How to Cultivate Sorb Apples
  • 1. What is the scientific name for sorb apple?
A) Pyrus communis
B) Sorbus domestica
C) Malus sylvestris
D) Crataegus monogyna
  • 2. What type of climate does sorb apple prefer?
A) Temperate
B) Tropical
C) Arctic
D) Arid
  • 3. What is the best method for propagating sorb apple?
A) Seed
B) Grafting
C) Cutting
D) Layering
  • 4. What type of soil is best for sorb apple?
A) Clay
B) Peat
C) Well-drained, loamy
D) Sandy
  • 5. At what age does sorb apple typically begin to bear fruit?
A) 5-10 years
B) 1-2 years
C) 20+ years
D) Immediately after planting
  • 6. What is the ideal pH range for sorb apple soil?
A) 6.0-7.0
B) 9.0-10.0
C) 8.0-9.0
D) 4.0-5.0
  • 7. What type of fertilizer is generally recommended for sorb apple?
A) High Nitrogen
B) Balanced NPK
C) High Potassium
D) High Phosphorus
  • 8. How often should sorb apple trees be watered, especially when young?
A) Regularly, during dry periods
B) Never
C) Daily
D) Rarely, only during extreme drought
  • 9. What is the main pest that commonly affects sorb apple trees?
A) Deer
B) Aphids
C) Rabbits
D) Snails
  • 10. What disease is sorb apple susceptible to?
A) Rust
B) Black spot
C) Fire blight
D) Powdery mildew
  • 11. What is the purpose of pruning sorb apple trees?
A) To stunt growth
B) To attract more pests
C) To prevent flowering
D) To improve fruit production and tree shape
  • 12. When is the best time to prune sorb apple trees?
A) Late winter or early spring
B) Summer
C) Any time of year
D) Autumn
  • 13. How far apart should sorb apple trees be planted?
A) 20-30 feet
B) 5-10 feet
C) 50+ feet
D) 1-2 feet
  • 14. What is the typical size of a mature sorb apple tree?
A) 5-10 feet
B) 1-2 feet
C) 30-50 feet
D) 100+ feet
  • 15. What is the color of ripe sorb apples?
A) Yellowish-green to reddish-brown
B) Black
C) Blue
D) Purple
  • 16. How are sorb apples typically consumed?
A) Discarded as inedible
B) Used as animal feed
C) Eaten raw directly from the tree
D) Processed into jams, jellies, or beverages
  • 17. What is a key characteristic of sorb apple fruit compared to regular apples?
A) Tannic and acidic flavor when raw
B) Brighter color
C) Sweeter flavor when raw
D) Larger size
  • 18. What is the role of pollination in sorb apple cultivation?
A) Only required for seed production
B) Essential for fruit set
C) Irrelevant for fruit set
D) Causes deformed fruit
  • 19. What can be done to improve pollination in a sorb apple orchard?
A) Remove all other flowering plants
B) Introduce pollinators like bees
C) Cover the trees with netting
D) Spray with insecticides
  • 20. What is the purpose of mulching around sorb apple trees?
A) To retain moisture and suppress weeds
B) To prevent root growth
C) To attract pests
D) To increase soil acidity
  • 21. How does sorb apple contribute to biodiversity?
A) Provides food and habitat for wildlife
B) Reduces the variety of plant life
C) Has no effect on biodiversity
D) Attracts invasive species
  • 22. What is the best way to store sorb apples after harvest?
A) Cool and dry place
B) Freezing immediately
C) Direct sunlight
D) Warm and humid place
  • 23. What is the approximate chill hour requirement for sorb apple?
A) 1500+ hours
B) 800-1000 hours
C) No chill hours required
D) 100-200 hours
  • 24. Which of the following is NOT a benefit of growing sorb apple?
A) Requires minimal maintenance
B) Attractive ornamental tree
C) Supports local ecosystems
D) Provides unique fruit
  • 25. What is a common use of sorb apple wood?
A) Turnery and carving
B) Paper production
C) Construction lumber
D) Fuelwood
  • 26. Which continent is sorb apple native to?
A) Europe
B) Australia
C) North America
D) Asia
  • 27. What is the meaning of 'domestica' in Sorbus domestica?
A) Small
B) Mountain
C) Cultivated
D) Wild
  • 28. Why might a support stake be needed for a young sorb apple tree?
A) To accelerate growth
B) To prevent flowering
C) To make harvesting easier
D) To protect from wind damage
  • 29. How can you tell if a sorb apple is ready for harvest?
A) Fruit that falls from the tree on its own
B) Slightly softened fruit with easily detachable stem
C) When the leaves start to change color
D) Hard fruit that is firmly attached to the stem
  • 30. What role does sorb apple play historically?
A) Used solely for animal fodder
B) Used exclusively for ornamental purposes
C) Traditional ingredient in fermented beverages
D) Primary food source for early humans
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