[cpfohl]

You can buy the backcrosses, as far as I know...it's the modified ones from SUNY ESF that you can't buy yet.

[lettergram]

You can actually buy them for 2023 - https://support.acf.org/membership/new-seed-level

But they still have to pass the FDA, EPA, USDA - https://www.federalregister.gov/documents/2021/08/06/2021-16...