus Leaf Trichomes (hairs on the leaves) via Electron Microscope” Swallowtail Garden Seeds from Santa Rosa, California / CC BY 2.0 (cropped)
- Related lab (Animal Genetics and Breeding Lab): “Herd out to pasture - geograph.org.uk - 847953” Maurice Pullin / CC BY-SA 2.0 (cropped)
- Related lab (Resource Entomology Lab): “Siarhei Besarab (Сергей Бесараб) virology session Belarusian State University 2008” Henadz Besarab / CC BY-SA 4.0 (cropped)
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