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
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
