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The claim

自分の畑で採れた種を蒔くと最大懲役10年の刑罰を課される

Rating

不正確

Reviewed by 日本ファクトチェックセンター ↗ ·

Original fact check ↗

Original review summary

The review says the rule does not apply to all seeds: it concerns unauthorized propagation of registered varieties, with exceptions such as purchasing seed each year. It also says general varieties remain available for unrestricted self-propagation. The amendment’s self-propagation changes took effect in April 2022.[S1]

Research date:

Sources and attribution

  1. [S1] 日本ファクトチェックセンター original review

    Original review · Retrieved October 16, 2026