Eradication of potato spindle tuber viroid detected in Japan

 

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Publication Date

Tue, 12 Aug 2025, 06:55

Last Updated

Aug. 12, 2025, 6:55 a.m.

Report Number

JPN-13/2

Country

Japan

Pest Id

PSTVd - (PSTVD0)

Report Status

Final

Hosts

Solanum lycopersicum, Dahlia spp.

Pest Status (ISPM 8 - 2021)

• Absent: pest eradicated

Geographical Distribution

Hokkaido, Akita, Yamagata, Fukushima, Chiba, Nagano, Yamanashi, Niigata, Aichi, Wakayama, Hyogo, Kagawa, Kochi, Fukuoka and Kagoshima Prefecture in Japan

Summary

Potato spindle tuber viroid（Pospiviroid fusituberis, PSTVd）was detected in tomato in Fukushima prefecture in 2008, in dahlia in Yamanashi prefecture the following year. Nationwide survey was conducted and revealed the occurrence in 15 prefectures. Thorough measures have been implemented to prevent the spread and to eradicate, and PSTVd has not been detected since 2021. As a result of consultation with experts, Ministry of Agriculture, Forestry and Fisheries of Japan (MAFF) confirmed that PSTVd has been successfully eradicated in 2024.

Danger

PSTVd is considered as a significant and damaging pest of Tomato　and Potato, and designated to a quarantine pest for Japan and subject to detection survey.

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