WSET Level 3 Exam Guide Questions and CORRECT Answers
1 view 0 purchase
Course
WSET Level 3
Institution
WSET Level 3
WSET Level 3 Exam Guide Questions and
CORRECT Answers
4. / Name 2 most important species of vine - Correct Answer- Vitis vinifera - eurasian
American vines
4. / Disadvantage & Advantage of american vines ? - Correct Answer- Unattractive flavour of
the wines
But resistant to phylloxera - use...
WSET Level 3 Exam Guide Questions and
CORRECT Answers
4. / Name 2 most important species of vine - Correct Answer- Vitis vinifera - eurasian
American vines
4. / Disadvantage & Advantage of american vines ? - Correct Answer- Unattractive flavour of
the wines
But resistant to phylloxera - used for rootstocks
4. / What is phylloxera ? - Correct Answer- Vine pest (insect) that attacks vine's root
Native from north america
4. / When was phylloxera introduced in europe ? - Correct Answer- End of 19th century
4. / How phylloxera destroy the vines ? - Correct Answer- Infection enter through the feeding
wounds - vine is weakened and over a few year dies
4 / Places in the world without phylloxera ? - Correct Answer- Yes : chile, some parts of
argentina and south australia.
4. / How to fight phylloxera ? - Correct Answer- - Strict quarantine for non affected areas.
- plant american species or hybrid
- Grafting vitis vinifera onto rootstock of american vines
4. / What are the 2 grafting techniques existing ? - Correct Answer- Bench grafting - in
nurseries
Head grafting - in vineyards
4. / What is the advantage of head grafting ? - Correct Answer- Quickly change an establish
vineyards to a new grape variety taking advanyage of established root syst
,Grape at next vintage / instead of waiting 3 years
Considerably cheaper than replanting
4. / Four sections of vines ? - Correct Answer- Green parts
One year old wood
Permanent wood
Roots
4. / What are the leaves responsible for ? - Correct Answer- Photosynthesis
4. / What is photosynthesis process ? - Correct Answer- Plant use sunlight to convert carbon
dioxide and water into glucose and oxygen
4. / What are vine flowers representing ? - Correct Answer- Vine reproductive organs - both
male and female
4. / What is inflorescences ? - Correct Answer- A bunch of vine flowers that if pollinated will
become the bunch of grape.
4. / What is a buds ? - Correct Answer- An embryonic shoot for the following year forming at
the joint of the leave and the shoot
4. / What are the roots functions ? - Correct Answer- - absorb water
- absorb nutrients
- anchor vine
- store carbohydrates to survive winter
4. / Criteria for selecting a grape variety ? - Correct Answer- Taste
Quality of fruit
Budding time
Ripening time
Resistance to diseases
,4. / Can a variety be grown or propagated through seeds ? - Correct Answer- No
4. / Name 2 techniques to grow or propagate grape variety without loosing unique qualities -
Correct Answer- Cutting
Layering
4. / Out of the 2 techniques used to grow grape variety which one is most common today ? -
Correct Answer- Cutting - due to phylloxera risk
4. / Describe cutting principle - Correct Answer- A section of vine shoot that is planted and
grows as a new plant
Mainly in commercial nurseries
4. / What other term can be used instead of variety for a grape ? - Correct Answer- Cultivar
4 / describe layering principle - Correct Answer- Takes place in vineyard
A cane is bend down and a section of it is buried in the ground, cane tip points upwards,
buried section take roots, once roots established cane linking is cut
4. / What is clonal selection ? - Correct Answer- Selection of vine that show a particular set of
unique characteristics following mutations
4. / One famous example of clones that generated new grape variety ? - Correct Answer-
Pinot blanc and pinot gris are both mutations ( and therefore clones) of pinot noir
4. / How are new vine varieties created ? - Correct Answer- 1. Waiting for a random mutation
to occur
2. Cross fertilisation
4. / Describe principles of creating a new varieties by cross fertilisation - Correct Answer- -
pollen from male part of flowers transferred to female part of the flower of another vine =
fertilisation
- pollinated flower develops into a grape with seeds
, - seeds are planted and grows
4. / What are the 2 main approach in creating a new variety ? - Correct Answer- Cross
pollination :
Crossing - 2 parents from same species ( vitis vinifera mainly)
Hybrids - 2 parents from different species
4. / 2 famous examples of crossings ? - Correct Answer- Muller thurgau = riesling x
madeleine royale
Pinotage = pinot noir x cinsault
4. / Why are hybrids and american vine crossing important ? - Correct Answer- Used as
rootstock
4. / Is muller thurgau the result of hybrid, crossing or clonal selection ? - Correct Answer-
Crossing ( between 2 vitis vinifera)
4. / Is pinot blanc the result of hybrid, crossing or clonal selection ? - Correct Answer- Clonal
selection - mutation from pinot noir.
Same for pinot gris.
4. / How many buds are kept on a cane ? - Correct Answer- 20
4. / How many buds are kept on a spur ? - Correct Answer- 2 to 3
5. / What is a fruit set ? - Correct Answer- The vine flowers and small grapes form
5. / When does the grape start to ripen ? - Correct Answer- Late summer or early autumn
5. / What is the first sign of the ripening process ? What is the name of this process ? -
Correct Answer- Change of colour in the grape
Veraison
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller MGRADES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.49. You're not tied to anything after your purchase.
