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Tropical Crop Science and Environment Lab
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The lab studies tropical crops, environments, and insects through fieldwork.
AboutAbout the lab
Exploring agriculture and ecology from the tropical field.
The Tropical Crop Science and Environment Lab conducts a wide range of research set in tropical regions, covering crops, the water environment, insects, and the management of natural resources.
For tropical crops such as yam and rice, the lab studies traits that raise productivity, aiming to lead to the development of cultivation techniques.
For ants, the lab studies species diversity in tropical Asia based on specimens collected in the field.
The Institute of Tropical Agriculture, to which the lab belongs, provides graduate students with research and education that make use of fieldwork sites in Asia.
Key terms
- tuber
- The part of a plant's underground stem that stores nutrients and swells
- vegetative propagation
- A way of producing new individuals from a part of a plant's body, such as a stem or root, rather than from seeds
- DNA barcoding
- A method of identifying species by examining a specific short gene sequence of an organism
ResearchResearch themes
The Tropical Crop Science and Environment Lab works on a wide range of themes, including traits that raise crop productivity in tropical and subtropical regions, the water environment, insects, and the management of natural resources. The Institute of Tropical Agriculture, to which the lab belongs, provides graduate students with research and education that make use of fieldwork sites in Asia.
*Illustrative imageHow yam tubers form
The lab studies how tubers form and thicken in tropical yam, aiming to apply the findings to cultivation. It focuses on the enlargement of new tubers and the formation of bulbils, both involved in vegetative propagation, as well as on responses to day length and stress.
*Illustrative imageWater and nitrogen use efficiency in rice
The lab studies traits that allow rice in tropical Asia to use resources such as water and nitrogen efficiently. It explores ways to improve use efficiency through photosynthesis, leaf hairs, root development, and the characteristics of wild rice species.
*Illustrative imageAnt diversity in tropical Asia
The lab collects ant specimens through field surveys in tropical Asia and studies species diversity through morphological observation and molecular biology experiments. It also uses methods such as DNA barcoding to clarify how disturbances such as deforestation and flooding affect ant communities.
MembersFaculty
- Associate ProfessorNorimitsu Hamaoka
- Assistant ProfessorShingo Hosoishi
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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: “Portrait of an ant, profile view” Retro Lenses / CC BY 4.0 (cropped)
- How yam tubers form: “YAM TUBER” Bambi Cia / CC BY-SA 4.0 (cropped)
- Water and nitrogen use efficiency in rice: “Paddy fields in Dinajpur District 01” Kritzolina / CC BY-SA 4.0 (cropped)
- Ant diversity in tropical Asia: “Dorylus sp s ants Colony(1) 31” Nikhil More / CC BY-SA 4.0 (cropped)
- Related lab (昆虫食科学): “Cricket Shelter Modular Edible Insect Farm IMG” Mary Mark Ockerbloom / CC BY-SA 4.0 (cropped)
- Related lab (生物保護管理学): “APHIS-Moore Air Base in Texas-Plant Protection and Quarantine Science and Technology Insect Management and Molecular Diagnostics Laboratory (20230621-CDP-APHIS-0277)” USDAgov / Public domain (cropped)
- Related lab (衛生昆虫学): “Adult deer tick(cropped)” Photo by Scott Bauer. (USDA ARS) / Public domain (cropped)
- Related lab (天敵微生物学): “Beetle Beauveria cf 2026 Südpfalz” InsektenDoku / CC BY-SA 4.0 (cropped)
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