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