News on The Potato Supply Chain from Japan

Potato cyst nematodes threaten crop yields. Kobe University scientist Mizutani Masaharu uncovered a three-way interaction between plants, soil microbes, and parasites.
June 04, 2025
Kobe University Uncovers Key Plant-Microbe-Parasite Link in Potato Cyst Nematode Control
Kobe University found that potatoes secrete a molecule (SEC) that microbes convert into compounds triggering potato parasite hatching. This three-way interaction could help develop 'suicide hatching' methods to control crop-damaging nematodes.
Calbee Group and Shiretoko Shari Agricultural Cooperative Collaborate to Develop a Stable Supply Source of Potatoes
February 18, 2025
Calbee Group and Shiretoko Shari Agricultural Cooperative Collaborate to Develop a Stable Supply Source of Potatoes in Japan
Calbee Group has partnered with the Shiretoko Shari Agricultural Cooperative to secure a stable supply of potatoes. As part of their collaboration, the agricultural cooperative plans to build a new frozen processing facility, aimed at enhancing production and ensuring consistent potato supply for Calbee's operations.
Japan sets safe residue level for 1,4SIGHT® in potatoes, paving the way for optimized storage practices worldwide.
April 05, 2024
Import Tolerance for 1,4SIGHT® Secured in Japan, Boosting Global Potato Trade
In a significant stride towards facilitating global potato trade, 1,4GROUP and DormFresh has announced the attainment of Import Tolerance for the sprout inhibitor 1,4-dimethylnaphthalene (1,4-DMN) in Japan.
Bags of Calbee chips at a supermarket in Tokyo in July 2021.
August 08, 2023
How Asia’s top potato chip maker Calbee dealt with a huge supply shortage
What happens when Asia’s biggest potato chip maker runs out of potatoes? Japanese snack brand Calbee had to learn the hard way.
Taste all of Japan by tasting all of its potatoes
May 29, 2023
Koikeya offers snackers the opportunity to compare chips made from potatoes grown in 3 Japanese regions
Drinks like sake and wine are often appreciated for their regional characteristics that are deeply rooted in the environmental conditions from the crop used. So, why not potato chips too?
Japan’s newest potato chip flavor: Convenience store fried chicken
November 17, 2022
Japan’s newest potato chip flavor: Convenience store fried chicken
There are all sorts of ways Japanese convenience stores earn the "convenient" part of their name. They’ve got branches all over, for example, so you’re hardly ever more than a short walk away from one.
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Japan Tariff Reductions For US Potatoes - Fries Now Enter Tariff Free
April 17, 2021
Japan Tariff Reductions For US Potatoes - Fries Now Enter Tariff Free
Last week Japan eliminated its remaining 2.1% tariff on US frozen fries (HS 2004.10) as a result of the tariff concessions secured under the US-Japan Trade Agreement.
Calbee potato chips
September 11, 2017
Nagasaki hopes to boost recognition as potato producer with new variety 'Nagasaki Kogane'
Potato growers in Nagasaki Prefecture, Japan's second-largest potato-producing region hope to boost their name recognition as a potato producer with a new variety, "Nagasaki Kogane" (Nagasaki Gold), which it filed for registration in 2015.
The figures above show Calbee's performance in Japan (including its affiliates). They do not include the activities of Calbee's overseas affiliates.
August 10, 2017
Japanese Potato Chips manufacturer Calbee is expanding potato production in rice fields
Japanese snack maker Calbee is increasing the amount of the crop it grows in rice fields. Paddy-field potatoes are mainly grown in Kyushu, Japan's southernmost main island, but Calbee also plans to start cultivating them in the northern regions of Hokkaido and Tohoku.
Potato prices in Tokyo supermarkets are down 10% compared to last year
July 10, 2017
Japan's potato supply is recovering as production returns to normal
Japan's potato supply is rebounding -- with wholesale and retail prices falling -- thanks to solid shipments from secondary producing regions starting in the spring.
Calbee Pizza Potato Chips, one of three brands of potato chips that will resume sales in Japan as of today.
June 19, 2017
Good News for Potato Chip Lovers in Japan
Calbee, Inc. the largest potato chip manufacturer in Japan, had some good news for Potato Chip Lovers in the country: it will resume sales of three brands of potato chips it suspended in April because of the potato shortage.
Potato Chips shortage in Japan is reported to result in empty shelves (Courtesy: Twitter / @rianaomiEG)
May 04, 2017
Japan's potato chip shortage reaching crisis point
Japan's potato chip shortage is rapidly developing into a crisis, with consumers rushing to stock up on what little is left in supermarkets and manufacturers struggling to find fresh supplies.
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Examples of Japan's largest two potato chip brands: Calbee potato chips (left) and Koikeya potato chips, banana flavour (right).
April 11, 2017
Japan: Worst Potato Harvest in 34 years hits Calbee and other Japanese snack manufacturers
Japan’s potato chip lovers, beware: Your favourite snacks may become harder to find. The country’s worst potato harvest in at least 34 years has prompted major snack makers to halt production of several types of snacks.
These pictures depict the floods in Hokkaido potato farms (left) and potato losses due to soil runoff and exposure as a result of typhoons striking Japan's largest fresh potato production region in August of 2016.
October 22, 2016
USDA: Summer Typhoons Reduce Japanese Potato Production
Japan's largest fresh potato production region - Hokkaido - was struck by four typhoons in August of 2016. Approximately 24,000 ha of land received damaging levels of rain and flooding, including areas producing fresh potatoes.
Japan Approves Overland Transportation Route for US Chipping Potatoes
April 08, 2015
Japan Approves Overland Transportation Route for US Chipping Potatoes
After several years of negotiations, Japan's Ministry of Agriculture, Forestry, and Fisheries (MAFF) has agreed to allow US chipping potatoes to be transported overland from an international port to an approved processing facility in Kagoshima.
McDonald's for news
December 15, 2014
McDonalds Japan to only sell small fries
McDonald's Japan is to only sell small portions of fries starting December 17, in response to the french fry shortage in the country.
Japanese Restaurants Are Airlifting 200 Tons Of French Fries To Ease A Shortage
December 10, 2014
Japanese Restaurants Are Airlifting 200 Tons Of French Fries To Ease A Shortage
Restaurants in Japan are rushing to secure supplies of french fries after shipment delays from the US, with one chain readying to airlift 200 tons of fries.
3D structure of Phytophthora protein provides clues on how the disease attacks potatoes
September 07, 2011
3D structure of Phytophthora protein provides clues on how the disease attacks potatoes
Phytophthora is Latin for “plant destroyer,” and Phytophthora infestans is the pathogen that causes potato late blight. This pathogen is responsible for widespread devastation of potato crops, and is especially known as the cause of the mass starvati...

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