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How to Identify and Classify Blueberries
Contributed by: Woolley
  • 1. What is the most common color of ripe blueberries?
A) Green
B) Yellow
C) Deep blue with a whitish bloom
D) Bright red
  • 2. What is the powdery coating on blueberries called?
A) Glaze
B) Dust
C) Bloom
D) Wax
  • 3. Which blueberry type is generally larger in size?
A) All are the same size
B) Rabbiteye
C) Lowbush
D) Highbush
  • 4. Lowbush blueberries are primarily found in which regions?
A) South America
B) Southern Europe
C) Northern North America
D) Australia
  • 5. Highbush blueberries typically grow to what height?
A) 1-2 feet
B) 20-30 feet
C) Less than 6 inches
D) 6-12 feet
  • 6. What is a key characteristic of Rabbiteye blueberries?
A) Grows best in wet environments
B) Highly susceptible to frost
C) Tolerant of heat and drought
D) Requires very acidic soil
  • 7. What is the shape of a typical blueberry leaf?
A) Circular
B) Square
C) Triangular
D) Elliptical
  • 8. Which season are blueberries typically harvested in?
A) Spring
B) Summer
C) Winter
D) Autumn
  • 9. What is the taste of a ripe blueberry typically described as?
A) Completely flavorless
B) Very sour
C) Sweet and slightly tart
D) Extremely bitter
  • 10. What is the scientific genus of blueberries?
A) Vaccinium
B) Fragaria
C) Malus
D) Rubus
  • 11. What is the best way to determine ripeness by sight?
A) Slightly green color
B) Bright red color
C) Uniform deep blue color
D) Pale white color
  • 12. Which blueberry type needs the most chill hours?
A) Southern Highbush
B) Northern Highbush
C) Lowbush
D) Rabbiteye
  • 13. What soil pH level is ideal for blueberry growth?
A) 6.5 to 7.5
B) 7.5 to 8.5
C) 4.5 to 5.5
D) 5.5 to 6.5
  • 14. Which feature helps distinguish blueberry varieties?
A) Leaf shape and venation
B) Sunlight exposure
C) Planting depth
D) Soil acidity level
  • 15. What is the fruit structure of a blueberry?
A) Aggregate fruit
B) Drupe
C) Pome
D) Berry
  • 16. How do blueberry flowers typically appear?
A) Star-shaped
B) Daisy-like
C) Cone-shaped
D) Bell-shaped
  • 17. What is the common use for blueberries?
A) Industrial solvent
B) Animal feed
C) Road construction
D) Fresh eating and baking
  • 18. What is an important consideration for blueberry pollination?
A) Wind direction
B) Soil temperature
C) Cloud cover
D) Bee activity
  • 19. What root system do blueberries possess?
A) Adventitious
B) Fibrous
C) Tuberous
D) Taproot
  • 20. What type of pruning is beneficial for blueberries?
A) Completely removing all branches
B) Heavy shearing
C) No pruning required
D) Selective pruning of old wood
  • 21. Which factor determines blueberry sweetness?
A) Bloom thickness
B) Sugar content
C) Leaf texture
D) Acidity levels
  • 22. What kind of fertilizer is suitable for blueberries?
A) Neutral fertilizer
B) Alkaline fertilizer
C) Acid-forming fertilizer
D) Any fertilizer
  • 23. What pest is commonly associated with blueberry plants?
A) Whiteflies
B) Blueberry maggot
C) Aphids
D) Spider mites
  • 24. Which disease affects blueberries?
A) Black spot
B) Leaf rust
C) Powdery mildew
D) Mummy berry
  • 25. What can be used to acidify the soil for blueberries?
A) Sulfur
B) Baking soda
C) Wood ash
D) Lime
  • 26. What is the purpose of netting blueberry bushes?
A) Protect from birds
B) Increase humidity
C) Warm the soil
D) Prevent fungal diseases
  • 27. How does pruning help improve blueberry yield?
A) Decreases the size of the bush
B) Promotes new growth
C) Thickens the stems
D) Reduces sun exposure
  • 28. What happens if blueberries lack sufficient chill hours?
A) Increased leaf growth
B) Reduced fruit set
C) Deeper blue color
D) More vigorous roots
  • 29. Which environment promotes better flavor development in blueberries?
A) Full sun
B) Dry air
C) Deep shade
D) High humidity
  • 30. What causes uneven ripening in blueberries?
A) Over-watering
B) Variable sunlight exposure
C) Lack of nitrogen
D) Consistent pruning
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