- No tasting is required; follow the historical route and grafted-vine cutaway.
Optional Nerd Mode
Phylloxera, grafting, and rootstock genetics
6 min 06 secN08After Level 3 Lesson 7
Before you press play
Choose your preparation track
You do not need to buy every comparison wine. Choose the track that matches your time, budget, and interest.
- Keep the linked core lesson note beside you.
- No alcohol is required for this science companion.
Taste responsibly: small pours, water, food, and spit cups are sensible equipment. Never build transport plans after the bottles are open.