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