Level 3 · Lesson 7
Pests, disease, and phylloxera
5 min 22 secC23After Level 3 Lessons 1–6
Required before tasting
Learn the wine, grape & idea
Meet the wine and grape, learn the governing idea and vocabulary, then read where the model stops. Complete these chapters before opening the video lesson.
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Start here: identify the threat before the response
Build the basic mechanism before drawing conclusions.
2 sectionsRead chapter →Worked example: survival does not have one explanation
Apply the mechanism to a concrete comparison.
2 sectionsRead chapter →Check your understanding: Does grafting Cabernet onto resistant roots change it into the rootstock grape?
Explain your answer, then check the reasoning.
1 sectionsRead chapter →The line worth keepingTrade spread the pest; resistant roots and collective practice rebuilt vineyards, while sand or isolation protected a few old-vine sites.