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Plant Pathology Lab
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The lab studies plant pathology to protect crops from pathogens living in the soil.
AboutAbout the lab
Understanding the pathogens hidden in the soil to prevent crop diseases
The Plant Pathology Lab studies crop diseases caused by fungi and bacteria.
It focuses in particular on soil-borne diseases, which are caused by pathogens living in the soil.
Using methods that include molecular biology, the lab clarifies the characteristics of pathogens and how they live in nature. It also searches for microorganisms that coexist with crop roots and bring out resistance to disease, and studies biological control.
The lab welcomes lab visits from second-year students, and those who are interested are asked to contact a faculty member.
Key terms
- Soil-borne disease
- A plant disease caused by pathogens such as fungi and bacteria that live in the soil. Pesticides are not very effective against it, which makes it difficult to prevent.
- Biological control
- A method of preventing diseases and pests by using living organisms such as microorganisms instead of pesticides.
- Green manure crop
- A plant grown between cash crops and plowed into the soil. It can reduce soil-borne diseases and support the growth of crops.
ResearchResearch themes
The lab aims to understand soil-borne diseases of upland crops in an integrated way, from pathogen taxonomy to physiology, ecology, and control. It also studies control methods that use microorganisms and green manure crops, as ways to prevent disease without relying on pesticides alone.
*Illustrative imageSoil-borne diseases of upland crops
The lab studies soil-borne diseases of upland crops caused by pathogens such as Fusarium, Rhizoctonia, and Streptomyces. Working with crops such as adzuki bean, soybean, potato, common bean, and strawberry, it covers a wide range of topics, from pathogen taxonomy to physiology, ecology, and control.
*Illustrative imagePreventing disease with microorganisms and green manure crops
Soil-borne diseases are difficult to prevent because pesticides are not very effective against them. The lab studies biological control, which uses microorganisms to prevent disease, and control using green manure crops that are grown in intercropping to reduce soil-borne diseases.
*Illustrative imageEcology and origins of pathogens
Based on the view that preventing disease requires knowing the pathogen well, the lab studies the ecology of pathogens. It also investigates the origins of pathogens using genetic-level methods.
*Illustrative imageReliably preventing potato late blight
For late blight of potato, an important upland crop in Hokkaido, the lab is examining methods that prevent the disease reliably and in the right amount, whether the likelihood of disease occurring (disease pressure) is high or low. To this end, it investigates the characteristics of the late blight pathogen present in Japan and how it behaves in various environments.
MembersFaculty
- Associate ProfessorSeishi Akino
- Assistant ProfessorHisashi Osawa
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: “Culture of soil fungus Thanatephorus cucumeris (anamorphic Rhizoctonia solani)” Tashkoskip / CC BY-SA 4.0 (cropped)
- Soil-borne diseases of upland crops: “Fusarium oxysporum E.F. Sm. & Swingle 4822044” Edward L. Barnard from United States Florida Department of Agriculture and Consumer Services / CC BY 3.0 us (cropped)
- Preventing disease with microorganisms and green manure crops: “Cover crop or green manure - geograph.org.uk - 4826386” Jonathan Billinger / CC BY-SA 2.0 (cropped)
- Ecology and origins of pathogens: “Rhizoctonia hyphae 160X” Ninjatacoshell / CC BY-SA 3.0 (cropped)
- Reliably preventing potato late blight: “Phytophthora infestans on potato leaf” Mary Ann Hansen, Virginia Polytechnic Institute and State University, United States / CC BY 3.0 us (cropped)
- Related lab (Plant Pathology Lab): “Leaf mosaic, green islands and shoestrings- Symptoms of papaya ringspot disease” Plant pests and diseases / CC0 (cropped)
- Related lab (Crop Physiology Lab): “Cypripedium marcanthum var. rebunense” ほくなん / Public domain (cropped)
- Related lab (Cell Engineering Lab): “Lilium lancifolium orange tepals with spots - Fukufukurou” Fukufukurou / CC BY-SA 4.0 (cropped)
- Related lab (Plant Genome Science Lab): “Glycine soja 5” Dalgial / CC BY-SA 3.0 (cropped)
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