The claim
自分の土地で採れた種をまいたら懲役10年
Original review summary
The review explains that permission is generally required to self-propagate registered plant varieties, but not all varieties are registered or subject to that requirement. It also says sugarcane growers in Okinawa and Kagoshima can self-propagate without individual permission.[S1]
Research date:
Sources and attribution
- [S1] 日本ファクトチェックセンター original review
Original review · Retrieved October 16, 2026