Longo Mai and The European Civic Forum produced the Seed films including 30 crop guides and other videos on seed saving. You can watch them here.



Seed Savers Exchange have two very useful and short videos on Population Size and Isolation. They have other good videos on their Youtube channel.





The Organic Seed Alliance have a set of in-depth webinars going through most aspects of seed production.





Introduction to Seed Saving
Seed Saving Resources
Crop Specific Guides
OSA Online Seed Training Programme