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How to Identify and Classify Kiwifruits
Contributed by: Woolley
  • 1. What is the primary genus of kiwifruit?
A) Actinidia
B) Fragaria
C) Citrus
D) Malus
  • 2. Which species is the most commercially grown kiwifruit?
A) Actinidia chinensis
B) Actinidia deliciosa
C) Actinidia arguta
D) Actinidia kolomikta
  • 3. What is a key characteristic of 'Hayward' kiwifruit?
A) Fuzzy brown skin
B) Smooth green skin
C) Red flesh
D) Small size
  • 4. Which kiwifruit species is known as 'kiwi berry'?
A) Actinidia deliciosa
B) Actinidia chinensis
C) Actinidia eriantha
D) Actinidia arguta
  • 5. What is the typical flesh color of 'Hayward' kiwifruit?
A) Red
B) White
C) Gold
D) Green
  • 6. Which species typically has golden flesh?
A) Actinidia chinensis
B) Actinidia kolomikta
C) Actinidia deliciosa
D) Actinidia arguta
  • 7. What is the approximate size of a 'kiwi berry'?
A) Egg-sized
B) Lemon-sized
C) Grape-sized
D) Orange-sized
  • 8. Which species is known for its ornamental pink and white foliage?
A) Actinidia deliciosa
B) Actinidia arguta
C) Actinidia kolomikta
D) Actinidia chinensis
  • 9. What is the primary method of kiwifruit propagation?
A) Grafting
B) Division
C) Layering
D) Direct seeding
  • 10. Kiwifruit are dioecious. What does this mean?
A) Separate male and female plants
B) Self-pollinating
C) Hermaphroditic flowers
D) Grows only in tropical climates
  • 11. What is a key indicator of kiwifruit ripeness?
A) Slight give to pressure
B) Attached stem
C) Bright green color
D) Completely hard fruit
  • 12. Which of these is NOT a factor in classifying kiwifruit?
A) Soil pH
B) Fruit size
C) Flesh color
D) Skin texture
  • 13. What is a common pest affecting kiwifruit?
A) Aphids
B) Scale insects
C) Ladybugs
D) Grasshoppers
  • 14. Which climate is most suitable for growing Actinidia deliciosa?
A) Polar
B) Temperate
C) Tropical
D) Arid
  • 15. Which type of kiwifruit can often be eaten whole (skin and all)?
A) Hayward (Actinidia deliciosa)
B) Golden kiwifruit (Actinidia chinensis)
C) Actinidia eriantha
D) Kiwi berry (Actinidia arguta)
  • 16. What is the typical shape of 'Hayward' kiwifruit?
A) Elongated
B) Pear-shaped
C) Round
D) Oval
  • 17. What visual characteristic distinguishes 'Gold' kiwifruit from 'Green' kiwifruit?
A) Shape
B) Skin texture
C) Flesh color
D) Size
  • 18. Why is proper pollination crucial for kiwifruit production?
A) Leaf growth
B) Root development
C) Disease resistance
D) Fruit set and size
  • 19. What do you call the vine or plant structure on which kiwifruit grows?
A) Bush
B) Arbor
C) Shrub
D) Tree
  • 20. Which continent did Kiwifruit originate from?
A) Europe
B) Asia
C) Africa
D) South America
  • 21. What is the main difference between a kiwifruit 'selection' and a 'cultivar'?
A) Selections are only found in the wild
B) Selections are always superior to cultivars
C) Cultivars are always male plants
D) Cultivars are bred and propagated consistently
  • 22. Which of the following describes the leaf shape of most kiwifruit vines?
A) Lanceolate (spear-shaped)
B) Palmate (hand-shaped)
C) Cordate (heart-shaped)
D) Elliptical (oval-shaped)
  • 23. What is the role of hydrogen cyanamide in kiwifruit cultivation?
A) Preventing fungal diseases
B) Enhancing fruit color
C) Breaking dormancy
D) Increasing vine growth
  • 24. How does fruit size typically change as you move along a kiwifruit cane from base to tip?
A) Becomes erratic
B) Stays the same
C) Increases
D) Decreases
  • 25. What is a major post-harvest consideration for kiwifruit to maintain quality?
A) Freezing temperature
B) Ethylene sensitivity
C) Light exposure
D) High humidity
  • 26. What is the approximate number of days from flowering to harvest for 'Hayward' kiwifruit?
A) 60-80 days
B) 220-240 days
C) 150-170 days
D) 100-120 days
  • 27. What is the Brix level a measure of?
A) Sugar content
B) Firmness
C) Acidity
D) Vitamin C content
  • 28. What can be used as an indicator of ripeness in red kiwifruit varieties?
A) The size of the fruit
B) Softening of the skin
C) Scent of the fruit
D) Deepening red hue of the flesh
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