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Plant Breeding Lab
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A lab that develops new varieties from the genetic resources of melon and amaranth.
AboutAbout the lab
Breeding science: the study of making things
The Plant Breeding Lab studies theories and techniques for crop improvement and the development of breeding materials, focusing on melon, cucumber, squash, and amaranth.
Centered on fieldwork such as cultivation in the field, observation, and trait evaluation, the lab also conducts molecular biology experiments and computational analysis of genome data.
The lab aims to return its research results to society quickly as practical breeding techniques and breeding materials.
The lab is recruiting undergraduate and graduate students, and lab tours are accepted at any time.
Key terms
- Genetic resources
- The various strains and varieties of crops and their close relatives that serve as material for plant breeding
- DNA marker
- DNA that serves as a landmark for a gene involved in a target trait. It makes it possible to select promising plants before they are grown
- Parthenocarpy
- The ability of fruit to grow large without pollination
ResearchResearch themes
The lab aims to establish new breeding techniques for developing new varieties in a short time by integrating and analyzing diverse information such as phenotypes, genomes, and the environment. Targeting minor cereals and vegetables, it works on securing genetic resources and advancing breeding technologies.
*Illustrative imageFinding useful genetic resources and developing varieties
The lab evaluates genetic resources such as cucumber and squash originating in Asia and searches for those with useful traits. It also develops varieties jointly with public research institutions and seed companies.
*Illustrative imageInvestigating the diversity of genetic resources
The lab analyzes the genetic diversity between and within species of vegetable amaranth, as well as the diversity of genetic resources in the genus Cucurbita, to support their use and conservation.
*Illustrative imageHow melon became diverse
From the perspective of the adaptation and evolution of cultivated plants, the lab works to elucidate the mechanisms by which melon fruit traits and sex expression have diversified.
*Illustrative imageGenetic analysis of key traits and selection technology
The lab identifies the genes for parthenocarpy and sex expression in melon, and develops techniques that use DNA markers to select for yield and quality in amaranth and for disease resistance in cucumber.
MembersFaculty
The members of the Plant Breeding Lab consist of faculty, technical assistants, and doctoral, master's, and undergraduate students.
- Associate ProfessorYosuke Yoshioka
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: “Cucumis melo - Диня - Український сорт Забавка” Zenon Sych / CC BY-SA 4.0 (cropped)
- Finding useful genetic resources and developing varieties: “Cucurbita moschata Butternut 2012 G2” George Chernilevsky / Public domain (cropped)
- Investigating the diversity of genetic resources: “Amaranthus tricolor kz01” Krzysztof Ziarnek, Kenraiz / CC BY-SA 4.0 (cropped)
- How melon became diverse: “Snap melon - ("phoot") ( )” Ton Rulkens from Mozambique / CC BY-SA 2.0 (cropped)
- Genetic analysis of key traits and selection technology: “Cucumber flower” Suhayl091 / CC BY-SA 4.0 (cropped)
- Related lab (Crop Science Lab): “Tomato cultivation in France (2)” Mouh2jijel / CC BY-SA 3.0 (cropped)
- Related lab (Vegetable and Floriculture Lab): “Plant tissue culture of Violces” 22Kartika / CC BY-SA 3.0 (cropped)
- Related lab (Animal Resource Production Lab): “Desa Cattle Dairy Farm, Kundasang 28 December 2023 06” Pangalau / CC BY-SA 4.0 (cropped)
- Related lab (Metabolic Network Science Lab): “Metabolomic analyses ( )” Oak Ridge National Laboratory / CC BY 2.0 (cropped)
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