WSET DIPLOMA D1 2026 COMPLETE REVISION GUIDE WITH WINE PRODUCTION, MARKETS, AND DISTRIBUTION CONCEPTS

WSET DIPLOMA D1 2026 COMPLETE REVISION
GUIDE WITH WINE PRODUCTION, MARKETS,
AND DISTRIBUTION CONCEPTS

◉ Majority of global grape varieties belong to what species.
Answer: Vitis Vinifera


◉ Vitis Vinifera is indigenous to where.
Answer: Eurasia


◉ What grape varietal species is indigenous to Eurasia.
Answer: Vitis Vinifera


◉ Where are North American grape species used for production?.
Answer: New York state


◉ What is the main function of N. American grape species globally?.
Answer: Rootstocks for grafting vitis vinifera onto


◉ What are the most important N. American grape species (4)?.
Answer: Vitis Labrusca

,Vitis Riparia
Vitis Berlandieri
Vitis Rupestris


◉ Anatomy of the Vine (4).
Answer: Main shoots
One-year-old wood
Permanent wood
Roots


◉ What are the major structures of the main shoots.
Answer: Stem
bud
leaves
lateral shoots
tendrils
Inflorescences / grape bunches


◉ What does the canopy refer to?.
Answer: Main shoots and their major structures


◉ Where do main shoots grow from?.

, Answer: Buds retain from prior year


◉ What does the stem do for its structures (3)?.
Answer: Structure components attach to
Transports water and solutes to/from structures
Store of carbohydrates


◉ What are in the solutes in stems?.
Answer: Sugars and minerals


◉ What are nodes on a stem?.
Answer: Swellings where structures are attached


◉ What are internodes?.
Answer: Length of stem between nodes


◉ What does lignify mean?.
Answer: Green shoots become woody, rigid, and turn brown


◉ What is a cane?.
Answer: A lignified shoot