Optional Nerd Mode
Phylloxera, grafting, and rootstock genetics
Trace the pest's history, the grafting response, rootstock trade-offs, and exceptional old-vine survival.
6 min 06 secN08After Level 3 Lesson 7
Lesson map
Choose where to begin
Each part of this lesson has its own page. Start with preparation, go directly to the background material, or return for the quiz after watching.
The line worth keepingResistant roots solved a biological crisis; sand and isolation preserved particular places through different mechanisms.